| Patent Number |
Title Of Patent |
Date Issued |
| 7554306 |
Low drop out voltage regulator circuit assembly |
June 30, 2009 |
| An integrated circuit assembly includes a voltage level generator, a level shifter, a bandgap reference generator and a voltage regulator. The voltage level generator generates output voltage level signals in response to a supply voltage. The level shifter receives the output voltage |
| 7259633 |
Frequency synthesizer with loop filter calibration for bandwidth control |
August 21, 2007 |
| According to one exemplary embodiment, a frequency synthesizer module includes a loop filter, where the loop filter includes a capacitor having a first terminal and a second terminal. The frequency synthesizer module further includes a loop filter calibration module coupled to the ca |
| 7109805 |
Direct modulator for shift keying modulation |
September 19, 2006 |
| A system for direct modulation is disclosed. Embodiments of the direct modulator for shift-keying modulation include impressing baseband data on a radio frequency (RF) signal at an oscillator by controlling a digital divider using a sigma-delta modulator. |
| 6968029 |
Frequency prescaler |
November 22, 2005 |
| A synchronous prescaler is provided that has an input line for receiving an input signal, which is synchronized to a low order dual modulus prescaler. The dual modulus prescaler generally divides responsive to a mode command line, but may have a dead-zone period where it may fail to resp |
| 6954090 |
Charge pump having reduced switching noise |
October 11, 2005 |
| A low power charge pump is provided that has complementary transistors capable of isolating switching noise from the input switching transistors. The charge pump uses charged currents that are matched in both magnitude and time to reduce switching noise in the output of the charge pump. |
| 6611160 |
Charge pump having reduced switching noise |
August 26, 2003 |
| A low power charge pump is provided that has complementary transistors capable of isolating switching noise from the input switching transistors. The charge pump uses charged currents that are matched in both magnitude and time to reduce switching noise in the output of the charge pump. |
