An amplifier circuit operable to provide symmetric current limiting. The amplifier circuit includes a common source amplifier for sourcing a current and receiving an voltage input, a current source, and a current limiting device coupled between the common source amplifier and the current source. The...http://www.google.de/patents/US7196586?utm_source=gb-gplus-sharePatent US7196586 - Oscillator amplifier circuit operable to provide symmetric current limiting and method of same
