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LA1823M - Single-Chip Tuner

General Description

and Quiescent Voltage at VCC = 4.5V Pin number Function Quiescent voltage (V) AM FM Remarks 1 AM-RF input 1.2 1.2 Connect the AM antenna coil between this pin and pin 2 (Reg) Equivalent circuit 2 1 2 Reg 1.2 1.2 2 3 AM-OSC 4.5 4.5 Connect the AM oscillator coil between this pin and pin

Key Features

  • AM, FM frontend/IF and MPX integrated in a single-chip.
  • Built-in MPX VCO circuit.
  • Electronic tuning (AM oscillator output, AM/FM IF output).
  • Adjustment-free FM detection (uses a ceramic discriminator).
  • Packages : DIP24S (300mil) [LA1823] MFP24S (300mil) [LA1823M] Functions AM : RF amplifier, mixer, oscillator, oscillator buffer, IF amplifier, detector, AGC, IF count buffer output. FM-RF : RF amplifier, mixer, and oscillator. FM-IF : IF amplifier, q.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : EN6854A LA1823 LA1823M Monolithic Linear ICs Single-Chip Tuner ICs for Use in Radio Cassette Recorder Overview The LA1823 and the LA1823M are single-chip tuner ICs that incorporate FM/AM and MPX circuits and support electronic tuning. The built-in MPX-VCO allows these ICs to be adjustment-free and to require no external components. Features • AM, FM frontend/IF and MPX integrated in a single-chip. • Built-in MPX VCO circuit • Electronic tuning (AM oscillator output, AM/FM IF output) • Adjustment-free FM detection (uses a ceramic discriminator) • Packages : DIP24S (300mil) [LA1823] MFP24S (300mil) [LA1823M] Functions AM : RF amplifier, mixer, oscillator, oscillator buffer, IF amplifier, detector, AGC, IF count buffer output.