AN7243 Datasheet - Panasonic Semiconductor

AN7243 FM Front-end

Pin No. 1 Pin Name Oscillation Emitter Typ. Waveform Description Oscillation transistor's emitter pin 108.7MHz ICs for FM/AM Tuner Equivalent Circuit 2 1 2 Oscillation Base 108.7MHz Oscillation transistor's base pin 3 VCC DC 8V Main circuit VCC VCC 4 OSC Output 108.7MHz Output oscill.

ICs for FM/AM Tuner AN7243S FM Front-end Circuit for Car Radio s Overview The AN7243S is an FM front-end IC designed for DTS except RF amp. of car radio. It is built-in local oscillation frequency buffer output and PIN diode (ADX) driver for antenna damping. Unit : mm 0.4±0.25 1.24 temper- 0.3 4.2±0.3 6.5±0.3 14-Lead SOP Package (SOP014-P-0225) s Block Diagram GND 14 13 12 11 10 9 8 ADX Driver Mix. IF-Amp. Buffer OSC AGC & Det. Buffer 1 2 3 VCC 4 5 6 7 0.15 0.65 ature charact.

AN7243 Features

* High sensitivity

* High S/N ratio

* Good IM characteristics at strong input

* Timing for AGC input level is variable.

* Built-in pre-IF-Amp. having negative (positive) 0.1±0.1 1 2 3 4 5 6 7 14 13 12 11 10 9 8 10.1±0.3 1.27 AN7243S s Absolute Maximum Rating

AN7243 Datasheet (81.40 KB)