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Class Information
Number: 330/9
Name: Amplifiers > With periodic switching input-output (e.g., for drift correction)
Description: Subject matter including a periodic switching means common to the input and output circuits of the amplifier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459967 |
Differential amplifier, digital-to-analog converter and display device |
Dec. 2, 2008 |
| 7459966 |
Offset adjusting circuit and operational amplifier circuit |
Dec. 2, 2008 |
| 7456684 |
Dual-chopper amplifier and its usage as readout circuit for capacitive sensors |
Nov. 25, 2008 |
| 7446602 |
Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuit |
Nov. 4, 2008 |
| 7446611 |
Fully differential amplifier device with output-common-mode feedback and control method thereof |
Nov. 4, 2008 |
| 7443234 |
Differential amplifier, digital-to-analog converter and display device |
Oct. 28, 2008 |
| 7443233 |
DC offset cancellation apparatus |
Oct. 28, 2008 |
| 7444268 |
Method and apparatus for identifying a drift in a quantized signal in a computer system |
Oct. 28, 2008 |
| 7423479 |
Offset canceller for compensating for offset in signal output |
Sep. 9, 2008 |
| 7423478 |
Input offset voltage corrector |
Sep. 9, 2008 |
| 7420410 |
Variable gain amplifier circuit, method of correcting DC offset of the variable gain amplifying circuit, and radio receiving apparatus |
Sep. 2, 2008 |
| 7414464 |
Op driver with the function of canceling op offset |
Aug. 19, 2008 |
| 7411446 |
DC offset cancellation circuit |
Aug. 12, 2008 |
| 7408390 |
DC to DC converter and voltage detecting circuit and current detecting circuit thereof |
Aug. 5, 2008 |
| 7408402 |
Operational amplifier with less offset voltage |
Aug. 5, 2008 |
| 7405614 |
Circuit arrangement having an amplifier arrangement and an offset compensation arrangement |
Jul. 29, 2008 |
| 7403065 |
Differential transimpedance amplifier circuit for correlated differential amplification |
Jul. 22, 2008 |
| 7403064 |
Dynamically accelerated operational amplifier and method thereof |
Jul. 22, 2008 |
| 7394309 |
Balanced offset compensation circuit |
Jul. 1, 2008 |
| 7391256 |
System and method for DC correction in wireless receivers |
Jun. 24, 2008 |
| 7391257 |
Chopper-stabilized instrumentation amplifier for impedance measurement |
Jun. 24, 2008 |
| 7385442 |
System and method for constant bandwidth DC offset correction in an amplifier |
Jun. 10, 2008 |
| 7385443 |
Chopper-stabilized instrumentation amplifier |
Jun. 10, 2008 |
| 7382296 |
System for mixed analog-digital automatic gain control |
Jun. 3, 2008 |
| 7382183 |
Minimizing switching noise and its effects in auto-zeroed amplifiers |
Jun. 3, 2008 |
| 7378903 |
System and method for minimizing DC offset in outputs of audio power amplifiers |
May. 27, 2008 |
| 7375572 |
Clamping circuit |
May. 20, 2008 |
| 7368968 |
Signal offset cancellation |
May. 6, 2008 |
| 7368982 |
Balanced output circuit and electronic apparatus utilizing the same |
May. 6, 2008 |
| 7368983 |
Operational amplifier and method for canceling offset voltage of operational amplifier |
May. 6, 2008 |
| 7365597 |
Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy |
Apr. 29, 2008 |
| 7358802 |
Multi-phase techniques for tuning and/or measuring operations of an amplifier |
Apr. 15, 2008 |
| 7358801 |
Reducing noise and/or power consumption in a switched capacitor amplifier sampling a reference voltage |
Apr. 15, 2008 |
| 7358809 |
Method for forming elements with reduced variation |
Apr. 15, 2008 |
| 7355471 |
Circuit for DC offset cancellation |
Apr. 8, 2008 |
| 7348839 |
Method and apparatus for DC offset cancellation in amplifiers |
Mar. 25, 2008 |
| 7345530 |
Regulated switch driving scheme in switched-capacitor amplifiers with opamp-sharing |
Mar. 18, 2008 |
| 7345529 |
Chopper stabilized amplifier without DC output ripple |
Mar. 18, 2008 |
| 7342443 |
Operational amplifier |
Mar. 11, 2008 |
| 7339422 |
Amplifier circuit and display device |
Mar. 4, 2008 |
| 7339423 |
Technique to improve the gain and signal to noise ratio in CMOS switched capacitor amplifiers |
Mar. 4, 2008 |
| 7336133 |
Buffered cascode current mirror |
Feb. 26, 2008 |
| 7336124 |
Operational amplifier, line driver, and liquid crystal display device |
Feb. 26, 2008 |
| 7336123 |
Chopper amplifier circuit apparatus operable at low voltage utilizing switched operational amplifier |
Feb. 26, 2008 |
| 7327190 |
Differential amplifier arrangement |
Feb. 5, 2008 |
| 7323930 |
Amplifiers with compensation |
Jan. 29, 2008 |
| 7321261 |
Full swing amplifying circuit and applications thereof |
Jan. 22, 2008 |
| 7321260 |
Ping-pong auto-zero amplifier with glitch reduction |
Jan. 22, 2008 |
| 7321259 |
Programmable logic enabled dynamic offset cancellation |
Jan. 22, 2008 |
| 7310016 |
Chopper-stabilized operational amplifier and method |
Dec. 18, 2007 |
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