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Class Information
Number: 327/113
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Frequency or repetition rate conversion or control
Description: Subject matter wherein a frequency characteristic of an input signal is modified to produce an output wave of different frequency characteristic which has a definite relationship to that of the input wave or where a frequency characteristic is held essentially constant.










Sub-classes under this class:

Class Number Class Name Patents
327/117 Frequency division 490
327/119 Frequency multiplication (e.g., harmonic generation, etc.) 269
327/114 Of output rectangular waveform 234


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
6957057 Switched capacitor mixer circuit to attain high gain and linearity in radio frequency receivers Oct. 18, 2005
6954089 Frequency converter having low supply voltage Oct. 11, 2005
6937848 Method and device for digital-to-RF conversion Aug. 30, 2005
6937849 Mixing apparatus Aug. 30, 2005
6909311 Methods and apparatus for synthesizing a clock signal Jun. 21, 2005
6906560 Phase-continuous frequency synthesizer Jun. 14, 2005
6895518 Power and frequency adjustable UART device May. 17, 2005
6894946 METHODS OF OPERATING MEMORY SYSTEMS IN WHICH AN ACTIVE TERMINATION VALUE FOR A MEMORY DEVICE IS DETERMINED AT A LOW CLOCK FREQUENCY AND COMMANDS ARE APPLIED TO THE MEMORY DEVICE AT A HIGHER CL May. 17, 2005
6892061 Mixer circuit configuration May. 10, 2005
6892062 Current-reuse bleeding mixer May. 10, 2005
6882191 Rectifier type frequency doubler with harmonic cancellation Apr. 19, 2005
6879192 Even harmonic mixer with high-input, third-order intercept point Apr. 12, 2005
6871058 Frequency conversion circuit Mar. 22, 2005
6867631 Synchronous frequency convertor for timebase signal generation Mar. 15, 2005
6864728 Frequency multiplier and amplification circuit Mar. 8, 2005
6862483 Apparatus for changing pulse width modulation at desired timing Mar. 1, 2005
6847239 Frequency divider system Jan. 25, 2005
6836162 Method and arrangement for frequency doubling Dec. 28, 2004
6822492 Variable-frequency pulse generator Nov. 23, 2004
6809562 Semiconductor integrated circuit device Oct. 26, 2004
6807407 Dual double balanced mixer Oct. 19, 2004
6801761 Programmable mixer and radio applications thereof Oct. 5, 2004
6799029 Mixer of communication system Sep. 28, 2004
6788117 Method and apparatus for generating frequency-stable wavelets Sep. 7, 2004
6785530 Even-order non-linearity correction feedback for Gilbert style mixers Aug. 31, 2004
6781424 Single chip CMOS transmitter/receiver and method of using same Aug. 24, 2004
6774739 Frequency converter, orthogonal demodulator and orthogonal modulator Aug. 10, 2004
6747488 Multiple PLL oscillator and multiple CW radar used therefore Jun. 8, 2004
6737927 Duty cycle correction circuit for use with frequency synthesizer May. 18, 2004
6710635 Frequency and phase locked loop Mar. 23, 2004
6707330 Semiconductor device having internal circuit operating in synchronization with internal clock signal Mar. 16, 2004
6690631 Clock generation circuit and integrated circuit for reproducing an audio signal comprising such a clock generation circuit Feb. 10, 2004
6680631 Setting the speed of clocked circuitry Jan. 20, 2004
6671221 Semiconductor chip with trimmable oscillator Dec. 30, 2003
6665527 Double balanced mixer circuit Dec. 16, 2003
6662002 Frequency conversion circuit and transmitter Dec. 9, 2003
6653872 Multi-channel precision synchronous voltage-to-frequency converter Nov. 25, 2003
6654595 Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performance Nov. 25, 2003
6650150 Numerically controlled oscillator in particular for a radiofrequency signal receiver Nov. 18, 2003
6650883 Mixer with adjustable linearity Nov. 18, 2003
6640095 Frequency multiplier and wireless device incorporating same Oct. 28, 2003
6597211 Clock divider circuit producing 0.degree. and 90.degree. outputs with a 50% duty cycle Jul. 22, 2003
6570946 One-hot decoded phase shift prescaler May. 27, 2003
6563359 Semiconductor integrated circuit including clock modulation circuit May. 13, 2003
6560451 Square wave analog multiplier May. 6, 2003
6552586 Biasing of a mixer Apr. 22, 2003
6545516 Frequency conversion Apr. 8, 2003
6535798 Thermal management in a system Mar. 18, 2003
6512408 Mixer structure and method for using same Jan. 28, 2003
6509766 Adjustable clock multiplier and method Jan. 21, 2003

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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