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Silicore
AM/FM 1 CHIP RADIO
z
CD7613
outline drawing
DESCRIPTION
The CD7613 is a monolithic integrated
circuit designed for the portable AM/FM radio or AM/FM clock radios.
FEATURE
z z Portable AM/FM 1-chip radio Wide op erating su pp ly voltage range:
Vcc=3V~12V (Approxi mately) (Depending on the internal regulator tolerance) z Recommen ded operating supply voltage : Vcc=4.5V~9V On using AC line as an internal shunt regulator mode , it is transformer (approximately
possible to use low cost application without a 42mA). z z
IF AMP gain is determined by DC Vo ltage appeared at IC Pin16 Power output: Po=0.28W (Min.) at THD=10% (Vcc=5.5V/8¦¸ )
BLOCK DIAGRAM
AM/FM IF AM/FM DET
VOLTAGE REGULATOR
AM F/E MIX OSC POWER AMP
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CD7613 Datasheet
