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Microwave Wideband Synthesizer

with Integrated VCO

Data Sheet

ADF5355

FEATURES

RF output frequency range: 54 MHz to 13,600 MHz

Fractional-N synthesizer and integer-N synthesizer

High resolution 38-bit modulus

Phase frequency detector (PFD) operation to 125 MHz

Reference frequency operation to 600 MHz

Maintains frequency lock over −40°C to +85°C

Low phase noise, voltage controlled oscillator (VCO)

Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output

Analog and digital power supplies: 3.3 V

Charge pump and VCO power supplies: 5 V, typical

Logic compatibility: 1.8 V

Programmable dual modulus prescaler of 4/5 or 8/9

Programmable output power level

RF output mute function

Analog and digital lock detect

Supported in the ADIsimPLL design tool

APPLICATIONS

Wireless infrastructure (W-CDMA, TD-SCDMA,

WiMAX, GSM, PCS, DCS, DECT)

Point to point/point to multipoint microwave links

Satellites/VSATs

Test equipment/instrumentation

Clock generation

GENERAL DESCRIPTION

The ADF5355 allows implementation of fractional-N or

integer-N phase-locked loop (PLL) frequency synthesizers

when used with an external loop filter and an external reference

frequency. The wideband microwave VCO design permits

frequency operation from 6.8 GHz to 13.6 GHz at one radio

frequency (RF) output. A series of frequency dividers at another

frequency output permits operation from 54 MHz to 6800 MHz.

The ADF5355 has an integrated VCO with a fundamental

output frequency ranging from 3400 MHz to 6800 MHz. In

addition, the VCO frequency is connected to divide by 1, 2, 4, 8,

16, 32, or 64 circuits that allow the user to generate RF output

frequencies as low as 54 MHz. For applications that require

isolation, the RF output stage can be muted. The mute function

is both pin and software controllable.

Control of all on-chip registers is through a simple 3-wire interface.

The ADF5355 operates with analog and digital power supplies

ranging from 3.15 V to 3.45 V, with charge pump and VCO

supplies from 4.75 V to 5.25 V. The ADF5355 also contains

hardware and software power-down modes.

FUNCTIONAL BLOCK DIAGRAM

Figure 1.

MUXOUT

CPOUT

VBIAS

REFIN

CLK

DATA

LE

AVDD

CREG1

CREG2

DVDD

VP

AGND

CE

CPGND

SDGND

AGNDVCO

RSET

VVCO

VTUNE

VREF

RFOUTB

RFOUTA+

RFOUTA–

VCO

CORE

PHASE

COMPARATOR

CHARGE

PUMP

OUTPUT

STAGE

OUTPUT

STAGE

PDBRF

MULTIPLEXER

10-BIT R

COUNTER

÷2

DIVIDER

×2

DOUBLER

FUNCTION

LATCH

DATA REGISTER

INTEGER

REG

N COUNTER

FRACTION

REG

THIRD-ORDER

FRACTIONAL INTERPOLATOR

MODULUS

REG

MULTIPLEXER

LOCK

DETECT

÷ 1/2/4/8/

16/32/64

ADF5355

REFINA

B

VRF

AGNDRF

VREGVCO

×2

AVDD

Rev. A

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rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No

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

Tel: 781.329.4700

Technical Support

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Số phần tương tự - ADF5355BCPZ

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	ADF5355BCPZ	795Kb / 38P	Microwave Wideband Synthesizer with Integrated VCO 8/2017-Rev. C to Rev D
Analog Devices	ADF5355BCPZ-RL7	795Kb / 38P	Microwave Wideband Synthesizer with Integrated VCO 8/2017-Rev. C to Rev D

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