Description
Class H03B : 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
Subclass 5/16: Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance frequency-determining element connected via bridge circuit to closed ring around which signal is transmitted active element in amplifier being vacuum tube