Datasheet > 290E

290E

更新时间： 2024-10-31 02:56:23

品牌	Logo	应用领域
HITTITE		衰减器
页数	文件大小	规格书
6页	242K
描述
2 dB LSB GaAs MMIC 2-BIT DIGITAL ATTENUATOR, 0.7 - 4.0 GHz

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290E 数据手册

HMC290 / 290E

v01.0605

2 dB LSB GaAs MMIC 2-BIT DIGITAL

ATTENUATOR, 0.7 - 4.0 GHz

Typical Applications

The HMC290 / HMC290E is ideal for:

• Cellular

Features

2 dB LSB Steps to 6 dB

Single Positive Control Per BIT

+/-0.2 dB Typical Bit Error

Miniature SOT 26 Package: 9 mm²

• PCS, ISM, MMDS

• WLL Handset & BaseStation

Functional Diagram

General Description

The HMC290 & HMC290E are broadband 2 - bit

positive control GaAs IC digital attenuators in 6 lead

SOT26 surface mount plastic packages. Covering 0.7

to 4 GHz, the insertion loss is typically less than 0.7

dB. The attenuator bit values are 2 (LSB) and 4 dB for

a total attenuation of 6 dB. Accuracy is excellent at

0.2 dB typical with an IIP3 of up to +52 dBm. Two bit

control voltage inputs, toggled between 0 and +3 to

+5 volts, are used to select each attenuation state at

less than 50 uA each. A single Vdd bias of +3 to +5

volts applied through an external 5K Ohm resistor is

required. Occupying less than 9 mmꢀ, this is the small-

est 2 - bit digital attenuator available.

Electrical Specifications,

T_A= +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd (Unless Otherwise Stated)

Parameter

Frequency

Min.

Typical

Max.

Units

0.7 - 1.4 GHz

1.4 - 2.3 GHz

2.3 - 2.7 GHz

2.7 - 4.0 GHz

0.5

0.6

0.8

0.7

0.8

0.9

1.2

Insertion Loss

Attenuation Range

0.7 - 4.0 GHz

0.7 - 2.7 GHz

2.7 - 4.0 GHz

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

Attenuation Accuracy: (Referenced to Insertion Loss)

0.2 + 2% of Atten. Setting Max

0.3 + 2% of Atten. Setting Max

2, 4 dB States

6 dB States

0.7 - 4.0 GHz

dBm

Input Power for 0.1 dB Compression

Input Third Order Intercept Point

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

0.7 - 4.0 GHz

dBm

Switching Characteristics

tRISE, tFALL (10/90% RF)

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

0.7 - 4.0 GHz

400

420

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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