LC72121 - PLL Frequency Synthesizers

Sanyo Semicon Device

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Datasheet Details

Part number	LC72121
Manufacturer	Sanyo Semicon Device
File Size	379.55 KB
Description	PLL Frequency Synthesizers
Datasheet	LC72121_SanyoSemiconDevice.pdf

LC72121 Product details

Description

Pin name Pin No. Crystal oscillator element connections (4.5 or 7.2 MHz) FMIN is selected when DVS in the serial data is set to 1. Input frequency: 10 to 160 MHz FMIN 16 17 Local oscillator signal input The signal is passed through an internal divide-by-two prescaler and then input to the swallow counter. The divisor can be set to a value in the range 272

Features

e frequency, and a low level is output when that frequency is lower. This pin goes to the highimpedance state when the frequencies match. AIN AOUT 19 20 20 21 Low-pass filter.
Connections for the MOS transistor used for the PLL active low-pass amplifier filter. transistor IFIN 12 13 IF counter.
The input frequency range is 0.4 to 12 MHz.
The signal is passed directly to the IF counter.
The result is output, MSB first, through the DO.

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Published: Mar 22, 2005 |