AT20-0273 MACOM [Tyco Electronics], AT20-0273 Datasheet

AT20-0273

Manufacturer Part Number

AT20-0273

Description

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

Manufacturer

MACOM [Tyco Electronics]

Datasheet

1.AT20-0273.pdf (3 pages)

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Price

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Bonase Electronics (HK) Co., Limited

Part Number:

AT20-0273

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Part Number:

AT20-0273

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Digital Attenuator, 32 dB, 2-Bit,

TTL Driver, DC - 2 GHz

Features

Description

M/A-COM’s

attenuator with a 16 dB minimum step size and 32 dB total

attenuation. This attenuator and integral TTL driver is in a

sealed ceramic 16-lead surface mount package.

AT20-0273 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.

enhanced

Environmentally screenable as P/N AT-273.

1. All specifications apply when operated with bias voltages of +5V for Vcc and –5.0V for Vee.

2. This attenuator is guaranteed monotonic.

Electrical Specifications: T

Reference Insertion Loss

Attenuation: 16 dB steps to 32 dB

Temperature Stability: ± 0.18 dB from –40°C to +85°C

Typical

Low DC Power Consumption

Surface Mount Package

Integral TTL Driver

Low Cost/High Performance

50 Ohm Nominal Impedance

Attenuation Accuracy

1 dB Compression

Parameter

Trise, Tfall

Transients

Ton, Toff

Input IP3

Input IP2

VSWR

performance

Vee

Vcc

AT20-0273

fully

50% Control to 90/10% RF

For two-tone Input Power

Full Attenuation (32 dB)

In-Band (peak-peak)

GaAs

Test Conditions

hermetic

Up to +5 dBm

10% to 90%

Input Power

Available with

C1 Bit

FET

—

= 25°C

version.

digital

The

CR-11

DC - 0.5 GHz

DC - 1.0 GHz

DC - 2.0 GHz

DC - 0.5 GHz

DC - 1.0 GHz

DC - 2.0 GHz

0.5 - 2.0 GHz

Frequency

0.05 GHz

—

Units

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

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

Ratio

dBm

± 3% of attenuation setting in dB

Min

-8.0

4.5

—

Typ

150

+20

+28

+38

+48

+44

+68

1.2

1.3

1.5

5.0

—

Max

1.4:1

V 3.00

-5.0

1.6

1.7

1.9

5.5

—

Related parts for AT20-0273

AT20-0273 Summary of contents

Page 1

... This attenuator and integral TTL driver sealed ceramic 16-lead surface mount package. AT20-0273 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 ...

Page 2

... RF2 GND 16 dB GND GND 16 dB GND C1 GND Orientation Mark C2 PIN 1 Frequency Units Min — mA — — mA — Truth Table Control Input TTL Low 1 = TTL High AT20-0273 V 3.00 Typ Max — 2.0 — 1.0 Attenuation Reference ...

Page 3

... Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. +25°C -55°C 1.0 1.5 2.0 2.5 3 Frequency (GHz State 32 dB State 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) AT20-0273 Attenuation Accuracy vs. Frequency Full Attenuation 16 dB bit 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -5.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) Ordering Information Part Number Package AT20-0273 CR-11 V 3.00 2.5 3.0 3 ...

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