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Class Information
Number: 330/98
Name: Amplifiers > Signal feedback > In cascade amplifiers
Description: Subject matter including at least two stages of amplification (each as defined in the class definition) wherein the means for coupling the input signal for each stage except the first is coupled to the means for coupling the output signal of the preceding amplifier; combined with signal feedback means above.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459972 |
Amplifiers with compensation |
Dec. 2, 2008 |
| 7454190 |
Receiver circuit for a receiving element |
Nov. 18, 2008 |
| 7425865 |
Differential cascode amplifier |
Sep. 16, 2008 |
| 7423487 |
Variable gain feedback amplifier circuit apparatus and method therefor |
Sep. 9, 2008 |
| 7405616 |
Nested transimpendance amplifier |
Jul. 29, 2008 |
| 7403067 |
Compensation circuit for amplifiers having multiple stages |
Jul. 22, 2008 |
| 7348846 |
Amplifier arrangement |
Mar. 25, 2008 |
| 7323939 |
Low noise amplifier for wideband tunable matching |
Jan. 29, 2008 |
| 7304536 |
Nested transimpendance amplifier |
Dec. 4, 2007 |
| 7292097 |
Amplifier and method for processing signals |
Nov. 6, 2007 |
| 7283840 |
Reconfigurable analog baseband for a single-chip dual-mode transceiver |
Oct. 16, 2007 |
| 7279985 |
Regulated cascode amplifier with small-sized feed-back amplifier |
Oct. 9, 2007 |
| 7276965 |
Nested transimpedance amplifier |
Oct. 2, 2007 |
| 7224214 |
Integrated circuit |
May. 29, 2007 |
| 7221218 |
MOSFET amplifier having feedback controlled transconductance |
May. 22, 2007 |
| 7221217 |
Self-bias and digitally tunable conduction angle circuits for a differential RF non-linear power amplifier employing low-voltage transistors |
May. 22, 2007 |
| 7212070 |
Circuit and method of reducing noise in an RF power amplifier |
May. 1, 2007 |
| 7205840 |
Wideband CMOS gain stage |
Apr. 17, 2007 |
| 7202733 |
Transconductance amplifiers with compensation |
Apr. 10, 2007 |
| 7199655 |
Multistage amplifier circuit without interstage coupling capacitor |
Apr. 3, 2007 |
| 7196579 |
Gain-controlled amplifier, receiver circuit and radio communication device |
Mar. 27, 2007 |
| 7190218 |
Differential or single-ended amplifier and relative control method |
Mar. 13, 2007 |
| 7183842 |
Optimum composite cascode amplifier |
Feb. 27, 2007 |
| 7161418 |
Amplifier arrangement and method for calibrating an amplifier arrangement |
Jan. 9, 2007 |
| 7154340 |
Circuit for increasing the unity gain crossover frequency of an amplifier element |
Dec. 26, 2006 |
| 7079818 |
Programmable mutlistage amplifier and radio applications thereof |
Jul. 18, 2006 |
| 7071784 |
High linearity digital variable gain amplifier |
Jul. 4, 2006 |
| 7005922 |
Variable gain amplifier circuit and gain control method thereof |
Feb. 28, 2006 |
| 7002409 |
Compensation circuit for amplifiers having multiple stages |
Feb. 21, 2006 |
| 6992528 |
Semiconductor device |
Jan. 31, 2006 |
| 6985707 |
Receiver with AGC controlled resonance amplifier |
Jan. 10, 2006 |
| 6970152 |
Stacked amplifier arrangement for graphics displays |
Nov. 29, 2005 |
| 6937104 |
High speed high current gain operational amplifier |
Aug. 30, 2005 |
| 6914488 |
Broadband amplification apparatus for bandwidth expansion |
Jul. 5, 2005 |
| 6897731 |
Method and circuit for overload recovery of an amplifier |
May. 24, 2005 |
| 6865382 |
Mixer having low noise, controllable gain, and/or low supply voltage operation |
Mar. 8, 2005 |
| 6864751 |
Transimpedance amplifier with adjustable output amplitude and wide input dynamic-range |
Mar. 8, 2005 |
| 6861908 |
2-stage large bandwidth amplifier using diodes in the parallel feedback structure |
Mar. 1, 2005 |
| 6836182 |
Nested transimpedance amplifier |
Dec. 28, 2004 |
| 6825725 |
Integrated power amplifier circuit |
Nov. 30, 2004 |
| 6801084 |
Transimpedance amplifier and circuit including the same |
Oct. 5, 2004 |
| 6801087 |
Integrated circuit with an analog amplifier |
Oct. 5, 2004 |
| 6762644 |
Apparatus and method for a nested transimpedance amplifier |
Jul. 13, 2004 |
| 6756851 |
Transimpedance amplifier |
Jun. 29, 2004 |
| 6731175 |
High frequency amplifier |
May. 4, 2004 |
| 6642783 |
Amplification device with optimized linearity |
Nov. 4, 2003 |
| 6624704 |
High speed high current gain operational amplifier |
Sep. 23, 2003 |
| 6580326 |
High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance |
Jun. 17, 2003 |
| 6552605 |
Differential transimpedance amplifier for optical communication |
Apr. 22, 2003 |
| 6515487 |
Low voltage low current bubble detection circuit |
Feb. 4, 2003 |
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