Datasheet > HMC983LP5E

HMC983LP5E

更新时间： 2022-11-07 18:15:09

品牌	Logo	应用领域
HITTITE		/
页数	文件大小	规格书
32页	2255K
描述
DC - 7 GHZ FRACTIONAL-N DIVIDER AND FREQUENCY SWEEPER

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HMC983LP5E 数据手册

HMC983LP5E

v00.0911

DC - 7 GHZ FRACTIONAL-N DIVIDER

AND FREQUENCY SWEEPER

Typical Applications

The HMC983LP5E is suitable for:

• Test Equipment

Features (Continued)

Integrated Frequency Sweeper

- Linear, Coherent Sweeps

- 2-Way, 1-Way, & User Deﬁned Sweep Modes

- Automatic or Triggered

• Portable Instruments

- Programmable Seed

-SPI & External Triggering

• High Performance Fractional-N Frequency Synthe-

sizers with Ultra Low Spurious

5-GPIO’s, can be used for External DSM

• Stand-Alone Divider and/or Delta-Sigma Modulator

Cycle Slip Prevention Support with PFD Chip

(HMC984LP4E)

Features

Wideband: DC - 7 GHz Input

-20-bit Frequency Divider

Differential VCO Input & Divider Output

Programmable Output Current Control:

-5 mA to 17.5 mA Open Collector Output Driver

Low Noise: -160 dBc/Hz

32 pin, 5 x 5 mm, LP5 Package

Low Spurious: Largest Spurious - 95 dBc

48-bit 100 MHz Delta-Sigma Modulator (DSM)

- Conﬁgurable DSM Size

- Programmable Seed

General Description

Functional Diagram

HMC983LP5E is

a fractional frequency divider

targeted for fractional-N frequency synthesis, and

stand-alone low noise frequency divider applications

that require exceptional spurious performance.

Although the HMC983LP5E can work with any VCO

and/or compatible Phase Detector, best performance

and features will be achieved when paired with the

companion part, the HMC984LP4E.

Fabricated in SiGe BiCMOS process, the

HMC983LP5E features

48-bit Delta Sigma

Fractional Modulator (DSM) with programmable

phase accumulator size, enabling precise control of

frequency step size and resolution. Integrated DSM

can generate frequencies with nearly 0 Hz frequency

error. The DSM also includes a built-in programmable

frequency sweep capability, with various automatic

and user deﬁned sweep modes and triggering options,

including hardware trigger pin, or SPI trigger with

optional delayed trigger.

HMC983LP5E is a versatile part capable of various

conﬁgurations. It has 5 general purpose I/Os (GPIOs).

DSM outputs are made available from the GPIO port,

enabling the HMC983LP5E to import and/or export

DSM sequences for various conﬁguration options.

HMC983LP5E divider outputs are differential, open

collector with programmable current to accommodate

different off-chip loads.

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com

Application Support: apps@hittite.com

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