Charge pump and PLL

Charge pump circuit

Charge pump circuit

Charge Pump Circuit

Charge pump circuit

Charge pump circuit

Charge pump circuit

Charge pump circuit and method thereof

Charge pump circuit and PLL circuit using same

Charge pump circuit and PLL circuit using same

Charge pump circuit and PLL circuit using same

Charge pump circuit for a high speed phase locked loop

Charge pump circuit for a PLL

Charge pump circuit for compensating mismatch of output...

Charge pump circuit for improving switching characteristics...

Charge pump circuit for phase locked loop free from spike curren

Charge pump circuit for phase-locked loop circuitry

Charge pump circuit for PLL

Charge pump circuit for reducing jitter

Charge pump circuit for semiconductor memory device