HMC425LP3ETR

更新时间： 2024-01-09 22:00:02

品牌	Logo	应用领域
HITTITE		射频和微波射频衰减器微波衰减器
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6页	202K
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HMC425LP3ETR 数据手册

HMC425LP3

v00.0202

MICROWAVE CORPORATION

0.5 dB LSB GaAs MMIC 6-BIT DIGITAL

POSITIVE CONTROL ATTENUATOR, 2.4 - 8.0 GHz

Typical Applications

Features

The HMC425LP3 is ideal for:

• WLAN & Point-to-Multi-Point

• Fiber Optics & Broadband Telecom

• Microwave Radio & VSAT

• Military

0.5 dB LSB Steps to 31.5 dB

Single Control Line Per Bit

+/- 0.5 dB Typical Bit Error

Single +5V Supply

3 mm x 3 mm x 1 mm SMT Package

Functional Diagram

General Description

The HMC425LP3 is a broadband 6-bit GaAs IC

digital attenuator in a low cost leadless surface

mount package. Covering 2.4 to 8.0 GHz, the

insertion loss is less then 3.8 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. Attenua-

tion accuracy is excellent at ± 0.5 dB typical step

error with an IIP3 of +40 dBm. Six control volt-

age 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)

Frequency

(GHz)

Parameter

Min.

Typ.

Max.

Units

2.4 - 6.0 GHz

6.0 - 8.0 GHz

3.0

3.8

3.5

4.3

Insertion Loss

Attenuation Range

2.4 - 8.0 GHz

31.5

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

Attenuation Accuracy:

(Referenced to Insertion Loss)

All States

2.4 - 8.0 GHz

± 0.5 + 5% of Atten. Setting Max.

Vdd = 5V

Vdd = 3V

dBm

Input Power for 0.1 dB Compression

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:

12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order Online at www.hittite.com

9 - 92

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