CXA1951AQ Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXA1951AQ

GPS Down Converter

Sony Semiconductor 

Pin

Symbol Pinvoltage

No.

Equivalent circuit

VCC

CXA1951AQ

Description

31 LIM OUT

31

Limiter buffer output

GND

32 LIM GND

0V

High: 2.2 V

34 REF INV

Low: 2.0 V

VCC

39.6k

200

35

39.6k

35 REF IN

36 PLL GND

2.1 V

0V

37 FC

—

GND

VCC

81k

200

37

100k

100k

GND

VCC

200

34

Limiter buffer ground

Reference frequency

signal output.

The reference frequency

signal can also be made

by connecting this pin

and Pin 35 with a crystal

oscillator to configure an

oscillator.

Reference frequency

input and reference

counter input

PLL ground

Switching for the charge

pump output status and

for the signal output to

Pin 38

High: 2.2 V

38 TEST OUT

Low: 2.0 V

200

38

Output of the frequency

division signal by the

counter

GND

—5—

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