Fast settling ramp generation using phase-locked loop

VK Chillara, DM Dalton, PC Dato - US Patent 10,931,290, 2021 - Google Patents
Aspects of this disclosure relate to reducing settling time of a ramp signal in a phase-locked
loop. An offset signal can be applied to adjust an input signal provided to an integrator of a …

Relaxation oscillator with improved temperature stability

S Golara - US Patent 10,693,443, 2020 - Google Patents
Certain aspects of the present disclosure generally relate to a low-power relaxation
oscillator. Certain aspects provide a circuit for generating an oscillating signal. The circuit …

Reduced quiescent current PVT compensated oscillator

RM RAMAKRISHNA - US Patent 10,826,465, 2020 - Google Patents
A device includes a capacitor having a first terminal coupled to a ground node, and a
second terminal; a first transistor having a source coupled to the capacitor, a drain coupled …

Oscillator using chopper circuit for suppressing flicker noise of current sources and associated clock generation method

YH Liu, YT Chiu - US Patent 11,764,728, 2023 - Google Patents
An oscillator includes a first current source, a second current source, a first chopper circuit, a
resistive component, a capacitive component, and a processing circuit. The first current …

Oscillation circuit and interface circuit

H Yabe - US Patent 11,088,691, 2021 - Google Patents
An oscillation circuit has a voltage generator configured to generate a linearly changing
voltage, a voltage level of which linearly changes as time passes, a first comparator …

Relaxation oscillator with an aging effect reduction technique

T Okura - US Patent 11,095,276, 2021 - Google Patents
A relaxation oscillator with an aging effect reduction technique comprises a comparator (CP)
coupled with its input side (CP1, CP2) to a network comprising at least one capacitor (C, C1 …

Resistor-capacitor oscillator

HAN Te, J Qiao, J Lai - US Patent 10,707,847, 2020 - Google Patents
An RC oscillator is provided for improving stability of oscillation frequency. The circuit
includes an input module, an oscillating module, an inverting module, first and second …