Second or higher order PLL with increased low and medium frequen

Section selection loop filter and phase locked loop circuit...

Self centering frequency multiplier

Self-adjusting clock generator with stable frequency output

Self-adjusting clock generator with stable frequency output

Self-biased phase locked loop

Self-biased phased-locked loop

Self-calibrated constant-gain tunable oscillator

Self-calibrating controllable oscillator

Semiconductor integrated circuit

Semiconductor integrated circuit with clock generator

Semiconductor integrated circuit with clock generator

Sigma delta fractional-N frequency divider with improved...

Sigma-delta modulator for PLL circuits

Single loop frequency synthesizer with direct digital synthesis

Slip phase control PLL

Smart lock-in circuit for phase-locked loops

Spread spectrum modulation of a clock signal for reduction...

Spurious-free fractional-N frequency synthesizer with...

Step controlled signal generator