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RF/Microwave  

Attenuator comes in miniature package

Posted: 16 Jul 2009     Print Version  Bookmark and Share

Keywords:attenuator  broadband  WiMAX 

ALM-38140 attenuator

Avago Technologies has released a new fully matched wideband variable attenuator module for use in a wide range of broadband system applications.

The ALM-38140 is a 50MHz to 4GHz PIN diode attenuator module. The fully integrated solution uses Avago's low distortion silicon PIN diodes housed in a miniature 3.8mm x 3.8mm x 1mm multiple-chip-on board package with 6-pin configuration pads. It is designed for use wireless infrastructure applications such as CATV, W-CDMA, VSAT, WiMAX and cellular base station applications.

Designed with broadband input and output match, Avago's ALM-38140 does not require any external RF matching component to operate. Additionally, narrow band performance enhancement can be easily achieved by applying a single external inductor. The ALM-38140 also features high power handling capabilities (P1dB>30dBm @ 1,900MHz), great linearity performance (IIP3: 60dBm @ 1,900MHz) and superior dynamic range (35dB @ 1,900MHz). With broadband coverage, this miniature variable attenuator module is suitable for use in automatic gain control and temperature compensation circuitry applications which operate within the 50MHz to 4,000MHz frequency range.

The ALM-38140 attenuator module is Pb-free and RoHS compliant. Samples and production quantities are available now.





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