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Logarithmic amplifier with universal demodulation capabilities

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H03D-011/04
  • H03D-011/08
  • H03F-001/08
  • H03D-001/08
  • H01P-005/19
  • H01Q-007/00
  • H01Q-021/00
  • H03D-001/18
  • H03D-007/02
  • H03D-007/12
  • H03D-007/16
  • H03F-003/191
  • H03F-003/04
출원번호 US-0750406 (2015-06-25)
등록번호 US-9356561 (2016-05-31)
발명자 / 주소
  • Brown, Forrest
  • Rada, Patrick
  • Dupuy, Alexandre
출원인 / 주소
  • DOCKON AG
대리인 / 주소
    Baker & Hostetler LLP
인용정보 피인용 횟수 : 0  인용 특허 : 50

초록

A logarithmic amplifier (LDA) is described that includes an amplifier configured to oscillate a modulated input signal, a feedback establishing a 180 degree phase shift between the amplifier input and the output and maintaining oscillation of the input signal, a parallel resonant circuit connected t

대표청구항

1. A logarithmic amplifier configured as a low noise amplifier, comprising: a local oscillator (LO) configured to generate first and second oscillation frequency signals;a mixer coupled to the LO, configured to receive an input signal having a first frequency and including a modulated signal and ele

이 특허에 인용된 특허 (50)

  1. Martin, II,Louis Peter; Cooper,John F., Acoustic system for communication in pipelines.
  2. Bassim M. Nabil (Manitoba CAX) Tangri Kris (Manitoba CAX), Apparatus for continuous long-term monitoring of acoustic emission.
  3. Rae James Wilson (Schaumburg IL), Automatic noise limiter.
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  5. Denison, Timothy J., Chopper-stabilized instrumentation amplifier for wireless telemetry.
  6. Garskamp Arnoldus (Eindhoven NLX), Circuit for linearly amplifying and demodulating an AM-modulated signal, and integrated semiconductor element for such c.
  7. Brown, Forrest James; Orsi, Ryan James; Foster, Matthew Robert, Circular polarized compound loop antenna.
  8. Belot, Didier; Begueret, Jean-Baptiste; Deval, Yann; Dallet, Dominique; Mariano, André, Continuous time analogue/digital converter.
  9. Pelissier, Michael; Morche, Dominique, Device and method for ultrawideband reception using a super-regenerative detector.
  10. Schleifer Fred Freybler, Digital super-regenerative detector RF receiver.
  11. Stengel ; Jr. Francis A., Disguised broadband antenna system for vehicles.
  12. Cornwall,Mark K.; Weyrauch,Bruce N.; Delamater,Jeffrey L., Dual mode AM-FM receiver with I-Q decoding, such as for utility data collection.
  13. Obana Bunichi (Kanagawa JPX) Kanazawa Kenichi (Kanagawa JPX), FM communication device with avoidance of interference by substantially same channel FM signal.
  14. Edwards, Timothy Stephen; Boyd, Donald Bruce, Filterless digital frequency locked loop.
  15. Ringland Robert S. (Burlington IA), Frequency modulated signal pre-amplifier with amplitude modulated signal bypass.
  16. Swaminathan, Ashok; Cloutier, Mark Miles; Cherry, James Andrew, Frequency/Phase comparison circuit with gated reference and signal inputs.
  17. Kim, Wan Jong; Cho, Kyoung Joon; Stapleton, Shawn Patrick; Xiao, Ying, High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications.
  18. Cloutier, Mark, Inverted super regenerative receiver.
  19. Brown, Forrest James, Logarithmic detectors.
  20. Deng, Ping Yuan; Kiang, Jean Fu, Low-noise amplifier.
  21. Ardizzone, Giuseppe; Tenten, Robert C., Measurement system for determining desired/undesired ratio of wireless video signals.
  22. Hope, Bjorn R., Method and device for recording characteristic state, amount and composition of a flowing medium.
  23. Bush Harry D. (Palatine IL) Kotzamanis George N. (Schaumburg IL) Tomaszewski James O. (Hoffman Estates IL), Method super-regenerative transceiver, and computer system for providing short range communication with reduced current.
  24. Brown, Forrest James, Modified loop antenna.
  25. Borodulin Dmitriy, N-way RF power combiner/divider.
  26. Thompson Sharon E. (Rolling Meadows IL) Eastmond Bruce C. (Downers Grove IL), Noise blanking arrangement to minimize blanker splatter.
  27. Ridgers, Timothy John, PLL calibration.
  28. Yang, Bao-Wen; Recane, Marion, Pattern matching for real time leak detection and location in pipelines.
  29. Brown, Forrest James, Planar compound loop antenna.
  30. Ishida Kaoru,JPX ; Kosugi Hiroaki,JPX ; Nasuno Isao,JPX ; Nakayama Kazuhiko,JPX, Power amplifier MMIC and mobile communication terminal.
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  32. Rofougaran, Ahmadreza (Reza), RFID using an hybrid on-chip-off-chip transformer.
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  34. Brown, Forrest James, Radio frequency combiners/splitters.
  35. Beumer, Kim E.; Kipfelsberger, Peter; Hisayasu, Philip T., Radio-frequency amplifier system.
  36. Matsuura Shigeo (Yokohama JP) Nagashima Toshio (Yokohama JP) Shinagawa Mitsuhisa (Fujisawa JP), Self-oscillation mixer circuits.
  37. Hidemitsu Kawashima JP; Akihiko Nakamura JP; Yoichi Toguchi JP, Signal receiver and method thereof, transceiver, and network system.
  38. Pomatto ; Sr. Robert P. (4189 S. 300 West #76 Ogden UT 84405), Simultaneous AM and FM transmitter and receiver.
  39. Yeh Hsi-Jen James, Single-stage dual-band low-noise amplifier for use in a wireless communication system receiver.
  40. Yamamoto Michio (Mobara JPX), Spectrum spread receiver and spectrum spread transmitter-receiver including same.
  41. Sadowski,Bogdan, Super-regenerative receiver including phase-locked loop.
  42. Roger Dickerson ; Jimmy Chess ; Jack Lorthioir, Superregenerative circuit.
  43. Minakuchi Yoshikazu (Neyagawa JPX) Abiko Toshio (Ibaragi JPX) Inoue Hiromitsu (Soraku JPX), Superregenerative receiver.
  44. Vennelakanti, V.s.s Kumar; Srinivasa, Ramesh Babu, System and method for handling wide dynamic range signals encountered in vibration analysis using a logarithmic amplifier.
  45. Damgaard, Morten; Rozenblit, Dmitriy; Domino, William J.; Clark, Ricke W., System for closed loop power control using a linear or a non-linear power amplifier.
  46. Nobbe, Dan; Broughton, Robert; Ranta, Tero; Swonger, James; Englekirk, R. Mark, Systems and methods for providing improved power performance in wireless communication systems.
  47. Louzir, Ali; Minard, Philippe; Pintos, Jean-Fran.cedilla.ois, T-circuit produced using microstrip technology with a phase-shifting element.
  48. Fullerton Larry W. (Huntsville AL), Time domain radio transmission system.
  49. Nalbantis, Dimitris; Jones, Christopher Geraint; Tenbroek, Bernard Mark, Transmit power controller.
  50. Terumoto Akatsuka JP; Keisuke Utsunomiya JP, Voltage controlled oscillator with power amplifier.
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