Generation of oscillations using amplifier with regenerative feedback from output to input 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
Generation of oscillations using amplifier with regenerative feedback from output to input 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