CXA1691M Datasheet, PDF (1/10 Pages) Sony Corporation – FM/AM RADIO

TIGER ELECTRONIC CO.,LTD
FM/AM RADIO CIRCUIT CXA1691M
DESCRIPTION
The CXA1691M is a one-chip FM/AM radio IC designed for radio-cassette tape
recorders and headphone tape recorders.
F E AT U R E
z Small number of peripheral components
z Low current consumption (Vcc=3V)
FM: ID=5.3mA (Typ.)
AM: ID=3.4mA(Typ.)
z Built-in FM/AM select switch
z Large output of AF amplifier
FUNCTIONS
FM section
z RF amplifier; Mixer and OSC
(in corporating AFC variable capacitor);
z IF amplifier,
z Quadrature detection;
z Tuning LED driver.
AM section
z RF amplifier, Mixer and OSC (with RF AGC);
z IF amplifier (with IF AGC)
z Detector
z Tuning LED driver
AF section
z Electronic volume control
z FM muting