Board And Unit - Kenwood TS-820 Operating Manual

5.2 BOARD A N D UNIT
I F B O A R D (X48-1150-00)
The IF Board is very ilnportant for operation of transmitter
and receiver. I t is composed of the microphone amplifier,
ring modulator, crystal filter. transmit-receive IF amplifier
i
and the ring detector. i n addition t o the noise blanker circu~t.
AGC ampl~fier. S meter amplif~er, speech processor a n d mo-
Fig. 12 I F Board