CXA1951AQ Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXA1951AQ

GPS Down Converter

Sony Semiconductor 

Pin Description

Pin

Symbol

No.

Pinvoltage

1 NSW

—

2 CPOUT

—

Equivalent circuit

VCC

40k

200

1

20k 40k

81k

GND

VCC

200

2

CXA1951AQ

Description

Internal PLL frequency

division value switching

Charge pump output

3, 33 NC

—

4, 5,

OSC GND

0V

10

6 OSCB1

9 OSCB2

7 OSCE1

8 OSCE2

2.5 V

1.7 V

1.7 V

2.5 V

11 OSC VCC

3V

12 OSC DEC 1.7 V

13, 14 RF GND

0V

RF IN1

15, 16

RF IN2

1.6 V

1.6 V

GND

VCC

1.6k

1k

6

7

12k

GND

VCC

15

16

GND

12k

12k

—3—

1.6k

1k

9

8

12k

Not connected

Ground for the internal

oscillator

Connects the internal

oscillator resonator.

Connects to main

counter input via the

internal buffer.

Internal oscillator power

supply

Connects decoupling

capacitor for the internal

oscillator bias power

supply

RF amplifier ground

RF amplifier input.

When using as a single

input, ground Pin 16 via

the capacitor.

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