Datasheet > ADF4207BCHIPS

ADF4207BCHIPS

更新时间： 2024-12-01 21:14:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
5页	104K
描述
IC PLL FREQUENCY SYNTHESIZER, 1100 MHz, UUC, DIE, PLL or Frequency Synthesis Circuit

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ADF4207BCHIPS 数据手册

Preliminary Technical Data

Dual PLL Frequency Synthesizer

ADF4206/ADF4207/ADF4208

FEATURES

GE NE RAL D E SC RIP T IO N

ADF4206:

ADF4207:

ADF4208:

+2.7 V to +5.5 V Pow er Supply

Selectable Charge Pum p Currents

Selectable Dual Modulus Prescaler

3-Wire Serial Interface

500MHz/ 500MHz

1.1GHz/ 1.1GHz

2.0GHz/ 1.1GHz

T he ADF4206/ADF4207/ADF4208 is a dual frequency

synthesizer which can be used to implement local oscil-

lators in the up-conversion and down-conversion sec-

tions of wireless receivers and transmitters. T hey consist

of a low-noise digital PFD (Phase Frequency Detector),

a precision charge pump, a programmable reference

divider, programmable A and B counters and a dual-

modulus prescaler (P/P+1). T he A (6-bit) and B (11-

bit) counters, in conjunction with the dual modulus

prescaler (P/P+1), implement an N divider (N= BP+A).

In addition, the 14-bit reference counter (R Counter),

allows selectable REFIN frequencies at the PFD input.

A complete PLL (Phase-Locked Loop) can be imple-

mented if the synthesizers are used with an external loop

filter and VCO's (Voltage Controlled Oscillators)

Pow er Dow n Mode

APPLICATIONS

Portable Wireless Com m unications (PCS/ PCN, Cordless)

Cordless and Cellular Telephone System s

Wireless Local Area Netw orks (WLANs)

Cable TV Tuners (CATV)

Pagers

Control of all the on-chip registers is via a simple 3-wire

interface.

T he devices operate with a 3V ( ± 10%) or 5V( ± 10%)

power supply and can be powered down when not in

use.

FUNCTIO NAL BLO CK D IAGRAM

V 2

ADF4206/ADF4207/ADF4208

SWALLOW

CO NTROL

RF2_IN

17-B IT RF

R F

N-C OUNTER

PRESC ALE

RF2_IN

CH ARGE

PUMP

RF2

PHASE

CO MPAR ATOR

14-BIT RF 2

R-C OUNT ER

LOCK

DETECT

OSCIN

OSCILLATOR

OSCOUT

OUTPUT

M UX

MUXOUT

CLOCK

DATA

22-BIT

DAT A

SDOUT

LOCK

DETECT

17-BIT R F

N-COUNTER

RF1_INA

RF1_INB

R F

PRESC ALE

CH ARGE

PUMP

RF1

14-BIT RF

R-C OUNT ER

PHASE

CO MPAR ATOR

SWALL OW

CONTRO L

DGND

AGND

DGND

AGND

RF2 RF2

RF1

REV.PrD 07/99

Inform ation furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assum ed by Analog Devices for its use, nor for any

infringem ents of patents or other rights of third parties which m ay result from its use.

No license is granted by im plication or otherwise under any patent or patent rights of

Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 781-329-4700 Fax: 781-326-8703

12 3 4 5

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与ADF4207BCHIPS相关器件

型号	品牌	获取价格	描述	数据表
ADF4207BRU	ADI	获取价格	Dual RF PLL Frequency Synthesizers
ADF4207BRU-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16, TSSOP-16, PLL or Frequency Synthesis Circu
ADF4208	ADI	获取价格	Dual RF PLL Frequency Synthesizers
ADF4208BCHIPS	ADI	获取价格	暂无描述
ADF4208BRU	ADI	获取价格	Dual RF PLL Frequency Synthesizers
ADF4208BRU-REEL7	ADI	获取价格	IC PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20, TSSOP-20, PLL or Frequency Synthesis Circu
ADF4208BRUZ	ADI	获取价格	Dual, Integer-N 1.1 GHz / 2.0 GHz PLL
ADF4208BRUZ-R7	ADI	获取价格	Dual, Integer-N 1.1 GHz / 2.0 GHz PLL
ADF4208BRUZ-REEL	ADI	获取价格	暂无描述
ADF4208BRUZ-RL	ADI	获取价格	暂无描述

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