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Your search returned 471 patents.
( 327/113 in Current US Classification ) |
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| 1 2 3 4 5 |
| Patent ID | Title | Date Filed |
| 6867631 | Synchronous frequency convertor for timebase signal generation
| April 18, 2003 |
| 6864728 | Frequency multiplier and amplification circuit
| February 28, 2003 |
| 6862483 | Apparatus for changing pulse width modulation at desired timing
| March 23, 2001 |
| 6847239 | Frequency divider system
| April 16, 2003 |
| 6836162 | Method and arrangement for frequency doubling
| April 30, 2003 |
| 6822492 | Variable-frequency pulse generator
| March 2, 2004 |
| 6809562 | Semiconductor integrated circuit device
| April 11, 2003 |
| 6807407 | Dual double balanced mixer
| May 2, 2001 |
| 6801761 | Programmable mixer and radio applications thereof
| February 15, 2002 |
| 6799029 | Mixer of communication system
| March 13, 2001 |
| 6788117 | Method and apparatus for generating frequency-stable wavelets
| March 6, 2003 |
| 6785530 | Even-order non-linearity correction feedback for Gilbert style mixers
| March 16, 2001 |
| 6781424 | Single chip CMOS transmitter/receiver and method of using same
| September 25, 2002 |
| 6774739 | Frequency converter, orthogonal demodulator and orthogonal modulator
| May 10, 2002 |
| 6747488 | Multiple PLL oscillator and multiple CW radar used therefore
| August 19, 2002 |
| 6737927 | Duty cycle correction circuit for use with frequency synthesizer
| October 15, 2002 |
| 6710635 | Frequency and phase locked loop
| January 16, 2003 |
| 6707330 | Semiconductor device having internal circuit operating in synchronization with internal clock signal
| August 7, 2002 |
| 6690631 | Clock generation circuit and integrated circuit for reproducing an audio signal comprising such a clock generation circuit
| November 20, 2001 |
| 6680631 | Setting the speed of clocked circuitry
| March 27, 2001 |
| 6671221 | Semiconductor chip with trimmable oscillator
| May 23, 2002 |
| 6665527 | Double balanced mixer circuit
| November 30, 2000 |
| 6662002 | Frequency conversion circuit and transmitter
| December 21, 2001 |
| 6654595 | Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performance
| August 22, 2000 |
| 6653872 | Multi-channel precision synchronous voltage-to-frequency converter
| August 28, 2001 |
| 6650883 | Mixer with adjustable linearity
| June 30, 2000 |
| 6650150 | Numerically controlled oscillator in particular for a radiofrequency signal receiver
| November 19, 2001 |
| 6640095 | Frequency multiplier and wireless device incorporating same
| May 15, 2002 |
| 6597211 | Clock divider circuit producing 0.degree. and 90.degree. outputs with a 50% duty cycle
| June 8, 2001 |
| 6570946 | One-hot decoded phase shift prescaler
| November 3, 1999 |
| 6563359 | Semiconductor integrated circuit including clock modulation circuit
| January 3, 2002 |
| 6560451 | Square wave analog multiplier
| October 15, 1999 |
| 6552586 | Biasing of a mixer
| September 26, 2001 |
| 6545516 | Frequency conversion
| September 25, 2001 |
| 6535798 | Thermal management in a system
| December 3, 1998 |
| 6512408 | Mixer structure and method for using same
| November 6, 2001 |
| 6509766 | Adjustable clock multiplier and method
| October 26, 2001 |
| 6501307 | Spread-spectrum clock buffer/driver that modulates clock period by switching loads
| November 12, 2001 |
| 6496045 | Programmable even-number clock divider circuit with duty cycle correction and optional phase shift
| May 9, 2002 |
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