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Class Information
Number: 330/126
Name: Amplifiers > With plural amplifier channels (e.g., parallel amplifier channels) > Amplifying different frequencies in different channels
Description: Subject matter wherein at least one of the channels amplifies a signal of a different frequency from at least one other channel.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7446604 |
Multi-band low noise amplifier |
Nov. 4, 2008 |
| 7415251 |
Apparatus and method for improving efficiency of a power amplifier having a high peak-to-average power ratio |
Aug. 19, 2008 |
| 7388959 |
Harmonic generator and pre-amp |
Jun. 17, 2008 |
| 7382185 |
Loop segment switching system |
Jun. 3, 2008 |
| 7379751 |
Multi-band transceiver and radio communication device using the transceiver |
May. 27, 2008 |
| 7362171 |
High-frequency amplifier |
Apr. 22, 2008 |
| 7348856 |
Semiconductor device |
Mar. 25, 2008 |
| 7298206 |
Multi-band amplifier for test and measurement instruments |
Nov. 20, 2007 |
| 7221220 |
Method and apparatus for low-frequency bypass in broadband RF circuitry |
May. 22, 2007 |
| 7215205 |
Power amplifier arrangement and method for processing a radiofrequency signal |
May. 8, 2007 |
| 7202733 |
Transconductance amplifiers with compensation |
Apr. 10, 2007 |
| 7202734 |
Electronically tuned power amplifier |
Apr. 10, 2007 |
| 7202735 |
Multi-band power amplifier module for wireless communication devices |
Apr. 10, 2007 |
| 7187231 |
Apparatus, methods and articles of manufacture for multiband signal processing |
Mar. 6, 2007 |
| 7183858 |
Wireless transmitter having multiple programmable gain amplifiers (PGAs) with tuned impedance to provide substantially linear magnitude and phase responses |
Feb. 27, 2007 |
| 7148751 |
Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package |
Dec. 12, 2006 |
| 7139539 |
Adaptive power pooling apparatus and method in a mobile communication system |
Nov. 21, 2006 |
| 7138862 |
Power amplifier and radio communication device using the amplifier |
Nov. 21, 2006 |
| 7123087 |
Radio frequency power amplifier |
Oct. 17, 2006 |
| 7119614 |
Multi-band power amplifier module for wireless communications |
Oct. 10, 2006 |
| 7116175 |
Semiconductor device |
Oct. 3, 2006 |
| 7095276 |
Power amplifier and radio communication device using the amplifier |
Aug. 22, 2006 |
| 7091776 |
Power amplifier and radio communication device using the amplifier |
Aug. 15, 2006 |
| 7091775 |
Multi-band power amplifier module for wireless communication devices |
Aug. 15, 2006 |
| 7084702 |
Multi-band power amplifier module for wireless communication devices |
Aug. 1, 2006 |
| 7046084 |
Power amplifier and radio communication device using the amplifier |
May. 16, 2006 |
| 7046085 |
Power amplifier and radio communication device using the amplifier |
May. 16, 2006 |
| 7026873 |
LMS-based adaptive pre-distortion for enhanced power amplifier efficiency |
Apr. 11, 2006 |
| 7023272 |
Multi-band low noise amplifier system |
Apr. 4, 2006 |
| 6993286 |
Dual band bidirectional amplifier for wireless communication |
Jan. 31, 2006 |
| 6970040 |
Multi-mode/multi-band power amplifier |
Nov. 29, 2005 |
| 6963241 |
Method and apparatus for increasing the efficiency of a transmitter |
Nov. 8, 2005 |
| 6914480 |
High frequency power amplifier and wireless communication module |
Jul. 5, 2005 |
| 6909325 |
Multi-band amplifier |
Jun. 21, 2005 |
| 6816008 |
Quasi-linear multi-state digital modulation through non-linear amplifier arrays |
Nov. 9, 2004 |
| 6803817 |
Dual band power amplifier with improved isolation |
Oct. 12, 2004 |
| 6750707 |
Multi-carrier RF amplifiers |
Jun. 15, 2004 |
| 6674337 |
Concurrent multi-band low noise amplifier architecture |
Jan. 6, 2004 |
| 6624694 |
System and method for producing an amplified signal |
Sep. 23, 2003 |
| 6624695 |
Waveform pershaping for efficiency improvements in DC to RF conversion |
Sep. 23, 2003 |
| 6583664 |
Apparatus and method for efficiently amplifying wideband envelope signals |
Jun. 24, 2003 |
| 6522203 |
Power amplifying transistors |
Feb. 18, 2003 |
| 6501331 |
Multi-band amplifier |
Dec. 31, 2002 |
| 6496708 |
Radio frequency coupler apparatus suitable for use in a multi-band wireless communication device |
Dec. 17, 2002 |
| 6384680 |
RF amplifier with plural combiners |
May. 7, 2002 |
| 6381212 |
Power sharing amplifier system for amplifying multiple input signals with shared power amplifiers |
Apr. 30, 2002 |
| 6356155 |
Multi-band amplifier having multi-tap RF choke |
Mar. 12, 2002 |
| 6348837 |
Bi-directional amplifier having a single gain block for amplifying both forward and reverse signals |
Feb. 19, 2002 |
| 6317608 |
Power amplifier matching in dual band mobile phone |
Nov. 13, 2001 |
| 6300826 |
Apparatus and method for efficiently amplifying wideband envelope signals |
Oct. 9, 2001 |
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