.~.~ Combined with diverse-type feedback coupling {2}
93
.~.~.~ Including positive feedback
DEFINITION
Classification: 330/93
(under subclass 90) Subject matter including a signal feedback means whereby the feedback has a component in phase with the signal applied at the input electrode to which the signal feedback is applied.
SEE OR SEARCH THIS CLASS, SUBCLASS:
82, for push-pull amplifiers having positive and negative feedback.
89, for cathode-to-cathode feedback between adjacent stages.
101, for positive and negative feedbacks in the same path at different frequencies.
104, for positive and negative feedback, generally. 112, for positive feedback, generally.
SEE OR SEARCH CLASS
329, Demodulators,
367, for an amplitude demodulator utilizing regenerative feedback.
331, Oscillators, appropriate subclasses for oscillators operating on the positive feedback principle.
333, Wave Transmission Lines and Networks,
213+, for negative resistance and/or reactance networks of the active element type which usually include positive feedback.
455, Telecommunications,
336, for superregenerative receivers; and subclass 337 for regenerative receivers.
