
Atmel Corporation
Description
The U2510B is an integrated bipolar one-chip AM/FM radio circuit. It contains an FM front end with preamplifier, FM IF and demodulator, a complete AM receiver, an AF amplifier and a mode switch for AM, FM and tape. This circuit is designed for clock radios and portable radio-cassette recorders.
FEATUREs
● Superior FM strong signal behavior by using RF AGC
● Soft mute and HCC for decreasing interstation noise in FM mode
● Excellent AFC performance (level controlled, both polarities available)
● Level indicator (LED drive) for AM and FM
● DC mode control: AM, FM and tape
● Wide supply-voltage range and low quiescent current
● High AF output power: 1 W
● Electronic volume control
● Electronic AF bandwidth control (treble and high cut)
● Output stage for headphone and speaker drive