Advertisement
Pin No.
27
28
V CC
Ceramic Bandpass Filter
24
Downloaded from
Elcodis.com
electronic components distributor
PIN FUNCTION DESCRIPTION (continued)
Equivalent Internal Circuit
V CC
200
V CC
1.0 mA
V CC
60
1.0 mA
Intercarrier
28
Sound Output
1.0 k
100 pF
MC44302A
Audio Output (Variable)
This is the variable audio output. The audio source is controlled
by the mode selection of Pin 3, and audio level is controlled by a
potentiometer connected to Pin 1. Refer to the description of
Audio Output
Pin 3, Table 1, Table 2, and Figure 17.
(Variable)
27
Intercarrier Sound Output
This pin is the sound intercarrier output and is normally connected
to either the AM or FM sound IF input through a bandpass filter.
Because quadrature demodulation is used, the video level at this
output is greatly suppressed.
To Sound Input
0.001
Pin 2 for FM,
Pin 23 for AM
2.0 k
Description
MOTOROLA ANALOG IC DEVICE DATA
Advertisement
