User's Manual

Innovator CU0TD-1/CU0RD-1 – CU4TD/CU4RD 8VSB ATSC Modulator
ATSC Transmitter/Regenerative Translator
Instruction Manual, Rev. 2 80
Inputs
DVB-ASI IN
(MPEG-2 Transport Stream)
2x Connectors
SMPTE 310M
(MPEG-2 Transport Stream)
1x Connector
(SMPTE 3010M input connector is optional)
HPA Feedback Input
(Non-linear correction)
Frequency: 470 MHz to 1 GHz
Level: -25 dBm to -15 dBm
BPF Feedback Input
(Linear correction)
Frequency: 470 MHz to 1 GHz
Level: -25 dBm to -15 dBm
10MHz
(Clock Reference)
Frequency: 10 MHz
Level: 0 dBm to 15 dBm
1PPS
(Time Reference)
Frequency: 1 PPS
Level: TTL
Trigger: Positive transition
Table 30: Inputs
RF Output
Frequency Range 470 MHz to 860 MHz
Frequency Step Size 1 Hz
Frequency Stability Internal reference 0.05ppm, or in accordance with
external GPS reference accuracy
Spectrum Polarity Inverted or non-Inverted, user selectable
Level -10 dBm to 0 dBm; Step size 0.1 dB
Level Stability ± 0.3 dB
Amplitude Flatness Center frequency ± 3.8MHz: ± 0.4dB (Note 1)
Shoulder Level ≤ -55 dBc (Note 1)
MER ≥ 45 dB
Spurious < -60 dBm @ 0 dBm output power
Phase Noise SSB 10Hz: < -60 dBc/Hz
100Hz: < -85 dBc/Hz
1kHz: < -90 dBc/Hz
10kHz: < -103 dBc/Hz
100kHz: < -120 dBc/Hz
1MHz: < -135 dBc/Hz
Return Loss > 20 dB
Table 31: RF Output