AT-109 Tyco Electronics, AT-109 Datasheet

AT-109

Manufacturer Part Number

AT-109

Description

Manufacturer

Tyco Electronics

Datasheet

1.AT-109.pdf (3 pages)

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Voltage Variable Absorptive Attenuator, 35 dB

0.5 - 2 GHz

F e a t u r e s

D e s c r i p t i o n

absorptive attenuator in a low-cost SOIC 8-lead surf a c e

mount plastic package. The AT-109 is more linear than

the higher attenuation range AT-108. The AT-109 is ide-

ally suited for use where linear attenuation fine tuning

and very low power comsumption are re q u i red. Ty p i c a l

automatic gain/level control circ u i t s .

The AT-109 is fabricated with a monolithic GaAs MMIC

using a mature 1-micron process. The process feature s

full chip passivation for increased perf o rmance and re l i-

a b i l i t y .

M/A-COM’s AT-109 is a GaAs MMIC voltage variable

applications include radio, cellular, GPS equipment and

1. All measurements at 1 GHz in a 50-

Electrical Specifications

(Peak-to-Peak)

Insertion Loss

Single Positive Voltage Control 0 to +5 Vo l t s

35 dB Attenuation Range at 0.9 GHz

±2 dB Linearity from BSL

Low DC Power Consumption

Te m p e r a t u re Range: -40°C to +85°C

Low-Cost SOIC 8 Plastic Package

Tape and Reel Packaging Av a i l a b l e

from ground or any other voltage.

Attenuation

Trise, Tfall

Transients

Flatness

Ton, Toff

Parameter

VSWR

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

, T A = +25°C

system, unless otherwise specified.The RF ports must be blocked outside of the package

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

Test Conditions

In-band

0.5 - 1.0 GHz

1.0 - 2.0 GHz

0.5 - 1.0 GHz

1.0 - 2.0 GHz

0.5 - 1.0 GHz

1.0 - 2.0 GHz

S O - 8

O rdering Info r m a t i o n

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

assignment.

AT-109

AT-109TR

AT-109RTR

Part No.

Unit

SOIC 8-Lead Plastic Package

Forward Tape & Reel*

Reverse Tape & Reel*

Min.

Package

Typ.

±0.5

±1.2

2.5

3.2

2:1

AT-109

Max

±0.8

±1.5

V 2.00

2.7

3.5

Related parts for AT-109

AT-109 Summary of contents

Page 1

... SOIC 8-lead surf mount plastic package. The AT-109 is more linear than the higher attenuation range AT-108. The AT-109 is ide- ally suited for use where linear attenuation fine tuning and very low power comsumption are red applications include radio, cellular, GPS equipment and automatic gain/level control circ ...

Page 2

... Absolute Maximum Ratings Parameter Absolute Maximum Maximum Input Power Supply Voltage V CC Control Voltage V CC Operating Temperature Storage Temperature 1. Operation of this device above any one of these parameters may cause permanent damage. Typical Performance ATTENUATION CONTROL VOLTAGE vs @ +25° 1800 MHz 0 -5 -10 ...

Page 3

RETURN LOSS CONTROL VOLTAGE vs @ +25° 900 MHz 0 -10 -20 -30 - CONTROL VOLTAGE (VOLTS) IP CONTROL VOLTAGE 900 MHz 400 MHz ...

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