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AN7259 - FM-IF Amplifier

Datasheet Summary

Description

The AN7259S has linear level meter output (control voltage on Pin2) whose dynamic range is about 60dB wider for change of the input.

This control voltage is adjustable by the resistor R4 of Pin1.

Features

  • Quadrature detection system and fewer external parts.
  • Good linearity of control voltage output used for AGC 0.4±0.25 0.3 5.4±0.3 7.7±0.3 20-Lead SOP Package (SOP020-P-0300A) s Block Diagram 20 19 18 17 16 15 14 13 12 11 FM IF Amp. Counter SSC FM Det. VCONT. Search Mute Amp. 1 2 3 4 5 6 7 8 GND 9 10 VCC 0.15 0.65 12.6±0.3 AN7259S s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current Power Dissipation (Ta = 75˚C) Operating Ambient T.

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Datasheet Details

Part number AN7259
Manufacturer Panasonic Semiconductor
File Size 72.84 KB
Description FM-IF Amplifier
Datasheet download datasheet AN7259 Datasheet
Additional preview pages of the AN7259 datasheet.

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Full PDF Text Transcription

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ICs for FM/AM Tuner AN7259S FM-IF Amplifier Circuit for Car Radio s Overview The AN7259S is an FM–IF/DET IC for car radio/car stereo and has each function necessary for electronictuner. 0.4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1.5±0.2 Unit : mm and separation control, etc. IF counter output and search output in channel selection signal as electronic tuning and with IF counter output ON/OFF circuit (SSC) • Adjustment of search band width and search output center frequency • Soft muting adjusting function • 0.1±0.1 1.27 s Features • Quadrature detection system and fewer external parts • Good linearity of control voltage output used for AGC 0.4±0.25 0.3 5.4±0.3 7.7±0.3 20-Lead SOP Package (SOP020-P-0300A) s Block Diagram 20 19 18 17 16 15 14 13 12 11 FM IF Amp.
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