TV Transmitter DBTV - DBTU Series
TV Transmitters DBT Series is the latest evolution of the digital TV transmitters fully compatible with all digital TV international standards: DVB-T/H, DVB-T2, ISDB T/Tb, ATSC, DTMB and suitable for SFN (Single Frequency Network) and MFN (Multi Frequency Network) applications in VHF and, Transmitter: DBTV and UHF band, Transmitter: DBTU. TV Transmitters DBT Series is fully broadband.
Available also in Dual Cast configuration with analog TV modulation included.
HI-ADCTM technology
TV Transmitters DBT Series is realized with the new HI-ADC technology.
Using latest generation LDMOS RF devices with ultra-linear characteristics, higher performances have been obtained for digital television:
Higher modulation quality.
Higher RMS output power in digital operations compared to previous technologies.
Extremely low heating due to increased efficiency.
High safety devices from load mismatch.
TV Transmitters DBT Series High efficiency "Doherty" amplification
TV transmitter DBT Series can be equipped with high efficiency Doherty amplification, option DHT option, to increase overall efficiency over 40%.
High Quality Digital Performances
Shoulder attenuation > 38 dB.
M.E.R. > 35 dB.
Output frequency response ± 0.5 dB.
Control logic unit
A powerful control logic unit allows a complete control of the transmitter through front panel LCD display. In case of remote control option, a complete control through WEB (including Web Server) and/or SNMP is available.
Measures and alarm indications on front panel
User friendly interface with LCD display and pushbuttons for an easy setup of all parameters:
Forward and reflected power.
Supply voltage and absorbed current of each single pallet.
Internal heat-sink temperature.
Alarm indication for VSWR, over-temperature, overdrive.
Trimmers available from the front panel to adjust the threshold of:
Overdrive protection.
VSWR protection.
Complete remote control system
TV transmitter DBT Series has an extremely complete Web server, SNMP, GSM or SMS remote control system, available as option.
Air cooling
TV Transmitters DBT Series oversized air cooling system widely extends transistor life.
The amplifier modules are equipped with external redundant fans to allow easy and fast cleaning, or eventual replacement, without opening or removing any module and without interrupting the transmitter operation.
Liquid Cooling
An oversize heat exchanger, single or double*, suitable for outdoor or indoor installation, and equipped with single or double* pump system for maximum redundancy, is the main component of the powerful liquid cooling system.
FM Transmitter PFG Series liquid cooling system assures high reliability, cooling efficiency and easy installation, thanks to the special design of liquid cooled heat-sinks inside the amplifier and low pressure liquid distribution. This system is designed to successfully face every hard climate condition.
Meets or exceeds all international standards for safety and electrical specifications.
TV Transmitters VHF MTV Series
The MTV Series is the high quality Analog TV transmitters line in VHF band. These transmitters are designed to assure extremely high performances in analog transmission and also in digital modulation (DVB-T/T2, DVB-H, ATSC, ISDB-T/Tb, DTMB, etc…). All MTV Series transmitters can be easily upgraded for Digital transmission and/or for Dual-Cast transmission where both Analog & Digital modulations are available. This high-linearity design reduces cost of later
upgrade to digital while providing the best analog modulation quality.
HI-ADCTM technology
The MTV Series are realized with the new HI-ADC™ technology. Using latest generation LDMOS RF devices with ultra-linear characteristics, higher performances have been obtained for analog and digital television:
Higher modulation quality.
Higher RMS output power in digital operations compared to previous technologies.
Extremely low heating due to increased efficiency.
High ruggedness devices resisting to very high load mismatches (65:1).
Digital ready
The MTV Series transmitters are perfectly suitable to be used for all standard digital modulations thanks to the high linearity and performances RF design.
Frequency-agile
MTV Series transmitters are fully broadband. All RF stages ahead of the output filters can operate on any VHF channel with instantaneous settings.
Modular assembly
Easy removable interchangeable power amplifier modules and power supplies simplify the maintenance, reducing spare requirement and service costs.
Control logic unit
A powerful control logic unit allows a complete control of the transmitter through front panel LCD display. Additionally a complete remote control system through WEB (including Web Server) and/or SNMP is available as option.
Measures and Alarms Control System
User friendly interface with LCD display and pushbuttons for easy check and setup of all main parameters is present on the transmitter front. Some available measures and alarms are as follow:
Forward and reflected power.
Supply voltage and current of each RF amplifier module.
Internal heat-sink temperature.
Alarm indication for VSWR, over-temperature, overdrive.
High redundancy configurations
High on-air reliability is assured by using multiple power amplifier modules, each one with multiple internal PA's, with independent power supplies and optional dual-driver configurations.
Air cooling
The MTV Series oversized air cooling system widely extends transistor life. The amplifier modules are equipped with externally mounted redundant fans to allow easy and fast cleaning, or eventual replacement, without opening or removing any module and without interrupting the transmitter operation.
Liquid Cooling
An oversize heat exchanger, single or double (optional), suitable for outdoor or indoor installation, and equipped with single or double (optional) pump system for maximum redundancy, is the main component of the powerful liquid cooling system. DB liquid cooling system assures high reliability, cooling efficiency and easy installation, thanks to the special design of liquid cooled heat-sinks inside the amplifier and low pressure liquid distribution. This system is designed to successfully face every hard climate condition.
Advantages of MTV liquid cooling
Substantial advantages of our liquid cooling technology compared to air cooling are:
- Properly working even with hard climate conditions.
- Dramatically reduction of air conditioning needing.
- Correct functioning in dusty environment even with high humidity or salinity.
- Very low acoustic noise.
- Low heat radiation into the environment.
- Longer life for transistors and active elements due to colder continuous operation.
Reduced maintenance
Easy accessibility of all parts, externally serviceable cooling air filters, very high MTBF for RF and power supply modules, are only some of the characteristics that explain the very high reduction of maintenance costs obtained.
High Efficiency Power Supply
The High Efficiency Switch-Mode Power Supply with Power Factor Control meets all the international requirements for mains network disturbances.
Surge and Lightning Protections (optional)
Surge and lightning protections for the transmitters are available as option to improve the durability of the equipment. Moreover, an isolation transformer can be optionally installed to increase the protection of the unit from overvoltage or spikes coming from the mains distribution.
AAD Technology
Prevents corrosion from air moisture and increases reliability.
Mechanical components are made in stainless steel or anticorodal aluminum.
Air is properly ducted to avoid contact with electronic parts.
All electronic boards and cablings are tropicalized with a special resin to strongly protect all circuits against salty and/or corrosive air.
Meets or exceeds all international standards for safety and electrical specifications.
AMPLIFIER MODEL (WPS) | DIGITAL OUTPUT POWER DVB-T / DVB-T2 / ISDB / ISDB-Tb / T-DMB (Wrms)* | DIGITAL OUTPUT POWER ATSC (Wrms)* | OUTPUT CONNECTOR | COOLING SYSTEM |
MTV 50 (50) | 16 | 20 | N | Air |
MTV 100 (100) | 30 | 40 | N | Air |
MTV 200 (200) | 60 | 80 | N | Air |
MTV 350 (350) | 110 | 130 | N | Air |
MTV 500 (500) | 200 | 250 | N | Air |
MTV 700 (700) | 250 | 350 | N | Air |
MTV 1000 (1000) | 350 | 500 | DIN 7/16 | Air |
MTV 1400 (1400) | 500 | 700 | DIN 7/16 | Air |
MTV 2000 (2000) | 700 | 1000 | EIA 7/8" | Air or Liquid |
MTV 3000 (3000) | 1000 | 1500 | EIA 7/8" | Air or Liquid |
MTV 5500 (5500) | 1400 | 2000 | EIA 1+5/8" | Air or Liquid |
MTV 10000 (10000) | 2500 | 3500 | EIA 1+5/8" | Air or Liquid |
MTV 20000 (20000) | 5000 | 7000 | EIA 3+1/8" | Air or Liquid |
MTV 30000 (30000) | 7500 | 10000 | EIA 3+1/8" | Air or Liquid |
MTV 40000 (40000) | 10000 | 14000 | EIA 4+1/2" | Air or Liquid |
TECHNICAL SPECIFICATIONS | |
Operating frequency range | VHF Band I (45-90 MHz) VHF Band III (170-230 MHz) |
TV Standards | B, D, I, K1, L, M, N |
In/out impedance | 50 Ω |
Spurious and harmonic emissions (ref. to carrier) | ≤ - 60 dBc |
Power stability | < 1% |
Intermodulation (IMD-DIN 45004 -8, -16, -10 dB) | < -60 dBc (typ. - 62 dBc) |
VIDEO PARAMETERS IN ANALOG MODE | |
Input connector | BNC, 75 Ω |
Video input level | 1Vpp ± 6dB adjustable |
DC restoration circuit | at black porch |
Differential gain at nominal power | < 4% |
Differential phase at nominal power | < ± 2° |
2TK factor | < 1,5% |
Group delay PV 0.75/5 MHz | < ± 30ns (within the video band) |
In-band intermodulation (ref. to nominal power with 3 tones method Vc 5dB; Sc 10dB; Cc 17dB) | < -60dB |
Off-band spurious radiation | < -60dB |
S/N ratio (weighted) | > 60dB |
External reference frequency input | 5 or 10MHz |
AUDIO PARAMETERS IN ANALOG MODE | |
Input connector | XLR |
Input impedance | 600 Ω balanced |
Input level | 6dBm ± 6dB (for ± 50kHz frequency deviation) |
Pre-emphasis | 50 / 75 µs |
S/N ratio | > 65 dB |
AC POWER REQUIREMENTS | |
AC supply voltage | 115 / 230 VAC ± 15%, single-phase or 230/380 VAC ± 15%, three-phases |
AC supply frequency | 50 Hz or 60 Hz, ±5% |
Power factor | > 0.9 |
ENVIRONMENT | |
Cooling Forced | Forced air with built-in axial fans / Liquid cooling (optional) |
Service | Continuous 24/24h |
Operating temperature | -5°C to +45°C Derate 3°C per 500 m above 2000 mt asl |
Relative humidity | Up to 95% |
Analog UHF TV transmitters
The MD Series is the high quality Analog TV transmitters line of DB Elettronica. These transmitters are designed to assure extremely high performances in analog transmission and also in digital modulation (DVB-T/T2, DVB-H, ATSC, ISDB-T/Tb, DTMB, etc…). All MD Series transmitters can be easily upgraded for Digital transmission and/or for Dual-Cast transmission where both Analog & Digital modulations are available. This high-linearity design reduces cost of later upgrade to digital while providing the best analog modulation quality.
HI-ADCTM technology
The MD Series are realized with the new HI-ADC™ technology. Using latest generation LDMOS RF devices with ultra-linear characteristics, higher performances have been obtained for analog and digital television:
Higher modulation quality.
Higher RMS output power in digital operations compared to previous technologies.
Extremely low heating due to increased efficiency.
High ruggedness devices resisting to very high load mismatches (65:1).
Digital ready
The MD Series transmitters are perfectly suitable to be used for all standard digital modulations thanks to the high linearity and performances RF design.
Frequency-agile
MD Series transmitters are fully broadband. All RF stages ahead of the output filters can operate on any UHF channel with instantaneous settings.
Modular assembly
Easy removable interchangeable power amplifier modules and power supplies simplify the maintenance, reducing spare requirement and service costs.
Control logic unit
A powerful control logic unit allows a complete control of the transmitter through front panel LCD display. Additionally a complete remote control system through WEB (including Web Server) and/or SNMP is available as option.
Measures and Alarms Control System
User friendly interface with LCD display and pushbuttons for easy check and setup of all main parameters is present on the transmitter front. Some available measures and alarms are as follow:
Forward and reflected power.
Supply voltage and current of each RF amplifier module.
Internal heat-sink temperature.
Alarm indication for VSWR, over-temperature, overdrive.
High redundancy configurations
High on-air reliability is assured by using multiple power amplifier modules, each one with multiple internal PA's, with independent power supplies and optional dual-driver configurations.
Air cooling
The MD Series oversized air cooling system widely extends transistor life. The amplifier modules are equipped with externally mounted redundant fans to allow easy and fast cleaning, or eventual replacement, without opening or removing any module and without interrupting the transmitter operation.
Liquid Cooling
An oversize heat exchanger, single or double (optional), suitable for outdoor or indoor installation, and equipped with single or double (optional) pump system for maximum redundancy, is the main component of the powerful liquid cooling system. DB liquid cooling system assures high reliability, cooling efficiency and easy installation, thanks to the special design of liquid cooled heat-sinks inside the amplifier and low pressure liquid distribution. This system is designed to successfully face every hard climate condition.
Advantages of MD liquid cooling
Substantial advantages of our liquid cooling technology compared to air cooling are:
- Properly working even with hard climate conditions.
- Dramatically reduction of air conditioning needing.
- Correct functioning in dusty environment even with high humidity or salinity.
- Very low acoustic noise.
- Low heat radiation into the environment.
- Longer life for transistors and active elements due to colder continuous operation.
Reduced maintenance
Easy accessibility of all parts, externally serviceable cooling air filters, very high MTBF for RF and power supply modules, are only some of the characteristics that explain the very high reduction of maintenance costs obtained.
High Efficiency Power Supply
The High Efficiency Switch-Mode Power Supply with Power Factor Control meets all the international requirements for mains network disturbances.
Surge and Lightning Protections (optional)
Surge and lightning protections for the transmitters are available as option to improve the durability of the equipment. Moreover, an isolation transformer can be optionally installed to increase the protection of the unit from overvoltage or spikes coming from the mains distribution.
AAD Technology
Prevents corrosion from air moisture and increases reliability.
- Mechanical components are made in stainless steel or anticorodal aluminum.
- Air is properly ducted to avoid contact with electronic parts.
- All electronic boards and cablings are tropicalized with a special resin to strongly protect all circuits against salty and/or corrosive air.
Meets or exceeds all international standards for safety and electrical specifications.
AMPLIFIER MODEL (WPS) | DIGITAL OUTPUT POWER DVB-T / DVB-T2 / ISDB / ISDB-Tb / T-DMB (Wrms)* | DIGITAL OUTPUT POWER (Wrms)* | OUTPUT CONNECTOR | COOLING SYSTEM |
MD 50 (50) | 16 | 20 | N | Air |
MD 100 (100) | 30 | 40 | N | Air |
MD 200 (200) | 60 | 80 | N | Air |
MD 350 (350) | 110 | 130 | N | Air |
MD 500 (500) | 200 | 250 | N | Air |
MD 700 (700) | 250 | 350 | N | Air |
MD 1000 (1000) | 350 | 500 | DIN 7/16 | Air |
MD 1400 (1400) | 500 | 750 | DIN 7/16 | Air |
MD 2000 (2000) | 700 | 1000 | EIA 7/8" | Air or Liquid |
MD 3000 (3000) | 1000 | 1500 | EIA 7/8" | Air or Liquid |
MD 5500 (5500) | 1400 | 2000 | EIA 1+5/8 | Air or Liquid |
MD 10000 (10000) | 2500 | 3500 | EIA 1+5/8" | Air or Liquid |
MD 20000 (20000) | 5000 | 7000 | EIA 3+1/8" | Air or Liquid |
MD 30000 (30000) | 7500 | 10000 | EIA 3+1/8" | Air or Liquid |
MD 40000 (40000) | 10000 | 14000 | EIA 4+1/2" | Air or Liquid |
TECNICAL SPECIFICATIONS | |
Operating frequency range | UHF Band IV & V (470-860MHz) |
TV Standards | B, G, D, K, M, N, I |
In/out impedance | 50 Ω |
Spurious and harmonic emissions (ref. to carrier) | ≤ - 60 dBc |
Power stability | < 1% |
Intermodulation (IMD-DIN 45004 -8, -16, -10 dB) | < -60 dBc (typ. - 62 dBc) |
VIDEO PARAMETERS IN ANALOG MODE | |
Input connector | BNC, 75 Ω |
Video input level | 1Vpp ± 6dB adjustable |
DC restoration circuit | at black porch |
Differential gain at nominal power | < 4% |
Differential phase at nominal power | < ± 2° |
2TK factor | < 1,5% |
Group delay PV 0.75/5 MHz | < ± 30ns (within the video band) |
In-band intermodulation (ref. to nominal power with 3 tones method Vc 5dB; Sc 10dB; Cc 17dB) | < -60dB |
Off-band spurious radiation | < -60dB |
S/N ratio (weighted) | > 60dB |
External reference frequency input | 5 or 10MHz |
AUDIO PARAMETERS IN ANALOG MODE | |
Input connector | XLR |
Input impedance | 600 Ω balanced |
Input level | 6dBm ± 6dB (for ± 50kHz frequency deviation) |
Pre-emphasis | 50 / 75 µs |
S/N ratio | > 65 dB |
AC POWER REQUIREMENTS | |
AC supply voltage | 115 / 230 VAC ± 15%, single-phase or 230/380 VAC ± 15%, three-phases |
AC supply frequency | 50 Hz or 60 Hz, ±5% |
Power factor | > 0.9 |
ENVIRONMENT | |
Cooling Forced | Forced air with built-in axial fans / Liquid cooling (optional) |
Service | Continuous 24/24h |
Operating temperature | -5°C to +45°C Derate 3°C per 500 m above 2000 mt asl |
Relative humidity | Up to 95% |
CTX TV Exciters
The CTX Analog TV Multistandard Exciter has top class performances in Analog TV modulation to be perfectly used as a stand alone low power compact transmitter or as an exciter for higher power analog TV transmitters.
Graphic LCD Control
All CTX exciters are equipped with a powerful Graphic LCD Control system. Front panel instant frequency programmability, RF power settings, audio settings, deviation controls, alarms status are only some of the main facilities available in the graphic display.
5-10-20 Wps
The CTX exciters are available with 5-10-20 Wps maximum output power. The output RF level is continuously adjustable from 0 to full nominal power simply using the LCD front control panel.
High frequency stability
High frequency stability in short and long terms is assured by Digital Phase Locked Loop circuits with extremely low drift oscillators.
Precision Offset
Precision offset facility down to 1 Hz in the CTX exciter using the DDS technology is available as option. Offset setting available from front panel LCD graphic display.
Ultra High Performance Precorrector
Ultra High Performance Precorrector with quadrature (I/Q) corrections and 12 specific non-linearity adjustments to easily optimize intermodulations and proper sync level. White-Gray-Black-Sync. very high performances precorrection to be able to get perfect modulation also with class AB non linear high power amplifiers.
Dual-Cast Ready and Digital Ready
The CTX exciter is suitable to work in dual cast systems thanks to its internal ADC switching system with possibility to integrate external digital modulation units with direct front panel management.
Electronic protections
The CTX exciters are automatically protected in case of load mismatching (VSWR) or transmitting frequency error (Unlocked oscillator) or over temperature. Every alarm event is displayed by front panel ALARM led for immediate indication: more details on the occurred alarm are available in the LCD graphic front panel display or remotely (Remote Control option).
Output band pass filter (optional)
When CTX exciters are used as stand alone TV transmitters an highly selective output channel filter is needed. It assures a pure RF spectrum, according to the all international standards and requirements.This filter is available as option.
Power supply
High efficiency switching mode power supply gives greater reliability and reduces the power consumption.
TECNICAL SPECIFICATIONS | |
Operating frequency range | VHF Band I (40-90MHz) VHF Band III (174-240MHz) UHF Band IV & V (470-860MHz) |
TV Standards | B, G, D, K, M, N, I |
Frequency setting | 1 Hz step |
VIDEO PARAMETERS | |
Input connectors | BNC, 75 Ω |
Input return loss | > 35dB (0,25 ÷ 6MHz) |
Video input level | 1Vpp ± 6dB adjustable |
DC restoration circuit | at black porch |
Amplitude / frequency response | ± 0,5dB (within the video band) |
Differential gain at nominal power | < 4% |
Differential phase at nominal power | < ± 2° |
2TK factor | < 1,5% |
Group delay PV 0.75/5 MHz | < ± 30ns (within the video band) |
Sync pulse compression at nominal power | < 3% |
In-band intermodulation (ref. to nominal power with 3 tones method Vc 5dB; Sc 10dB; Cc 17dB) | < -60dB |
Off-band spurious radiation | < -60dB |
S/N ratio (weighted) | > 60dB |
External reference frequency input | 5 or 10MHz |
Local oscillator stability (0 50 °C) | < 2.5 ppm/year |
(with optional high stability) | < 0.5 ppm/year |
L.O. frequency resolution | 50kHz steps (standard version) 1Hz steps (with DDS precision offset option) |
AUDIO PARAMETERS | |
Input connector | XLR |
Input impedance | 600 Ω balanced |
Input level | 6dBm ± 6dB (for ± 50kHz frequency deviation) |
Modulation | FM (F3) with maximum deviation ±50kHz |
Pre-emphasis | 50 / 75 µs |
Amplitude / frequency response | ± 0,5dB (30Hz ± 15kHz ) |
Harmonic distortion | < 0,1% (30Hz ÷ 15kHz by ± 50kHz deviation) |
Intermodulation | D2< 0,3%, D3 < 0,5% between 15kHz and 100kHz at ± 50kHz total deviation |
S/N ratio | > 65 dB |
Separation between channels | > 75 dB |
Common mode rejection ratio of audio inputs (balanced mode) | > 56 dB |
AC POWER REQUIREMENTS | |
AC supply voltage | 115 / 230 VAC ± 15%, single-phase |
AC supply frequency | 50 Hz or 60 Hz, ±5% |
Power factor | > 0.9 |
ENVIRONMENT | |
Cooling Forced | air |
Service | Continuous 24/24h |
Operating temperature | -5°C to +45°C Derate 3°C per 500 m above 2000 mt asl |
Relative humidity | Up to 95% |
Analog TV Amplifiers KBV
VHF Analog TV amplifiers KBV Series is the high quality line. These amplifiers are designed to assure extremely high performances in analog transmission and also in digital modulation (DVB-T/T2, DVB-H, ATSC, ISDB-T/Tb, DTMB, etc…).
HI-ADCTM technology
The KBV Series are realized with the new HI-ADC™ technology. Using latest generation LDMOS RF devices with ultra-linear characteristics, higher performances have been obtained for analog and digital television:
Higher modulation quality.
Higher RMS output power in digital operations compared to previous technologies.
Extremely low heating due to increased efficiency.
High ruggedness devices resisting to very high load mismatches (65:1).
Digital ready
The KBV Series amplifiers are perfectly suitable to be used for all standard digital modulations thanks to the high linearity and performances RF design.
Modular assembly
Easy removable interchangeable power amplifier modules and power supplies simplify the maintenance, reducing spare requirement and service costs.
Measures and Alarms Control System
User friendly interface with LCD display and pushbuttons for easy check and setup of all main parameters is present on the transmitter front. Some available measures and alarms are as follow:
Forward and reflected power.
Supply voltage and current of each RF amplifier module.
Internal heat-sink temperature.
Alarm indication for VSWR, over-temperature, overdrive.
High redundancy configurations
High on-air reliability is assured by using multiple power amplifier modules, each one with multiple internal PA's, with independent power supplies and optional dual-driver configurations.
Air cooling
The KBI/KBV Series oversized air cooling system widely extends transistor life. The amplifier modules are equipped with externally mounted redundant fans to allow easy and fast cleaning, or eventual replacement, without opening or removing any module and without interrupting the transmitter operation.
Liquid Cooling
An oversize heat exchanger, single or double (optional), suitable for outdoor or indoor installation, and equipped with single or double (optional) pump system for maximum redundancy, is the main component of the powerful liquid cooling system. DB liquid cooling system assures high reliability, cooling efficiency and easy installation, thanks to the special design of liquid cooled heat-sinks inside the amplifier and low pressure liquid distribution. This system is designed to successfully face every hard climate condition.
Advantages of KBV liquid cooling
Substantial advantages of our liquid cooling technology compared to air cooling are:
Properly working even with hard climate conditions.
Dramatically reduction of air conditioning needing.
Correct functioning in dusty environment even with high humidity or salinity.
Very low acoustic noise.
Low heat radiation into the environment.
Longer life for transistors and active elements due to colder continuous operation.
Reduced maintenance
Easy accessibility of all parts, externally serviceable cooling air filters, very high MTBF for RF and power supply modules, are only some of the characteristics that explain the very high reduction of maintenance costs obtained.
High Efficiency Power Supply
The High Efficiency Switch-Mode Power Supply with Power Factor Control meets all the international requirements for mains network disturbances.
Surge and Lightning Protections (optional)
Surge and lightning protections for the amplifiers are available as option to improve the durability of the equipment. Moreover, an isolation transformer can be optionally installed to increase the protection of the unit from overvoltage or spikes coming from the mains distribution.
AAD Technology
Prevents corrosion from air moisture and increases reliability.
Mechanical components are made in stainless steel or anticorodal aluminum.
Air is properly ducted to avoid contact with electronic parts.
All electronic boards and cablings are tropicalized with a special resin to strongly protect all circuits against salty and/or corrosive air.
Meets or exceeds all international standards for safety and electrical specifications.
AMPLIFIER MODEL (WPS) | DIGITAL OUTPUT POWERDVB-T / DVB-T2 / ISDB / ISDB-Tb / T-DMB (Wrms)* | DIGITAL OUTPUT POWER(Wrms)* | OUTPUT CONNECTOR | COOLING SYSTEM |
KBV 50 (50) | 16 | 20 | N | Air |
KBV 100 (100) | 30 | 40 | N | Air |
KBV 200 (200) | 60 | 80 | N | Air |
KBV 350 (350) | 110 | 130 | N | Air |
KBV 500 (500) | 200 | 250 | N | Air |
KBV 700 (700) | 250 | 350 | N | Air |
KBV 1000 (1000) | 350 | 500 | DIN 7/16 | Air |
KBV 1400 (1400) | 500 | 750 | DIN 7/16 | Air |
KBV 2000 (2000) | 700 | 1000 | EIA 7/8" | Air or Liquid |
KBV 3000 (3000) | 1000 | 1500 | EIA 7/8" | Air or Liquid |
KBV 5500 (5500) | 1400 | 2000 | EIA 1+5/8 | Air or Liquid |
KBV 10000 (10000) | 2500 | 3500 | EIA 1+5/8" | Air or Liquid |
KBV 20000 (20000) | 5000 | 7000 | EIA 3+1/8 | Air or Liquid |
KBV 30000 (30000) | 7500 | 10000 | EIA 3+1/8" | Air or Liquid |
KBV 40000 (40000) | 10000 | 14000 | EIA 4+1/2" | Air or Liquid |
TECNICAL SPECIFICATIONS | |
Operating frequency range | VHF Band I (45-90MHz) VHF - Band III (170-230 MHz) |
TV Standards | B, D, I, K1, L, M, N |
In/out impedance | 50 Ω |
Input connector | N (others on request) |
Power stability | < 1% |
AC POWER REQUIREMENTS | |
AC supply voltage | 115 / 230 VAC ± 15%, single-phase or 230/380 VAC ± 15%, three-phases |
AC supply frequency | 50 Hz or 60 Hz, ±5% |
Power factor | > 0.9 |
ENVIRONMENT | |
Cooling Forced | Forced air with built-in axial fans / Liquid cooling (optional) |
Service | Continuous 24/24h |
Operating temperature | -5°C to +45°C Derate 3°C per 500 m above 2000 mt asl |
Relative humidity | Up to 95% |
TV amplifiers KD
The KD Series is the high quality UHF Analog TV amplifiers line. These amplifiers are designed to assure extremely high performances in analog transmission and also in digital modulation (DVB-T/T2, DVB-H, ATSC, ISDB-T/Tb, DTMB, etc…).
HI-ADCTM technology
The KD Series are realized with the new HI-ADC™ technology. Using latest generation LDMOS RF devices with ultra-linear characteristics, higher performances have been obtained for analog and digital television:
Higher modulation quality.
Higher RMS output power in digital operations compared to previous technologies.
Extremely low heating due to increased efficiency.
High ruggedness devices resisting to very high load mismatches (65:1).
Digital ready
The KD Series amplifiers are perfectly suitable to be used for all standard digital modulations thanks to the high linearity and performances RF design.
Modular assembly
Easy removable interchangeable power amplifier modules and power supplies simplify the maintenance, reducing spare requirement and service costs.
Measures and Alarms Control System
User friendly interface with LCD display and pushbuttons for easy check and setup of all main parameters is present on the transmitter front. Some available measures and alarms are as follow:
Forward and reflected power.
Supply voltage and current of each RF amplifier module.
Internal heat-sink temperature.
Alarm indication for VSWR, over-temperature, overdrive.
High redundancy configurations
High on-air reliability is assured by using multiple power amplifier modules, each one with multiple internal PA's, with independent power supplies and optional dual-driver configurations.
Air cooling
The KD Series oversized air cooling system widely extends transistor life. The amplifier modules are equipped with externally mounted redundant fans to allow easy and fast cleaning, or eventual replacement, without opening or removing any module and without interrupting the transmitter operation.
Liquid Cooling
An oversize heat exchanger, single or double (optional), suitable for outdoor or indoor installation, and equipped with single or double (optional) pump system for maximum redundancy, is the main component of the powerful liquid cooling system. DB liquid cooling system assures high reliability, cooling efficiency and easy installation, thanks to the special design of liquid cooled heat-sinks inside the amplifier and low pressure liquid distribution. This system is designed to successfully face every hard climate condition.
Advantages of KD liquid cooling
Substantial advantages of our liquid cooling technology compared to air cooling are:
Properly working even with hard climate conditions.
Dramatically reduction of air conditioning needing.
Correct functioning in dusty environment even with high humidity or salinity.
Very low acoustic noise.
Low heat radiation into the environment.
Longer life for transistors and active elements due to colder continuous operation.
Reduced maintenance
Easy accessibility of all parts, externally serviceable cooling air filters, very high MTBF for RF and power supply modules, are only some of the characteristics that explain the very high reduction of maintenance costs obtained.
High Efficiency Power Supply
The High Efficiency Switch-Mode Power Supply with Power Factor Control meets all the international requirements for mains network disturbances.
Surge and Lightning Protections (optional)
Surge and lightning protections for the amplifiers are available as option to improve the durability of the equipment. Moreover, an isolation transformer can be optionally installed to increase the protection of the unit from overvoltage or spikes coming from the mains distribution.
AAD Technology
Prevents corrosion from air moisture and increases reliability.
Mechanical components are made in stainless steel or anticorodal aluminum.
Air is properly ducted to avoid contact with electronic parts.
All electronic boards and cablings are tropicalized with a special resin to strongly protect all circuits against salty and/or corrosive air.
Meets or exceeds all international standards for safety and electrical specifications.
AMPLIFIER MODEL (WPS) | DIGITAL OUTPUT POWER DVB-T / DVB-T2 / ISDB / ISDB-Tb / T-DMB (Wrms)* | DIGITAL OUTPUT POWER ATSC (Wrms)* | OUTPUT CONNECTOR | COOLING SYSTEM |
KD 50 (50) | 16 | 20 | N | Air |
KD 100 (100) | 30 | 40 | N | Air |
KD 200 (200) | 60 | 80 | N | Air |
KD 350 (350) | 110 | 130 | N | Air |
KD 500 (500) | 200 | 250 | N | Air |
KD 700 (700) | 250 | 350 | N | Air |
KD 1000 (1000) | 350 | 500 | DIN 7/16 | Air |
KD 1400 (1400) | 500 | 750 | DIN 7/16 | Air |
KD 2000 (2000) | 700 | 1000 | EIA 7/8" | Air or Liquid |
KD 3000 (3000) | 1000 | 1500 | EIA 7/8" | Air or Liquid |
KD 5500 (5500) | 1400 | 2000 | EIA 1+5/8" | Air or Liquid |
KD 10000 (10000) | 2500 | 3500 | EIA 1+5/8" | Air or Liquid |
KD 20000 (20000) | 5000 | 7000 | EIA 3+1/8" | Air or Liquid |
KD 30000 (30000) | 7500 | 10000 | EIA 3+1/8" | Air or Liquid |
KD 40000 (40000) | 10000 | 14000 | EIA 4+1/2" | Air or Liquid |
TECNICAL SPECIFICATIONS | |
Operating frequency range | UHF Band IV & V (470-860MHz) |
TV Standards | B, G, D, K, M, N, I |
In/out impedance | 50 Ω |
Input connector | N (others on request) |
Power stability | < 1% |
AC POWER REQUIREMENTS | |
AC supply voltage | 115 / 230 VAC ± 15%, single-phase or 230/380 VAC ± 15%, three-phases |
AC supply frequency | 50 Hz or 60 Hz, ±5% |
Power factor | > 0.9 |
ENVIRONMENT | |
Cooling Forced | Forced air with built-in axial fans / Liquid cooling (optional) |
Service | Continuous 24/24h |
Operating temperature | -5°C to +45°C Derate 3°C per 500 m above 2000 mt asl |
Relative humidity | Up to 95% |