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LC72151V - PLL Frequency Synthesizer

Key Features

  • a fast locking circuit. Functions.
  • High-speed programmable divider.
  • FMIN: 10 to 160 MHz: Pulse swallower type.
  • AMIN: 2 to 40 MHz: Pulse swallower type 0.5 to 10 MHz: Direct division type.
  • IF counter.
  • HCTR: 0.4 to 25 MHz: for FM IF count.
  • LCTR: 10 to 500 kHz: for AM IF count 1.0 to 20 × 103 Hz: for frequency measurement.
  • Reference frequency.
  • One of 11 frequencies may be selected (when a 10.25 or 10.35 MHz crystal is used) 50,.

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Full PDF Text Transcription for LC72151V (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LC72151V. For precise diagrams, tables, and layout, please refer to the original PDF.

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Ordering number : ENN6976A CMOS IC LC72151V PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems Overview The LC72151V is a PLL frequency synthesizer for car audio systems. It can implement high-performance multifunction tuners such as RDS tuners and features a fast locking circuit. Functions • High-speed programmable divider — FMIN: 10 to 160 MHz: Pulse swallower type — AMIN: 2 to 40 MHz: Pulse swallower type 0.5 to 10 MHz: Direct division type • IF counter — HCTR: 0.4 to 25 MHz: for FM IF count — LCTR: 10 to 500 kHz: for AM IF count 1.0 to 20 × 103 Hz: for frequency measurement • Reference frequency — One of 11 frequencies may be selected (when a 10.25 or 10.35 MHz crystal is used) 50, 30*, 25, 12.5, 10, 9*, 6.25, 5, 3.125, 3*, 1 kHz Note: Cannot be used when a 10.