The six-channel receiver adopts one-down conversion technology. The RF signal is FL~FHMHz, the IF signal is 270MHz, and the instantaneous signal bandwidth is 8MHz.
a.Function Description:
The six-channel receiver adopts one-down conversion technology. The RF signal is FL~FHMHz, the IF signal is 270MHz, and the instantaneous signal bandwidth is 8MHz.
b.Technical Indicators:
1)Channel Gain: 62dBm±1dB(Output: P-1≥13dBm);
2)Noise Coefficient: ≤8.0;
3)Channel Interval: ≥65dB;
4)Channel Interval Consistency: ±0.5dB;
5)Input/Output Standing Wave: ≤1.5;
6)Input LO Signal Power: ≥10dBm;
7)Overall STC2 Attenuation:30dB±1.5dB @ 2dB±0.5dB stepping(4bit);
8)Center Frequency of RF Filter: 1250MHz;
9) -1dB Bandwidth: 220MHz±5MHz;
10) -70dB Bandwidth: ≤500MHz,free from carrying-over at far end;
11)Center Frequency of IF Filter: 270MHz;
12) -3dB Bandwidth: 11MHz±0.1MHz;
13) -70dB Bandwidth: ≤50MHz,free from carrying-over at far end;
14)Center Frequency of LO Filter: 1520MHz;
15) -3dB Bandwidth: 220MHz±5MHz;
16) -70dB Bandwidth: ≤500MHz,free from carrying-over at far end;
17) Power Source: +12VA/5A、-12VA/2A、+5VA/8A、-5VA/2A、+5VD/2A、-5VD/2A;
18) Plug: LRM11-A85SH16ST4R-B60ST12-CT22-T(wiring);
19) Operating Temperature: -20℃~+55℃;
20) Overall Dimensions: 380mm×233mm×31mm。