active element in amplifier being semiconductor device

Full Title

Generation of oscillations using amplifier with regenerative feedback from output to input > with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator > active element in amplifier being semiconductor device

Classification Context

Section:

ELECTRICITY

Class:

ELECTRONIC CIRCUITRY

Subclass:

GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS

Scope Notes

Limiting references: Frequency-determining elements being part of bridge circuit in closed loop around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed loop