M64897GP(2006) Ver la hoja de datos (PDF) - Renesas Electronics

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M64897GP
(Rev.:2006)

PLL Frequency Synthesizer with DC/DC Converter for PC

Renesas Electronics 

M64897GP

Application Example

VHF

UHF

Built-in PLL Tuner

IF

AGC

IF

AGC

4-Band Tuner

AFT

VCC1 to 9 V

+5 V

+B

BS4 BS3 BS2 BS1

Lo

VT

0.01

33 H

0.1

56 k

100 p

43

1000 p 1500 p

M64897GP 4 5 6 7 8

1

56 k 22 k

0.1

14 13

68 H

9 10

11

AMP

Q

Band

Driver

4

1/8

1/32

Charge

Pump

SR

1/33

Phase

+–

Detector

3

Vreg

Main

Counter

10

Swallow

Counter

5

Chip

Select

I2C Receiver

Lock

Detector

VCC1 51 k

=5V

5-level

ADC

1000 p

19

17 18

18

VCC1

12 1.5

2

18 p

20 4 MHz

15

Note: Filter constant is for reference.

Add a capacitor to stabilize the filter circuit.

ADS

SCL SDA

MCU

LD/ftest

Units R: Ω

C: F

Rev.2.00 Jun 14, 2006 page 12 of 13

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