| Patent Number |
Title Of Patent |
Date Issued |
| 6937073 |
Frequency multiplier with phase comparator |
August 30, 2005 |
| A phase comparison of timing signals is made by combinational circuitry which receives the timing signals and a window signal, the window signal identifying edges of the timing signals to be compared. The comparison may result in a charge pumped output which can be fed back to control th |
| 6476656 |
Low-power low-jitter variable delay timing circuit |
November 5, 2002 |
| The timing circuit includes at least one delay element and its supply voltage is obtained from an active current source. The current source is a current mirror which is driven by a differential amplifier. The differential amplifier compares a voltage on the delay element supply line |
| 6316987 |
Low-power low-jitter variable delay timing circuit |
November 13, 2001 |
| The timing circuit includes at least one delay element and its supply voltage is obtained from an active current source. The current source is a current mirror which is driven by a differential amplifier. The differential amplifier compares a voltage on the delay clement supply line |
| 6275072 |
Combined phase comparator and charge pump circuit |
August 14, 2001 |
| A phase comparison of timing signals is made by combinational circuitry which receives the timing signals and a window signal, the window signal identifying edges of the timing signals to be compared. The comparison may result in a charge pumped output which can be fed back to control th |
