(under subclass 131) Subject matter including a circuit portion which supplies a particular level of electrical current therethrough or a circuit portion having collector current matching in a pair of transistors having their bases and emitters tied together.
SEE OR SEARCH THIS CLASS, SUBCLASS:
133, for linearization in a sawtooth or triangular wave generator.
540+, for current source regulating in a stabilized bias circuit.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems, for generic current regulation.