Datasheet > AT-273-TR

AT-273-TR

更新时间： 2024-10-01 23:32:03

品牌	Logo	应用领域
其他 - ETC		射频微波驱动衰减器
页数	文件大小	规格书
2页	33K
描述
Digital Attenuator， 32 dB， 2-Bit， TTL Driver， DC2.0 GHz

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AT-273-TR 数据手册

Digital Attenuator, 32 dB, 2-Bit, TTL Driver DC - 2.0 GHz

AT-273

Digital Attenuator, 32 dB, 2-Bit, TTL Driver

DC - 2.0 GHz

Features

CR-11

•

Attenuation: 16.0 dB Steps to 32 dB

Low DC Power Consumption

Hermetic Surface Mount Package

Integral TTL Driver

50 ohm Impedance

0.050 (1.27)

16 Places

0.050 TYP

(1.27)

ORIENTATION MARK

PIN 2

0.450

(11.43)

Temperature Stability: ±0.18 dB from -55°C to +85°C Typ.

Tape and Reel Packaging Available

7 EQUAL SPACES

@ .050 (1.27) Tol.

Non-Cumulative

0.015 ± 0.003

(0.38 ± 0.08)

16 Places

Pin 9

Description

Pin 8

M/A-COM's AT-273 is a GaAs FET digital attenuator with a 16.0

dB minimum step size and a 32 dB total attenuation range. This

attenuator and integral TTL driver is in a hermetically sealed

ceramic 16-lead surface mount package. The AT-273 is ideally

suited for use where accuracy, fast switching, very low power

consumption and low intermodulation products are required.

Typical applications include dynamic range setting in precision

receiver circuits and other gain/leveling control circuits. Environ-

mental screening is available. Contact the factory for information.

0.250

(6.35)

0.008 ± 0.002

(0.20 ± 0.05)

0.075 MAX

(1.91)

0.096

(2.44)

0.077

(1.96)

BOTTOM VIEW

Pin 9

Ordering Information

Part Number

AT-273

AT-273-TR

Package

Bulk Packaging

Tape and Reel¹

0.047 (1.19)

14 Places

1. Check with the factory for available quantities and reel size.

Electrical Specifications T_A= +25°C

Parameter

Test Conditions

Frequency

Units

Min

Typical

Max

Insertion Loss

—

DC - 0.5 GHz

DC - 1.0 GHz

DC - 2.0 GHz

—

1.6

1.7

1.9

Attenuation Accuracy

C1 Bit

Full Attenuation (32 dB)

DC - 2.0 GHz

DC - 0.5 GHz

DC - 1.0 GHz

DC - 2.0 GHz

± 3% of attenuation setting in dB

± 3% of attenuation setting in dB, -1 dB

± 3% of attenuation setting in dB, -3 dB

VSWR

Full Range

DC - 2.0 GHz

Ratio

—

1.6:1

Trise, Tfall

Ton, Toff

Transients

10% to 90%

50% Cntl to 90%/10% RF

In-Band (peak to peak)

—

V5.00

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.

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