AT-109 Tyco Electronics, AT-109 Datasheet

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AT-109

Manufacturer Part Number
AT-109
Description
Manufacturer
Tyco Electronics
Datasheet

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AT-109
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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
1
, 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
1
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
mV
dB
dB
dB
dB
dB
dB
S
S
SOIC 8-Lead Plastic Package
Forward Tape & Reel*
Reverse Tape & Reel*
Min.
35
30
Package
Typ.
±0.5
±1.2
2.5
3.2
2:1
25
35
12
AT-109
Max
±0.8
±1.5
V 2.00
2.7
3.5

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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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