CXA1619AM and CXA1619AS
FM/AM radio IC
Description
CXA1619AM/AS is a one-chip FM/AM radio IC
designed for radio-cassette tape recorders and
headphone tape recorders, and has the following
functions.
CXA1619AM
CXA1619AS
Features
Small number of peripheral components.
Low current consumption (VCC=3 V)
For FM : ID=5.8 mA (Typ.)
For AM : ID=4.7 mA (Typ.)
Built-in FM/AM select switch.
Large output of AF amplifier.
EIAJ output=450 mW (Typ.) when
VCC=6 V, load impedance 8 ½
Function
FM section
RF amplifier, Mixer and OSC
(incorporating AFC variable capacitor).
IF amplifier
Quadrature detection
Tuning LED driver
AM section
RF amplifier, Mixer and OSC (with RF AGC)
IF amplifier (with IF AGC)
Detector
Tuning LED driver
AF section
Electronic volume control
CB Radio Banner
Exchange