AAT state of the art Digital TV Transmitters combine proven reliability with modern features.
25 W – 5 KW TV Transmitters
- Full Color Touch Screen Display
- Internal RF Isolator (UHF, VHFIII)
- Two Stage Amplification
- Class A/AB Operation
- Efficient Transistors and Power Supplies
- Extensive Monitoring via Ethernet, SNMP, and Remote Samples
- Two Year Warranty
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RF CHARACTERISTICS |
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Frequency Range |
VHF 50 – 230 MHz, UHF 470 - 860 MHz |
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Input Power |
0 dBm into power amplifier from modulator |
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Nominal Output Power (8VSB) |
VHF: 25W, 40W, 100W, 250W, 500W, 1kW, 2kW, 3KW, 4KW, 5KW |
UHF: 40W, 100W, 250W, 500W, 1kW, 2kW, 3KW, 4KW, 5KW |
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Power Level |
Adjustable 10 – 100% |
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Input Impedance |
50 Ω into amplifier, BNC female |
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Output Impedance |
50 Ω, N or 7-16 DIN female (dependent on power level) |
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Modulation |
8VSB, QAM, DVBT/H, etc (output power will change between standards) |
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Signal and Noise |
MER >36 dB typical |
BER >38 dB typical |
SN >40 dB typical |
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Phase Jitter |
>104 dB |
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Shoulders |
>-50 dB typical, ATSC mode compliant to ATSC A53/B |
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Typical Performance Specifications
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ELECTRICAL |
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Flexible AC Input |
VHF PA: |
25W/100W/250W/500W - |
90-264Vac |
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1kW/2kW/3kW/4kW/5kW - |
180-264Vac |
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UHF PA: |
25W/100W/250W/500W - |
90-264Vac |
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1kW/2kW/3kW/4kW/5kW - |
180-264Vac |
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Other AC supply voltages and phases available upon request |
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INTERFACE |
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DB25 Remote Port |
Control: |
RF carrier on/off, RF power up/down, reset |
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Monitor: |
Forward/reflected RF level, control PCB Vcc |
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Flags: |
Overdrive, VSWR (adjustable trip point), high temperature |
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Ethernet |
Control: |
RF carrier on/off, RF power up/down, AGC/manual mode, change VSWR trip point, reset |
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Monitor: |
Forward/reflected RF level, pallet voltage, RF input level, temperature, VSWR trip point, model/serial number |
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Flags: |
Carrier on/off, overdrive, pallet voltage, VSWR, RF input, temperature, AGC / manual |
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SNMP |
Control: |
RF carrier on/off, RF power up/down, AGC/manual mode, change VSWR trip point, reset |
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Monitor: |
Forward/reflected RF level, DC pallet voltage, RF input level, temperature, pallet current, attenuation, run time, RF fault, model/serial number |
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Flags: |
Overdrive, VSWR, temperature, SNMP error |
Touch Screen Interface
Modulator Interface
