
3
Receiver Characteristics
Input characteristics
Frequency range
IFBW ≤ 3 kHz . . . . . . . . . . . . . . . . . . . . . . . . .100 kHz to 1.8 GHz
IFBW = 10 kHz, 40 kHz . . . . . . . . . . . . . . . . . .1 MHz to 1.8 GHz
Full scale input level
R input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+20 dBm
A, B inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .–5 dBm
IF bandwidth (IFBW) . . . . . . . . .10, 30, 100, 300, 1 k, 3 k, 10 k, 40 kHz
Noise level
Noise level Noise level
Frequency Input port IFBW = 10 Hz IFBW = 40 kHz
100 k ≤ freq. < 10 MHz R < –85 dBm < –50 dBm
100 k ≤ freq. < 10 MHz A, B < –110 dBm < –75 dBm
10 MHz ≤ freq. R < [ –100 + 3 f ] dBm
1
< [–65 + 3 f ] dBm
1
10 MHz ≤ freq. A, B < [ –125 + 3 f ] dBm
1
< [–90 + 3 f ] dBm
1
Input crosstalk
≥ 300 kHz
A to/from B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .< –100 dB
R to A, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .< –120 dB
A, B to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .< –80 dB
Source crosstalk (A, B)
≥ 300 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . .< –124 dB typically
Maximum safe input level . . . . . . . . . . .+20 dBm or ±25 Vdc typically
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Type-N female
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 Ω nominal
Return loss
frequency ≥ 500 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . .> 20 dB
100 kHz ≤ frequency < 500 kHz . . . . . . . . . . . . .> 12 dB typically
3 MHz ≤ frequency ≤ 50 MHz . . . . . . . . . . . . . . > 35 dB typically
Multiplexer switching impedance change . . . . . . . . .< 1 Ω typically
1. f is measurement frequency (GHz).
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