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LC72147V - PLL Frequency Synthesizer

Description

of the structure of the programmable divider.

3.

Serial data: CTC = 0 4.

Features

  • a crystal oscillator circuit that supports AM up-conversion, a fast locking circuit, an A/D converter, and an LA1783/1750 IF counter buffer control pin. Functions.
  • High-speed programmable divider.
  • FMIN: 10 to 180 MHz: Pulse swallower type.
  • IF counter.
  • HCTR: 0.4 to 25 MHz: Frequency measurement.
  • Crystal oscillator: One of the following 4 frequencies may be selected: 10.35, 10.25, 7.2, and 4.5 MHz Reference frequency.
  • One of 12 frequencies may.

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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 : ENN6675 CMOS IC LC72147V PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems Overview The LC72147V is a PLL frequency synthesizer for car audio systems. It can implement high-performance multifunction tuners and features a crystal oscillator circuit that supports AM up-conversion, a fast locking circuit, an A/D converter, and an LA1783/1750 IF counter buffer control pin. Functions • High-speed programmable divider — FMIN: 10 to 180 MHz: Pulse swallower type • IF counter — HCTR: 0.4 to 25 MHz: Frequency measurement • Crystal oscillator: One of the following 4 frequencies may be selected: 10.35, 10.25, 7.2, and 4.5 MHz Reference frequency — One of 12 frequencies may be selected (when a 7.2 or 4.5 MHz crystal is used) 100*1, 50, 30*2, 25, 12.5, 6.25, 3.
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