A bias circuit according to the present invention includes a monitoring circuit having a second FET and a resistance connected to a drain of the second FET for monitoring a drain current of a first FET to be supplied with a gate bias; a differential circuit including a third FET having a gate supplied...http://www.google.fr/patents/US6873830?utm_source=gb-gplus-shareBrevet US6873830 - Bias circuit and radio communication apparatus using same
Bias circuit and radio communication apparatus using same
