Datasheet > AT-246PIN

AT-246PIN

更新时间： 2024-09-17 23:31:59

品牌	Logo	应用领域
其他 - ETC		射频微波衰减器
页数	文件大小	规格书
2页	69K
描述
Digital Attenuator， 1Bit， Variable Step 10-20dB， DC-3000MHz

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AT-246PIN 数据手册

Digital Attenuator, 1 Bit, Variable Step, 10 - 20 dB, DC - 3000 MHz

AT-246

Digital Attenuator, 1 Bit, Variable Step

10 - 20 dB, DC - 3000 MHz

Features

MSOP-8¹

•

Variable Step (10 - 20 dB) with an External Resistor

Matched Input and Output

Low Intermodulation Product: +53 dBm IP₃

Low DC Power Consumption: 50 µW

Low Cost, Low Profile MSOP 8 Plastic Package

Tape and Reel Packaging Available

.010

ID P IN

0.007

12°

0.118

0.193

0.0215

.020

0.0256

.020

Description

M/A-COM’s AT-246 is a GaAs MMIC matched 1 bit attenuator

in a low cost plastic MSOP-8 package. It is designed to be a

building block for a single step attenuator by placing a resistor

across RF1-RF2. Attenuation levels of 10 to 20 dB with flat

response are achievable from DC to 3 GHz. The AT-246 is

ideally suited for circuits where fast switching, very low power

consumption and low intermodulation products are required.

Typical applications include gain/level and sensitivity control in

radio and cellular equipment, wireless LAN’s, GPS equipment

and other gain/level control circuits.

0.118

4X 12°

3°

0.040

0.034

0.008

0.013

1. Dimensions are in inches.

The AT-246 is fabricated using a mature 1-micron gate length

GaAs MESFET process. The process features full chip passiva-

tion for increased performance and reliability.

Ordering Information

Part Number

Package

AT-246 PIN

AT-246TR

MSOP-8 Lead Plastic

Forward Tape and Reel¹

1. If specific reel size is required, consult factory for part number

assignment.

Electrical Specifications: T_A= +25°C^{1, 2}

Parameter

Reference Insertion Loss

Attenuation Flatness

Test Conditions

Units

Min.

Typ.

0.8

±0.5

±1.5

1.3:1

Max.

1.0

±1.0

±2.0

DC - 3.0 GHz

DC - 1.5 GHz

1.5 - 3.0 GHz

DC - 3.0 GHz

Input Power

VSWR

1 dB Compression

50 MHz

500 MHz

dBm

10% to 90% RF, 90% to 10% RF

50% Control to 90% RF, Control to 10% RF

In-band

T_rise, T_fall

T_on, T_off

Transients

IP₂

µS

dBm

Measured Relative

to Input Power²

Measured Relative

to Input Power²

50 MHz

500 MHz

50 MHz

IP₃

500 MHz

1. All measurements in a 50Ω system unless otherwise specified. Loss varies at 0.003 dB/°C.

2. For two-tone Input Power up to +5 dBm.

V2.00

M/A-COM Division of AMP Incorporated Q North America: Tel. (800) 366-2266, Fax (800) 618-8883 Q Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087

Q Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020

www.macom.com

AMP and Connecting at a Higher Level are trademarks.

Specifications subject to change without notice.

中文翻译

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