PMB2347 データシートの表示（PDF） - Infineon Technologies

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PMB2347

RF/IF Double PLL Frequency Synthesizer

Infineon Technologies 

3.3 Functional Block Diagram

PMB 2347

preliminary

Functional Description

1 PLL1 (RF)

VCC1

2

VPD1

3

PD1

Phase

Detector

Mod1

Modulus Control

14 Bit

N-Counter

Data Reg.

Shadow Reg.

Shift Register

6 Bit

A-Counter

Data Reg.

Shadow Reg.

Shift Register

Phase

Detector

20

VCC2

19

VPD2

18

PD2

4

GND1

5

RF

Mod1

6

RFX

7

GND2

8

EN

9

DA

Serial

Control

Logic

10

CLK

PLL2 (IF)

376623

14 Bit

R1-Counter

Data Reg.

Shadow Reg.

Shift Register

14 Bit

R1-Counter

Data Reg.

Shift Register

Mod2

Modulus Control

14 Bit

N-Counter

Multiplexer

Data Reg. 1

Data Reg. 2

4 Bit

A-Counter

Multiplexer

Data Reg. 1

Data Reg. 2

Shift Register

Shift Register

Figure 3-2 Functional Block Diagram

17

GND1

16

IF

15

IFX

14

GND2

13

RI

12

Bias

Iref

REXT

11

LD

LD/fo

fo

Funct_block.wmf

Wireless Components

3-6

Specification, August 1999

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