Oscillator and signal processing apparatus

S Yoshizawa - US Patent App. 18/252,383, 2023 - Google Patents
H03B5/12—Generation of oscillations using amplifier with regenerative feedback from
output to input with frequency-determining element comprising lumped inductance and …

Coupled frequency doubler with frequency tracking loop

S Dongseok, HS Kim, Y Fan - US Patent 11,239,794, 2022 - Google Patents
(57) ABSTRACT A frequency doubler (tripler, or quadrupler) employs current re-use coupled
oscillator technique to enhance phase noise without increasing current consumption …