Ring oscillator having selectable number of inverter stages

Ring oscillator having variable capacitance circuits for...

Ring oscillator having variable coarse and fine delays

Ring oscillator having wide frequency range

Ring oscillator including chain of plural series-connected compa

Ring oscillator insensitive to supply voltage variations

Ring oscillator providing single event transient immunity

Ring oscillator setting apparatus and method depending on...

Ring oscillator type voltage controlled oscillator

Ring oscillator using analog parallelism

Ring oscillator using CMOS technology

Ring oscillator using current mirror inverter stages

Ring oscillator using current mirror inverter stages

Ring oscillator using current robbing for controlling delay peri

Ring oscillator using even numbers of differential stages with c

Ring oscillator VCO using a differential delay stage

Ring oscillator with a digitally programmable frequency

Ring oscillator with adjustable delay

Ring oscillator with constant 50% duty cycle and...

Ring oscillator with constant gain