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Class Information
Number: 341/135
Name: Coded data generation or conversion > Analog to or from digital conversion > With particular solid state devices (e.g., gunn effect device, josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals) > Current mirror
Description: Subject matter having a circuit with parallel elements wherein the current flowing through one element exactly reflects that flowing in the other element.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5748128 Reduced current quadratic digital/analog converter with improved settling-time May. 5, 1998
5745062 Pulse width modulation analog to digital converter Apr. 28, 1998
5742245 Digital-to-analog converter circuit using current mirror circuit for conversion of law-order bits Apr. 21, 1998
5739780 Digital to analog converter and dynamic current mirror structure to simplify on-chip wave shaping Apr. 14, 1998
5684486 Flash A/D converter Nov. 4, 1997
5675336 Analog memory unit Oct. 7, 1997
5635935 Power reduction technique for current mode digital-to-analog converters Jun. 3, 1997
5617473 Sign bit integrator and method Apr. 1, 1997
5608348 Binary programmable current mirror Mar. 4, 1997
5600321 High speed, low power CMOS D/A converter for wave synthesis in network Feb. 4, 1997
5592166 High speed CMOS D/A converter for wave synthesis in network Jan. 7, 1997
5579006 A/D converter Nov. 26, 1996
5517191 Digitally controlled calibration circuit for a DAC May. 14, 1996
5448238 Method and apparatus for digital to analog conversion using GaAs HI.sup.2 L Sep. 5, 1995
5444446 Apparatus and method for duplicating currents Aug. 22, 1995
5432817 Vehicle communications network transceiver, ground translation circuit therefor Jul. 11, 1995
5369406 Multiplying digital-to-analogue converter Nov. 29, 1994
5283579 Digital to analog converter having high multiplying bandwidth Feb. 1, 1994
5254993 Multiplying digital-to-analog converter Oct. 19, 1993
5155385 Semiconductor integrated circuit device having a bias supply current Oct. 13, 1992
5128674 Two quadrants high speed multiplying DAC Jul. 7, 1992
5055844 Digital to analog converter Oct. 8, 1991
5001482 BiCMOS digital-to-analog converter for disk drive digital recording channel architecture Mar. 19, 1991
4982192 Digital-to-analog converter having common adjustment means Jan. 1, 1991
4978959 Analog to digital converter, a digital to analog converter and an operational amplifier therefor Dec. 18, 1990
4951053 Method and apparatus for switching currents into the summing node of an integrating analog-to-digital converter Aug. 21, 1990
4942399 Adaptive flash analog/digital converter for differential input signal Jul. 17, 1990
4935740 Digital-to-analog converter Jun. 19, 1990
4931795 Digital to analog signal converter Jun. 5, 1990
4926176 Self-timing analog-to-digital converting system May. 15, 1990
4896157 Digital to analog converter having single resistive string with shiftable voltage thereacross Jan. 23, 1990
4893122 Parallel analog to digital converter employing sample and hold stages Jan. 9, 1990
4745395 Precision current rectifier for rectifying input current May. 17, 1988
4689607 Bidirectional transconductance amplifier Aug. 25, 1987
4675651 High speed analog digital converter of the dichotomizing type Jun. 23, 1987
4667180 Continuous time domain analog-digital converter May. 19, 1987
4647904 Folding-type analog-to-digital converter Mar. 3, 1987
4644325 Low voltage, single power supply operated digital analog converter Feb. 17, 1987
4608555 Analog to digital flash converter Aug. 26, 1986
4607249 Input level shifting circuit for low voltage digital-to-analog converter Aug. 19, 1986
4595912 Integrated circuit for generating a terminal voltage adjustable by a digital signal Jun. 17, 1986
4594577 Current mirror digital to analog converter Jun. 10, 1986
4583076 Integrable digital/analog converter Apr. 15, 1986
4574270 Analog-to-digital current converter Mar. 4, 1986
4573005 Current source arrangement having a precision current-mirror circuit Feb. 25, 1986
4573036 Integrable circuit for digital-to-analog converter Feb. 25, 1986
4431986 Digital to analog and analog to digital converters with bipolar output signals Feb. 14, 1984
4408190 Resistorless digital-to-analog converter using cascaded current mirror circuits Oct. 4, 1983
4384274 Current mirror digital to analog converter May. 17, 1983
4381497 Digital-to-analog converter having open-loop voltage reference for regulating bit switch currents Apr. 26, 1983

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