CXA1691M Ver la hoja de datos (PDF) - Tiger Electronic

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CXA1691M

FM/AM RADIO CIRCUIT

Tiger Electronic 

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

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