AN7208 Panasonic Semiconductor, AN7208 Datasheet
AN7208
Related parts for AN7208
AN7208 Summary of contents
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... ICs for FM/AM Tuner AN7208SA TV/FM front-end IC for 1.5 V headphone stereo Overview The AN7208SA is a TV/ FM front-end IC developed for use in the headphone stereo. It incorporates two systems of FM and VHF band front-end. A pre-amp. be- tween IF amp. is not necessary by combination with the AN7233SH. Features Built-in two system of FM and VHF band front-end Pre-amp ...
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... AN7208SA Pin Descriptions Pin No. Description input input 3 GND out 1 6 Mode gain control 9 IF out 2 10 GND 2 Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation * 1 Operating ambient temperature * 1 Storage temperature Note All items are except for the operating ambient temperature and storage temperature ...
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... Hz (modulation freq. 1 kHz) DIV DIV within 500 ms ( times) Description FM RF input RF signal input in FM band To mix. (Common base type input RF signal input in TV band To mix. (Common base type) AN7208SA Min Typ Max Unit 1.8 1.8 mV[p- ...
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... AN7208SA Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description GND 1 GND pin (RF, mix. block) N.C. IF out 1 Outputs IF signal of TV/FM 5 Mode Switch of band switching mode CC Open/GND : FM mode amp. block input ICs for FM/AM Tuner Input resistance or pin voltage Approx ...
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... IF amp. block gain can be decreased 8 by inserting a resistance to GND. IF out 2 IF amp. block output 9 GND GND pin (IF, OSC block) V CC2 Power supply pin (IF, OSC block) STDBY Standby switch V /open : IC off CC GND : IC operates 12 AN7208SA Input resistance or pin voltage Approx. 700 Approx. 0.7 V Approx. 330 Approx ...
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... AN7208SA Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description TV OSC 1 Connects a local oscillator coil band OSC 2 Connects a local oscillator coil of TV band OSC buff. Oscillator buffer output pin 15 FM OSC 1 Connects a local oscillator coil of ...
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... Description FM OSC 2 Connects a local oscillator coil band Connects an RF tuning coil mix. band FM RF Connects an RF tuning coil of To mix. FM band V CC1 Power supply pin (RF, mix.block) AN7208SA Input resistance or pin voltage Approx Approx ...
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... PLL 2 0 VCO AM AGC 26 LPF 330 pF 27 LPF OSC 470 k 470 k 0.001 pF 470 k 10 470 k 0.001 F 470k AN7208SA 470 390 pF CC2 STDBY 470 OSC 15 OSC buff. 470 470 k FM OSC ...