TIGER ELECTRONIC CO.,LTD
FM/AM RADIO CIRCUIT
DESCRIPTION
The
CXA1691M
is a one-chip FM/AM radio IC designed for radio-cassette tape
recorders and headphone tape recorders.
CXA1691M
FEATURE
Small nu mb er of peripheral components
Low current consumption (Vcc=3V)
FM: I
D
=5.3mA (Typ.)
AM: I
D
=3.4mA (Typ.)
Built-in FM/AM select switch
Larg e output of AF amplifier
FUNCTIONS
FM section
RF a mplifier; Mixer and OSC
(in corporating AFC variable capacitor);
IF a mplifier,
Quadrature detection;
Tuning LED driver.
AM section
RF a mplifier, Mixer and OSC (with RF AGC);
IF a mplifier (with IF AGC)
Detector
Tuning LED driver
AF section
Electronic volu me control
FM mu ting
1/10
TGS [ Tiger Electronic Co.,Ltd ]
