PIN No.
PIN NAME
FUNCTION
6
REG
Regulator output.
7
8
UHF input
9
10
VHF input
11
VCC
12 IF output
UHF · RF input.
Either apply balanced input to pins 7
and 8, or ground pin 7 to AC and apply
input to pin 8.
VHF-RF input.
Normally ground pin 10 to AC using a
capacitor and input to pin 9.
VCC
IF output.
Output impedance : 75Ω
TA1231F,TA1231FN
INTERFACE
―
13
14
MIX output
Mixer output.
For turning, connect a tank circuit
between pins 13 and 14.
15 GND
GND
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