Active Bias Controllers for RF Transistor

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Infineon offers two active bias controllers for various applications like cellular and cordless phones, DECT, WLAN, PHS and RF modems. The controllers are stabilizing the bias current for NPN transistors and FET’s. The main features are:


  • Stable bias current supply, even at low battery voltage
  • Low voltage drop
  • Qualified according to AEC Q101
  • Small outline SOT 343 package

Product OPN Product Status Order Online Packages Green VS ID (multiple) Ptot Vdrop
Matching Results: 2                  
descending ascending           descending ascending descending ascending descending ascending descending ascending descending ascending


active and preferred

Buy online


1.8 V
18.0 V
10 mA
330.0 mW
0.65 V


active and preferred




1.8 V
18.0 V
0.5 mA
100.0 mW
0.11 V

Application Notes

Title Size Date Version
507 KB 10 May 2011

Product Brochure

Title Size Date Version
2.5 MB 20 Jan 2017 01_00

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