Specifications

8-VSB Agile Modulator Issue 1.02 December 9, 2008 Page 12 of 29
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Clock Reference Output X 1
General Function: 10 MHz reference output
Name: 10 MHz OUT
Connector: SMA 50 Ω
Type: Output
Performance Frequency: 10 MHz +/- 5 ppm
Level: 0 dBm +/- 3 dB
Thermal Stability: < +/- 1 ppm (0 to 50˚C)
Tuning: +/- 5 ppm
Aging: < +/- 1 ppm / year
RF Output X 1
General Function: VHF or UHF output (specify at time
of order)
Standards: ATSC
Name: RF OUTPUT
Connector: SMA 50 Ω
Type: Output
Performance Frequency: 170 to 240 MHz (+/- 3 Hz), or
470 to 860 MHz (+/- 3 Hz)
Level: 0 dBm +/- 2 dB (atten. 0 to 10 dB)
Stability: +/- 0.1 dB (at 25˚C)
Return Loss: > 12 dB typical
EVM: < 2.5% typical (w/o equalizer)
In-band SNR: > 32 dB
Shoulders: > 60 dBc from pilot level
In-band Flatness: < +/- 0.5 dB
Pilot Phase Noise: < -106 dBc/Hz @ 20 kHz (at 25˚C)
Spurious: < -50 dBc at 0 dBm output
Monitor Output X 1
General Function: Monitoring output
Standards: ATSC
Name: TAPOFF
Connector: SMA 50 Ω
Type: Output
Performance Frequency: See RF OUTPUT
Level: -20 dB +/- 2 dB below RF OUTPUT