Pehlke; David R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pehlke; David R..The latest application filed is for "polar modulation using amplitude modulated quadrature signals".

Company Profile

0.24.11

Pehlke; David R. - Chapel Hill NC
Pehlke; David R. - Chapell Hill NC
Pehlke; David R. - Thousand Oaks CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
System and method for current-mode amplitude modulation Grant 7,333,778 - Pehlke , et al. February 19, 2	2008-02-19
Polar modulation using amplitude modulated quadrature signals Grant 7,023,292 - Pehlke , et al. April 4, 2	2006-04-04
IQ modulation systems and methods that use separate phase and amplitude signal paths Grant 6,975,686 - Khatibzadeh , et al. December 13, 2	2005-12-13
Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components Grant 6,960,956 - Pehlke , et al. November 1, 2	2005-11-01
Polar modulation using amplitude modulated quadrature signals App 20050134396 - Pehlke, David R. ; et al.	2005-06-23
Methods, Transmitters, And Computer Program Products For Transmitting A Signal By Adjusting A Delay Between An Amplitude Component Of The Signal And A Phase Component Of The Signal Based On The Transmission Power Grant 6,909,757 - Justice , et al. June 21, 2	2005-06-21
System and method for current-mode amplitude modulation App 20050032488 - Pehlke, David R. ; et al.	2005-02-10
System and method of RF power amplification Grant 6,839,549 - Pehlke , et al. January 4, 2	2005-01-04
System and method for current-mode amplitude modulation Grant 6,785,521 - Hadjichristos , et al. August 31, 2	2004-08-31
System and method for RF signal amplification Grant 6,738,432 - Pehlke , et al. May 18, 2	2004-05-18
High-level modulation method and apparatus Grant 6,665,525 - Dent , et al. December 16, 2	2003-12-16
Dynamic bias controller for power amplifier circuits App 20030201834 - Pehlke, David R,	2003-10-30
Dynamic bias controller for power amplifier circuits Grant 6,614,309 - Pehlke September 2, 2	2003-09-02
Dynamic Bias Controller For Power Amplifier Circuits App 20030155978 - Pehlke, David R.	2003-08-21
Current modulator with dynamic amplifier impedance compensation Grant 6,566,944 - Pehlke , et al. May 20, 2	2003-05-20
Power amplifier embedded cell bias detection, methods of detecting bias in power amplifiers and systems utilizing embedded cell bias detection Grant 6,545,541 - Pehlke , et al. April 8, 2	2003-04-08
Envelope restoration scheme for linear high-efficiency power amplification Grant 6,522,194 - Pehlke February 18, 2	2003-02-18
High-level modulation method and apparatus App 20020183019 - Dent, Paul W. ; et al.	2002-12-05
Power amplifier embedded cell bias detection, methods of detecting bias in power amplifiers and systems utilizing embedded cell bias detection App 20020180533 - Pehlke, David R. ; et al.	2002-12-05
Methods, transmitters, and computer program products for transmitting a signal by adjusting a delay between an amplitude component of the signal and a phase component of the signal based on the transmission power App 20020168020 - Justice, Scott R. ; et al.	2002-11-14
Triple class E Doherty amplifier topology for high efficiency signal transmitters Grant 6,472,934 - Pehlke October 29, 2	2002-10-29
System and method for current-mode amplitude modulation App 20020137480 - Hadjichristos, Aristotele ; et al.	2002-09-26
System and methodfor RF signal amplification App 20020136325 - Pehlke, David R. ; et al.	2002-09-26
Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components App 20020094791 - Pehlke, David R. ; et al.	2002-07-18
System and method of RF power amplification App 20020077066 - Pehlke, David R. ; et al.	2002-06-20
Class E Doherty amplifier topology for high efficiency signal transmitters Grant 6,396,341 - Pehlke May 28, 2	2002-05-28
Trimmable singleband and tunable multiband integrated oscillator using micro-electromechanical system (MEMS) technology Grant 6,232,847 - Marcy, 5th , et al. May 15, 2	2001-05-15
Integrated tunable high efficiency power amplifier Grant 6,232,841 - Bartlett , et al. May 15, 2	2001-05-15
Frequency synthesizer using micro electro mechanical systems (MEMS) technology and method Grant 6,094,102 - Chang , et al. July 25, 2	2000-07-25
Integrated passive transceiver section Grant 6,049,702 - Tham , et al. April 11, 2	2000-04-11
Integrable high-Q tunable capacitor and method Grant 5,994,985 - Pehlke , et al. November 30, 1	1999-11-30
Tunable-trimmable micro electro mechanical system (MEMS) capacitor Grant 5,959,516 - Chang , et al. September 28, 1	1999-09-28
Monolithically integrated switched capacitor bank using micro electro mechanical system (MEMS) technology Grant 5,880,921 - Tham , et al. March 9, 1	1999-03-09
Integrated tunable inductance network and method Grant 5,872,489 - Chang , et al. February 16, 1	1999-02-16
Integrated variable gain power amplifier and method Grant 5,834,975 - Bartlett , et al. November 10, 1	1998-11-10

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