Datasheet > DR65-0002_1

DR65-0002_1

更新时间： 2024-11-25 03:30:27

品牌	Logo	应用领域
泰科 - TE		驱动器二极管衰减器
页数	文件大小	规格书
2页	151K
描述
Linear Driver for PIN Diode Attenuators

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DR65-0002_1 数据手册

Linear Driver for PIN Diode Attenuators

DR 6 5 -0 0 0 2

V 4

Features

SOW -16

Linearizes PIN Diode Attenuators Over a W ide

Attenuation Range

Output Currents up to 12 mA

Operates with a Single Supply Voltage of +3V to

+12V

Low Quiescent Currents

Single Control Voltage

SOW -16, W ide Body Plastic Package

Test Boards are Available

Tape and Reel Packaging Available

Description

M/A-COM's DR65-0002 is a break point free driver

that produces a logarithmic output current suitable

for linearizing PIN diode based shunt attenuators.

This driver, in conjunction with customer defined

external components, produces a linear transfer

function (dB/V) between the input control voltage of

the driver and the attenuation output of the PIN

attenuator. The DR65-0002 has been optimized for

linearizing M/A-COM‘s AT10-0009 or AT10-0017

attenuators, but will function well with most types of

cathode grounded, PIN attenuators. The driver is

packaged in a SOW -16 package for commercial

SMT applications. A typical schematic for a 30 dB,

7.5 dB/V linear attenuator is shown in Figure 1.

Package outline conforms to JEDEC standard MS-013AA

Circuit Description:

(Reference Figures 1 and 2)

The input divider, R1 and the sum of R2 and R3, sets

the overall transfer function of the circuit. To increase

the transfer function, decrease the Control Voltage and

the value of R1. Varying the value of R4 will optimize

the linearity of the circuit. One can achieve a very linear

transfer function (<± 1 dB/V) by driving the attenuator

over a smaller portion of its dynamic range. In the case

of the AT10-0009 and AT10-0017 attenuators, this

would be limited to a dynamic range of 28 and 25 dB,

respectively. Temperature compensation is a function

temperature coefficient of the thermistor, R3, and the

ratio of R2 to R3, and can only be optimized once the

transfer function and linearity component values have

been established.

Ordering Information

Part Number

Package

DR65-0002

Bulk Packaging

DR65-0002TR

Tape & Reel (1K Reel)

DR65-0002-TBG

Test Board with Circuit per Figure 1

(AT10-0009, GSM Attenuator)

DR65-0002-TBP

Test Board with Circuit per Figure 1

(AT10-0017, PCS Attenuator)

* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.

M/A-COM Inc. and its affiliates reserve the right to make changes to the

product(s) or information contained herein without notice. M/A-COM makes

no warranty, representation or guarantee regarding the suitability of its

products for any particular purpose, nor does M/A-COM assume any liability

whatsoever arising out of the use or application of any product(s) or

information.

• North America Tel: 800.366.2266 / Fax: 978.366.2266

• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300

• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298

Visit www.macom.com for additional data sheets and product information.

中文翻译

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与DR65-0002_1相关器件

型号	品牌	获取价格	描述	数据表
DR65-0002-TBG	TE	获取价格	Voltage Variable Absorptive Attenuator, 800 - 1000 MHz
DR65-0002-TBP	TE	获取价格	Voltage Variable Absorptive Attenuator, 1700 - 2000 MHz
DR65-0002TR	TE	获取价格	Linear Driver for PIN Diode Attenuators
DR65-0002-TR	TE	获取价格	Linear Driver for PIN Diode Attenuators
DR65-0003	TE	获取价格	SPDT PIN Diode Driver
DR65-0003TR	TE	获取价格	SPDT PIN Diode Driver
DR65-0003-TR	ETC	获取价格	SPDT PIN Diode Driver Up to +/- 50 mA in 25 nS
DR65-0008	TE	获取价格	Quad Positive Voltage Driver for GaAs FET Switches and Attenuators
DR65-0008-TR	TE	获取价格	Quad Positive Voltage Driver for GaAs FET Switches and Attenuators
DR65-001TR	TE	获取价格	Quad Driver for GaAs FET Switches and Attenuators

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