| Patent | Date |
|---|
Method of manufacturing an electrostatic protection device
Grant 8,748,255 - Apel , et al. June 10, 2 | 2014-06-10 |
Method of Manufacturing an Electrostatic Protection Device
App 20120260477 - Apel; Thomas R. ; et al. | 2012-10-18 |
Electrostatic protection device
Grant 8,227,835 - Apel , et al. July 24, 2 | 2012-07-24 |
Simultaneous harmonic termination in a push-pull power amplifier
Grant 8,164,387 - Apel , et al. April 24, 2 | 2012-04-24 |
Bipolar junction transistor geometry
Grant 8,159,048 - Apel , et al. April 17, 2 | 2012-04-17 |
Compact, low loss, multilayer balun
Grant 8,093,959 - Apel January 10, 2 | 2012-01-10 |
Integrated low inductance interconnect for RF integrated circuits
Grant 7,768,098 - Apel August 3, 2 | 2010-08-03 |
Saturated power amplifier with selectable and variable output power levels
Grant 7,728,662 - Apel June 1, 2 | 2010-06-01 |
Bias control system for a power amplifier
Grant 7,667,532 - Apel February 23, 2 | 2010-02-23 |
Bias control system for a power amplifier
Grant 7,489,183 - Apel February 10, 2 | 2009-02-10 |
Electrostatic protection device
App 20080165458 - Apel; Thomas R. ; et al. | 2008-07-10 |
Switched distributed power amplifier
Grant 7,382,194 - Apel June 3, 2 | 2008-06-03 |
Amplifiers with high efficiency in multiple power modes
Grant 7,382,186 - Apel , et al. June 3, 2 | 2008-06-03 |
Linear power amplifier with multiple output power levels
Grant 7,345,537 - Apel , et al. March 18, 2 | 2008-03-18 |
Integrated low inductance interconnect for RF integrated circuits
App 20070296057 - Apel; Thomas R. | 2007-12-27 |
Switched distributed power amplifier
App 20070176677 - Apel; Thomas R. | 2007-08-02 |
Bias circuit with mode control and compensation for voltage and temperature
Grant 7,224,230 - Apel , et al. May 29, 2 | 2007-05-29 |
Method and architecture for dual-mode linear and saturated power amplifier operation
Grant 7,177,370 - Zhang , et al. February 13, 2 | 2007-02-13 |
Active protection circuit for load mismatched power amplifier
Grant 7,148,748 - Apel December 12, 2 | 2006-12-12 |
Switched transformer for adjusting power amplifier loading
Grant 7,102,464 - Apel September 5, 2 | 2006-09-05 |
Bias circuit with mode control and compensation for voltage and temperature
App 20060186962 - Apel; Thomas R. ; et al. | 2006-08-24 |
Amplifiers with high efficiency in multiple power modes
App 20060164163 - Apel; Thomas R. ; et al. | 2006-07-27 |
Bias control system for a power amplifier
App 20060119423 - Apel; Thomas R. | 2006-06-08 |
Efficient power control of a power amplifier by periphery switching
Grant 7,046,083 - Apel May 16, 2 | 2006-05-16 |
Amplifier power control circuit
Grant 6,930,555 - Bachhuber , et al. August 16, 2 | 2005-08-16 |
Bipolar junction transistor geometry
App 20050167747 - Apel, Thomas R. ; et al. | 2005-08-04 |
Efficient power control of a power amplifier by periphery switching
App 20050168280 - Apel, Thomas R. | 2005-08-04 |
Method and architecture for dual-mode linear and saturated power amplifier operation
App 20050135502 - Zhang, Andrew ; et al. | 2005-06-23 |
Efficient power control of a power amplifier by periphery switching
Grant 6,894,561 - Apel May 17, 2 | 2005-05-17 |
Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
Grant 6,882,240 - Apel April 19, 2 | 2005-04-19 |
Bias circuit with controlled temperature dependence
Grant 6,879,214 - LeSage , et al. April 12, 2 | 2005-04-12 |
Amplifier power control circuit
App 20050068107 - Bachhuber, Stephen P. ; et al. | 2005-03-31 |
Amplifier power control circuit
Grant 6,853,250 - Bachhuber , et al. February 8, 2 | 2005-02-08 |
Active protection circuit for load mismatched power amplifier
App 20040239428 - Apel, Thomas R. | 2004-12-02 |
Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
Grant 6,806,558 - Apel October 19, 2 | 2004-10-19 |
Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
App 20040178861 - Apel, Thomas R. | 2004-09-16 |
Active protection circuit for load mismatched power amplifier
Grant 6,762,647 - Apel July 13, 2 | 2004-07-13 |
Saturated power amplifier with selectable and variable output power levels
App 20040108900 - Apel, Thomas R. | 2004-06-10 |
Linear power amplifier with multiple output power levels
App 20040108901 - Apel, Thomas R. ; et al. | 2004-06-10 |
Resonant bypassed base ballast circuit
Grant 6,727,761 - Apel April 27, 2 | 2004-04-27 |
Amplifier power control circuit
App 20040061557 - Bachhuber, Stephen P. ; et al. | 2004-04-01 |
Bias circuit with controlled temperature dependence
App 20040056721 - LeSage, Steven R. ; et al. | 2004-03-25 |
Amplifier power control circuit
Grant 6,653,902 - Bachhuber , et al. November 25, 2 | 2003-11-25 |
Integrated Segmented And Interdigitated Broadside- And Edge-coupled Transmission Lines
App 20030193079 - Apel, Thomas R. | 2003-10-16 |
RF power amplifier with distributed bias circuit
App 20020084854 - Apel, Thomas R. ; et al. | 2002-07-04 |
Integrated broadside coupled transmission line element
Grant 6,407,647 - Apel , et al. June 18, 2 | 2002-06-18 |
Circuit for simultaneous frequency doubler and mixer
Grant 5,826,183 - Apel October 20, 1 | 1998-10-20 |
Lumped parameter balun
Grant 5,574,411 - Apel , et al. November 12, 1 | 1996-11-12 |
Apparatus and method for high performance wide-band power amplifier monolithic microwave integrated circuits
Grant 5,349,306 - Apel September 20, 1 | 1994-09-20 |
Singly terminated distributed amplifier
Grant 4,540,954 - Apel * September 10, 1 | 1985-09-10 |
Ferrite type directional coupler
Grant 4,467,293 - Apel August 21, 1 | 1984-08-21 |
Singly terminated push-pull distributed amplifier
Grant 4,446,445 - Apel May 1, 1 | 1984-05-01 |
Two loop automatic level control for power amplifier
Grant 4,442,407 - Apel April 10, 1 | 1984-04-10 |
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