Datasheet > 射频和微波 > 射频/微波衰减器> HMC274QS16E

HMC274QS16E

更新时间： 2024-02-06 04:28:33

品牌	Logo	应用领域
HITTITE		射频和微波射频衰减器微波衰减器
页数	文件大小	规格书
6页	224K
描述
1 dB LSB GaAs IC 5-BIT DIGITAL ATTENUATOR, 0.7 - 2.7 GHz

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技术参数
数据手册

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HMC274QS16E 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.26	射频/微波设备类型：	VARIABLE ATTENUATOR

HMC274QS16E 数据手册

HMC274QS16 / 274QS16E

v01.0505

1 dB LSB GaAs IC 5-BIT DIGITAL

ATTENUATOR, 0.7 - 2.7 GHz

Typical Applications

Features

The HMC274QS16 / HMC274QS16E is ideal for:

• Cellular/PCS/3G Infrastructure

• 2.4 GHz ISM Radios

1 dB LSB Steps to 31 dB

Single Positive Control (+3 to +5V) Per Bit

0.5 dB Typical Bit Error

Small QSOP16 Plastic Package

Included in the HMC-DK004 Designer’s Kit

• Wireless Data

Functional Diagram

General Description

The HMC274QS16 & HMC274QS16E are broadband

5-bit positive control GaAs IC digital attenuators in

16 lead QSOP plastic packages. Covering 0.7 to 2.7

GHz the insertion loss is typically less than 2.3 dB.

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

16 dB for a total attenuation of 31 dB. Accuracy

is excellent at 0.5 dB typical with an IIP3 of up to

+50 dBm. Five bit control voltage inputs, toggled

between 0 and +3 to +5 volts, are used to select

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

volts applied through an external 5K Ohm resistor is

required.

Electrical Speciﬁcations, T_A= +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd

Parameter

Frequency

Min.

Typical

Max.

Units

0.7 - 1.4 GHz

1.4 - 2.3 GHz

2.3 - 2.7 GHz

2.0

2.3

2.5

2.4

2.7

3.1

Insertion Loss

Attenuation Range

0.7 - 2.7 GHz

0.7 - 1.4 GHz

1.4 - 2.7 GHz

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

Attenuation Accuracy: (Referenced to Insertion Loss)

All Attenuation States

0.7 - 1.4 GHz

1.4 - 2.3 GHz

2.3 - 2.7 GHz

0.35 + 5ꢀ of Atten. Setting Max

0.25 + 3ꢀ of Atten. Setting Max

0.30 + 5ꢀ of Atten. Setting Max

Vdd = 5V

Vdd = 3V

dBm

Input Power for 0.1 dB Compression

0.7 - 2.7 GHz

Input Third Order Intercept Point

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

Vdd = 5V

Vdd = 3V

dBm

Switching Characteristics

tRISE, tFALL (10/90ꢀ RF)

tON, tOFF (50ꢀ CTL to 10/90ꢀ RF)

0.7 - 2.7 GHz

560

600

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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