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LA1265 - Monolithic Linear IC

Features

  • Minimum number of external parts required.
  • Excellent S/N.
  • Local OSC with ALC.
  • Local OSC buffer.
  • Tuning indicator pin (common with narrow-band stop signal and muting drive output).
  • Variable stop sensitivity (variable separately for FM, AM).
  • Low whistle.
  • Signal meter pin. Functions.
  • FM : IF amplifier, quadrature detector, AF preamplifier, signal meter, tuning indicator drive output (common with stop signal, mu.

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LA1260 FM/AM Tuner System
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Full PDF Text Transcription

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Ordering number : EN1820D Monolithic Linear IC LA1265 FM/AM Tuner of Electronic Tuning Type Features • Minimum number of external parts required. • Excellent S/N. • Local OSC with ALC. • Local OSC buffer. • Tuning indicator pin (common with narrow-band stop signal and muting drive output). • Variable stop sensitivity (variable separately for FM, AM) • Low whistle. • Signal meter pin. Functions • FM : IF amplifier, quadrature detector, AF preamplifier, signal meter, tuning indicator drive output (common with stop signal, muting drive output). • AM : RF amplifier, MIX, OSC (with ALC), IF amplifier, detector, AGC, signal meter, tuning indicator drive output (common with stop signal). Specifications Maximum Ratings at Ta = 25°C, See specified Test Circuit.
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