next up previous contents
Next: A Control and Monitor Up: A Summary of Important Previous: Fourth LO Synthesiser   Contents


Base-band System

Lower cut-off frequency $\sim 10$ kHz
Choice for Upper cut-off frequency 62.5 kHz, 125 kHz, 250 kHz, 500 kHz,
  1 MHz, 2 MHz, 4 MHz, 8 MHz and 16 MHz
Pass-band ripple $<$ 0.5 dB
Stop band rejection 48 dB/octave
Image Rejection minimum 20 dB
Fourth LO leakage to output Better than 60 dB
Third IF input level $-$65 dBm to $-$55 dBm
Base band output power level 0 dBm (ALC ON mode)
Typical Third IF level in ALC OFF mode: $-$50 dBm, to give 0 dBm output.


next up previous contents
Next: A Control and Monitor Up: A Summary of Important Previous: Fourth LO Synthesiser   Contents
NCRA-TIFR