Modulator (Transmit) Specifications; Frequency Range; Impedance; J1 | Tx' Connector Type - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Specifications

2.2.20 Modulator (Transmit) Specifications

2.2.20.1

Frequency Range

Bandwidth of transmitted spectrum is within IF frequency range:
• CDM-710: 52 to 88 MHz or 104 to 176 MHz in 100Hz steps.
• CDM-710L: 950 to 2000 MHz in 100Hz steps.
2.2.20.2

Impedance

• CDM-710: 75Ω or 50Ω, programmable.
• CDM-710L: 50Ω
2.2.20.3

'J1 | Tx' Connector Type

• CDM-710: BNC female
• CDM-710L: Type 'N' female.
2.2.20.4

Return Loss

• CDM-710: 18 dB
• CDM-710L: 15 dB
2.2.20.5

Output Power

Carrier is not interrupted when changing between output power levels or
removing data connections:
• CDM-710:
• CDM-710L:
2.2.20.6

Output Power Accuracy

±0.5 dB at 25°C
0 to -20 dBm in 0.1 dB steps.
-5 to -25 dBm in 0.1 dB steps.
2–10
MN/CDM710.IOM
Revision 12