AA103-72LF Buy Now
GaAs IC 1 Bit Digital Attenuator 10 dB LSB DC - 2.5 GHz

The AA103-72 is a 1 bit GaAs IC FET digital attenuator in a low cost package. This attenuator has an LSB of 10 dB. The AA103-72 is particularly suited where high attenuation accuracy, low insertion loss and low intermodulation products are required.Typical applications include cellular radio, wireless data, and wireless local loop gain level control circuits.


  • Attenuation Cutback of 10 dB
  • Single Positive 3 V Control
  • Low Loss
  • Low Cost SOT-5 Plastic Package
Data Sheets AA103-72, AA103-72LF: GaAs IC 1-Bit Digital Attenuator 10 dB LSB LF 2.5 GHz 200199C.pdf (331 KB)
Application Notes Suggested PCB Land Pattern Designs for Leaded and Leadless Packages and Detailed Surface Mount Guidelines for Leadless Packages 200123K.pdf (750 KB)
Application Notes 6 Bit 63 dB IF Digital Attenuator Solution 1-500 MHz 200622B.pdf (110 KB)
Application Notes 6 Bit 63 dB RF Digital Attenuator Solution 500-2000 MHz 200623B.pdf (58 KB)
Application Notes GaAs FETs as Control Devices APN2015.pdf (423 KB)
Application Notes APN2018:Silicon Drivers for Commercial IC Products APN2018.pdf (414 KB)
Application Notes APN2019:Switch Power Characteristics APN2019.pdf (412 KB)
Designer Info AA103-72: S-Parameters AA103-72.zip (457 KB)
Designer Info IC Package List ICPkgList_12-02.pdf (49 KB)
Designer Info VSWR, Return Loss and Transmission Loss vs. Transmitted Power VSWRreturn.pdf (401 KB)
ProductName : AA103-72LF
Frequency (GHz) : LF-2.5
Control Bits/ Interface Parallel/Serial : 1/P
Attenuation Range (dB) : 10
LSB Attenuation (dB) : 10
Typ. IL (dB) : 0.3-0.4
Typ. IIP3 (dBm) : 41
Typ. IP1 dB (dBm) : 20
Package (mm) : SOT-23 5L, 2.8 x 2.9 x 1.18
Product Information:
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