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M/A-Com - Voltage Variable Absorptive Attenuator

Numéro de référence AT259
Description Voltage Variable Absorptive Attenuator
Fabricant M/A-Com 
Logo M/A-Com 





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AT259 fiche technique
Voltage Variable Absorptive Attenuator
12 dB, DC-2.0 GHz
Features
Attenuation: 12 dB at 1 GHz
Low Intermodulation Products
Low DC Power Consumption: 50 µW
Single Voltage Control: 0 to -4 Volts
Nanosecond Switching Speed
Temperature Range: -40°C to +85°C
SOT-143 Plastic Package
Tape and Reel Packaging Available
Description
M/A-COM’s AT-259 is a GaAs MMIC voltage
variable absorptive attenuator in a low cost SOT-143
4-Lead surface mount plastic package. The AT-259
is ideally suited for use where attenuation fine
tuning, fast switching and very low power
consumption are required.
Typical applications include radio, cellular, GPS
equipment and other automatic gain/level control
circuits.
The AT-259 is fabricated with a monolithic GaAs
MMIC using a mature 1 micron process. The
process features full chip passivation for increased
performance and reliability.
Ordering Information
Part Number
AT-259
AT-259TR
Package
SOT 4-Lead Plastic Package
Forward Tape and Reel
Note: Reference Application Note M513 for reel size
information.
Functional Schematic
43
AT-259
V4
12
Pin Configuration
Pin No.
1
2
Function
Ground
VC
Pin No.
3
4
Function
RF2
RF1
Absolute Maximum Ratings 1
Parameter
Input Power
Control Voltage
Operating Temperature
Storage Temperature
Absolute Maximum
+21 dBm
+5V, -8.5V
-40°C to +85°C
-65°C to +150°C
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.

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