KA2161
PAL/NTSC 1 CHIP FOR C/TV
PIN DESCRIPTION
PIN No. FUNCTION
DESCRIPTION
5 SIF limiter The limiting SIF signal is taken
OUT
from limiter AMP.
EQUIVALENT CIRCUIT
Limiter AMP
5
6 AGC filter 1 Connected external resistors,
7 AGC filter 2 capacitors.
Dual time constant improve
high speed AGC time speed
in TV.
8 VIF/SIF GND VIF/SIF GROUND
9 IF IN
IF input terminals provide
10
IF output signals to IF AMP
stage in differential AMP.
7
6
5
10