U6225B Просмотр технического описания (PDF) - Temic Semiconductors

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U6225B

2.9 GHz PLL for SAT TV Receiver with Universal Bus

Temic Semiconductors 

U6225B

TELEFUNKEN Semiconductors

Block Diagram

AS

ENA

10

SCL 5

SDA 4

UNIVERSAL

BUS

CONTROL

Lock SW4 SW6

SW1 SW5 SW7

11 9 8 7 6

5 BIT LATCH

SWITCHING

OUTPUTS

7 BIT LATCH 8 BIT LATCH 4 BIT LATCH

T1

GATE

14

RFi

13

15 BIT LATCH

OS

16

PRESCALER

15 BIT COUNTER

T0 5I

PHASE

COMPAR.

CHARGE

PUMP

12 15

Vs GND

OSC

512

23

CRYSTAL

Figure 1. Block diagram

16 VD

1 PD

95 10730

2 (12)

Rev. A1: 25.10.1995

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