LINEAR INTEGRATED CIRCUIT
LOW
VOLTAGE AM-FM RADIO
The TDA 1220L is a monolithic integrated circuit in a 16-lead dual in-line plastil:;package designed for use in 3V-4.
5V-6V portable AM-FM radio receivers.
The functions incorporated are:
AM SECTION
Preamplifier and double balanced mixer* One pin local oscillator IF amplifier with internal AGC Detector and audio preamplifier
FM SECTION
I F iIfflplifier~d limiter
Quadratur~ d~tector
AudittprEj;implifier
High sensitivity and low noise Very low tweet High signal handling (lVj Low battery drain
• Patent pending.
and for:FMbands and features:
;- AM sensitivity regulation facility High stability of electrical characteristics from 2V to 9V Very...