Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7450050 | Switched-capacitor reset architecture for opamp An analog digital converter with switched-capacitor reset architecture. The analog to digital converter (ADC) includes a plurality of pipelined stages, each stage including an analog to digital converter comprising a pair of comparators outputting signals to a multi... | 11/11/2008 |
| 7202722 | Duty-cycle correction circuit A duty-cycle correction (DCC) circuit adapted to adjust the duty cycle of a differential clock signal to conform it to the requirements of a half-rate clocking system. In a representative embodiment, the DCC circuit has a buffer circuit adapted to generate a differe... | 04/10/2007 |
