Features: ·OPERATINGSUPPLY VOLTAGE : 1.5TO 6V ·HIGH SENSITIVITY AND LOWNOISE ·LOW BATTERY DRAIN ·VERY LOW TWEET ·HIGH SIGNALHANDLING ·VERY SIMPLE DC SWITCHING OF AM-FM AM SECTION OPERATES UP TO 30MHzPinoutSpecificationsVS Supply Voltage ......................................6.5 VPtot Total Power D...
TDA7220: Features: ·OPERATINGSUPPLY VOLTAGE : 1.5TO 6V ·HIGH SENSITIVITY AND LOWNOISE ·LOW BATTERY DRAIN ·VERY LOW TWEET ·HIGH SIGNALHANDLING ·VERY SIMPLE DC SWITCHING OF AM-FM AM SECTION OPERATES UP TO 30MH...
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The TDA7220 is a monolithic integrated circuit in a 16-lead dual in-line plastic package designed for use in 3V, 4.5V and 6V portable AM-FM radio receivers.The functions incorporated are :
AMSection
- Preamplifier and double balanced mixer
with AGC
- On pin local oscillator
- IF amplifier with internal AGC
- Detector and audio preamplifier
FM SECTION
- IF amplifier and limiter
- Quadrature detector
- Audio preamplifier