Datasheet > HMC425_09

HMC425_09

更新时间： 2022-11-07 16:38:05

品牌	Logo	应用领域
HITTITE		衰减器
页数	文件大小	规格书
6页	238K
描述
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz

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HMC425_09 数据手册

HMC425

v02.0907

0.5 dB LSB GaAs MMIC 6-BIT DIGITAL

POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz

Typical Applications

Features

The HMC425 is ideal for:

0.5 dB LSB Steps to 31.5 dB

Single Control Line Per Bit

0.5 dB Typical Bit Error

• Fiber Optics & Broadband Telecom

• Microwave Radio & VSAT

• Military Radios, Radar, & ECM

• Space Applications

Die Size: 1.5 x 0.85 x 0.1 mm

General Description

Functional Diagram

The HMC425 die is a broadband 6-bit GaAs IC

digital attenuator MMIC chip. Covering 2.4 to 8 GHz,

the insertion loss is less then 3.5 dB typical. The

attenuator bit values are 0.5 (LSB), 1, 2, 4, 8, and

16 dB for a total attenuation of 31.5 dB. Attenuation

accuracy is excellent at 0.5 dB typical step error

with an IIP3 of +40 dBm. Six control voltage inputs,

toggled between 0 and +3 to +5V, are used to select

each attenuation state. A single Vdd bias of +3 to +5V

is required.

Electrical Speciﬁcations,

T_A= +25° C, With Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)

Parameter

Frequency (GHz)

Min.

Typ.

Max.

Units

2.4 - 6.0 GHz

6.0 - 8.0 GHz

2.7

3.5

3.2

4.0

Insertion Loss

Attenuation Range

2.4 - 8.0 GHz

31.5

Return Loss (RF1 & RF2, All Atten. States)

Attenuation Accuracy: (Referenced to Insertion Loss)

Input Power for 0.1 dB Compression

All States

0.4 + 4% of Atten. Setting Max

Vdd= 5V

Vdd= 3V

dBm

2.4 - 8.0 GHz

Input Third Order Intercept Point

(Two-Tone Input Power= 0 dBm Each Tone)

REF - 16.0 dB States

16.5 - 31.5 dB States

dBm

2.4 - 8.0 GHz

Switching Characteristics

tRISE, tFALL (10/90% RF)

tON/tOFF (50% CTL to 10/90% RF)

160

180

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

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