"Invention, it must be humbly admitted, does not consist in creating out of void, but out of chaos" 

-  Mary Shelley


Patents from the Larson Group

1 U.S. Patent # 4,682,149: "High Resolution Pipelined Digital-to-Analog Converter" (July 1987).

2 U.S. Patent # 4,872,010: "Analog-to-Digital Converter Made with Focused Ion Beam Technology", with J. Jensen, R. Walden, and A. Schmitz (October 1989).

3 U.S. Patent # 4,896.121: "Current Mirror for Depletion-Mode Field Effect Transistor Technology" (January 1990).

4 U.S. Patent # 4,951,303: "High Speed Digital Programmable Frequency Divider" (August 1990).

5 U.S. Patent # 4,977,403: "Digital Correction Circuit for Data Converters" (December 1990).

6 European Patent #E91303050.8: "HEMT Structure with Passivated Donor Layer", with M. Delaney, U. Mishra, and L. Nguyen (June 1991).

7 U.S. Patent # 5,049,522: “Semiconductive Arrangement Having Dissimilar, Laterally Spaced Layer Structures, and Process for Fabricating the Same”, with W. Stanchina (September 1991).

8 U.S. Patent # 5,087,482: "Improved Electrostatically Movable Planar Transmission Line for Microwave Integrated Circuits" (March 1992).

9 U.S. Patent # 5,121,089: "Micro-Machined Switch and Method of Fabrication" (June 1992).

10  U.S. Patent # 5,146,117: "FET Logic Gate Whose Function is Determined by Ion Implantation" (September 1992).

11  U.S. Patent # 5,164,688: “Miniature Microwave and Millimeter Wave Tuner” (November 1992).

12  U.S. Patent # 5,168,249: “Miniature Microwave and Millimeter Wave Tunable Circuit” (December 1992).

13  U.S. Patent # 5,172,197: “HEMT Structure With Passivated Donor Layer” (December 1992).

14  U-.S. Patent # 5,175,521: “Miniature Dynamically Tunable Microwave and Millimeter Wave Device” (December 1992).

15  "Hybrid Bipolar/Field-Effect Power Transistor in Group III-V Material System" with P. Asbeck and J. Brown (September 1994).

16  U.S. Patent # 5,420,422: “N-Type Antimony-Based Strained Layer Superlattice”, with T. Hasenberg and A. Brown (May 1995).

17  U.S. Patent # 5,489,549: “Method of Fabricating N-Type Antimony-Based Strained Layer Superlattice”,  with T. Hasenberg, A. Brown  (February 1996).

18  U.S. Patent # 5,528,209: “Monolithic microwave integrated circuit and method for fabricating same,” with P. MacDonald, M. Case, M. Chen, and D. Rensch (July, 1996).  

19  U.S. Patent # 5,757,074: “Microwave/millimeter Wave Circuit Structure with Discrete Flip-Chip Mounted Elements” (1998).  

20  U.S. Patent # 5,629,241: “Microwave/millimeter Wave Circuit Structure with Discrete Flip-Chip Mounted Elements, and Method of Fabricating the Same” (1998). 

21  U.S. Patent # 5,835,128: "Wireless redistribution of television signals in a multiple dwelling unit" (1998). 

22  U.S. Patent # 5,554,865: "Integrated transmit/receive switch/low noise amplifier with dissimilar semiconductors devices" (1996). 

23  U.S. Patent # 6,310,906: “Chaotic Carrier Pulse Position Modulation Communication System and Method” H. Abarbanel, N. Rulkov, M. Suschik, L. Tsimring, L. Larson and A. Volkovskii (2001).  

24  U.S. Patent # 6,304,623: “Precision timing generator system and method” (2001). J. Richards; P. Jett;  L. Fullerton; W. Larry; L. Larson and D. Rowe.

25  US Patent #6,396,347: “Low-Power, Low-Noise Dual-Gain Amplifier Topology and Method,” (2002), D. Lie and L. Larson

26  US Patent #6,421,389: “Baseband signal converter for a wideband impulse radio receiver”, (2002)P. Jett, L. Larson, B. Pollack and D. Rowe.

27  United States Patent 6,504,447, “Microelectromechanical RF and microwave frequency power limiter and electrostatic device protection,” D. Laney; M. Matloubian and L. Larson (2003)

28  US Patent 6,577,691, “Precision timing generator apparatus and associated methods,” J. Richards, P. Jett, L. Fullerton, L. Larson, and D. Rowe (2003) 

29  US Patent 6,636,573, “Precision timing generator system and method,” J. Richards, P. Jett, L. Fullerton, L. Larson and D. Rowe, (2003)

30  US Patent 6,735,424, “S-band low-noise amplifier with self-adjusting bias for improved power consumption and dynamic range in a mobile environment,” L. Larson and W. Xiong (2004)

31  US Patent 6,847,266, “Microelectromechanical RF and microwave frequency power regulator,” D. Laney, M. Matloubian, and L. Larson (2004)

32  US Patent 6,915,117, “Multistage modulation architecture and method in a radio,” P. Chominski; J.  Kennedy, L. Larson; J. Park, (2005)

33  US Patent 6,917,268, “Lateral microelectromechanical system switch,” H. Deligianni; C. Jahnes, J.  Lund, L. Larson (2005)

34  US Patent 6,937,663, “Baseband signal converter for a wideband impulse radio receiver,” P. Jett, L. Larson, B. Pollack; D. Rowe (2005) 

35  US Patent  6,950,485, “Precision timing generator apparatus and associated methods,” P. Jett, L. Larson, B. Pollack; D. Rowe  (2005)

36  US Patent 6,977,569 “Lateral microelectromechanical system switch,” H. Deligianni; C. Jahnes, J. Lund, L. Larson, (2005)

37  US Patent 7,567,123, “Adaptive bias current circuit and method for amplifiers,” V. Leung, P. Gudem, and L. Larson, (2010)

38  US Patent 7,652,532, “Correlation method for monitoring power amplifier,” M. Li, P. Asbeck, I. Galton, and L. Larson, (2010)

39  US Patent 6,828,858, “CMOS class AB power amplifier with cancellation of nonlinearity due to change in gate capacitance of a NMOS input transistor with switching,” L. Larson, C. Wang, (2008)

40  US Patent 7,902,585 “Linear variable voltage diode capacitor and adaptive matching networks”, L. Larson and LC deVreede. (2010)

41  US Patent 8,242,868 “Multiple sub-carrier selection diversity architecture and method for wireless OFDM, L. Larson, Y. Sun and P. Gudem (2013)       

42 US Patent 9,876,518: “Capacitive Passive Mixer Baseband Receiver with Harmonic Rejection,” C. Kim, G. Cauwnbergh, C. Thomas and L. Larson. 2018

43 US Patent 9,853,623, “High-Selectivity Passive Low-Loss Duplexer Filter.” 2018, L. Larson