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Ring oscillator having a substantially sinusoidal signal 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H03B-005/02
출원번호 US-0574922 (1995-12-19)
발명자 / 주소
  • Kwasniewski Tadeus (Ottawa CAX) Abou-Seido Maamoun (Ottawa CAX) Iliasevitch Stephan (Nepean CAX)
출원인 / 주소
  • PMC-Sierra, Inc. (Burnaby CAX 03)
인용정보 피인용 횟수 : 62  인용 특허 : 3

초록

A ring oscillator comprising an odd number of inverters connected in a ring, and apparatus for driving the ring oscillator so that it oscillates at a frequency slightly less than its maximum oscillating frequency such that harmonics of the oscillating frequency are suppressed.

대표청구항 ▼

A ring oscillator comprising an odd number of inverters connected in a ring, and means for driving the ring oscillator so that it oscillates at a frequency slightly less than its maximum oscillating frequency such that harmonics of said oscillating frequency are suppressed, means for balancing wavef

이 특허에 인용된 특허 (3)

  1. Tomisawa Norio (Hamamatsu JPX), FM demodulation device and FM modulation device employing a CMOS signal delay device.
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  2. Dias Donald R. (Carrollton TX), Integrated circuit random number generator using sampled output of variable frequency oscillator.
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  3. Marchesi Gianmarco (Rivergaro ITX) Torelli Guido (Alessio ITX), Signals generator having non-overlapping phases and high frequency.
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이 특허를 인용한 특허 (62)

  1. Pitkethly, Scott; Masleid, Robert Paul, Advanced repeater utilizing signal distribution delay.
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  2. Pitkethly, Scott, Advanced repeater with duty cycle adjustment.
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  3. Pitkethly, Scott, Advanced repeater with duty cycle adjustment.
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  4. Pitkethly, Scott, Advanced repeater with duty cycle adjustment.
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  5. Chan, Edwin; Qu, Ming; Zhao, Ji, Buffering for LC-based stage.
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  6. Masleid, Robert Paul; Dholabhai, Vatsal, Circuit with enhanced mode and normal mode.
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  7. Masleid, Robert Paul; Kowalczyk, Andre, Circuits and methods for detecting and assisting wire transitions.
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  8. Masleid, Robert, Circuits, systems and methods relating to a dynamic dual domino ring oscillator.
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  9. Masleid,Robert P., Circuits, systems and methods relating to dynamic ring oscillators.
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  10. Masleid, Robert Paul, Column select multiplexer circuit for a domino random access memory array.
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  11. Masleid,Robert P., Column select multiplexer circuit for a domino random access memory array.
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  12. Masleid, Robert Paul, Configurable delay chain with stacked inverter delay elements.
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  13. Masleid, Robert Paul, Configurable delay chain with switching control for tail delay elements.
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  14. Masleid, Robert Paul, Configurable tapered delay chain with multiple sizes of delay elements.
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  15. Gu,Richard X., Cross coupled voltage controlled oscillator.
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  16. Masleid, Robert P.; Pitkethly, Scott, Cross point switch.
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  17. Masleid, Robert P.; Pitkethly, Scott, Cross point switch.
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  18. Masleid, Robert P.; Pitkethly, Scott, Cross point switch.
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  19. Englekirk, Robert Mark, Differential charge pump.
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  20. Masleid, Robert P, Dynamic ring oscillators.
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  21. Sun Lizhong,CAX ; Kwasniewski Tadeusz,CAX ; Iniewski Kris,CAX, High speed wide tuning range multi-phase output ring oscillator.
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  22. Swonger, James W., High voltage ring pump with inverter stages and voltage boosting stages.
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  23. Swonger, James W., High voltage ring pump with inverter stages and voltage boosting stages.
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  24. Gopinathan Venugopal ; Kinget Peter R. ; Long David E. ; Melville Robert C., Injection locked multi-phase signal generator.
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  25. Masleid, Robert P, Inverting zipper repeater circuit.
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  26. Masleid, Robert P., Inverting zipper repeater circuit.
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  27. Masleid, Robert Paul, Inverting zipper repeater circuit.
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  28. Masleid, Robert, Leakage efficient anti-glitch filter.
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  29. Burgener, Mark L.; Kelly, Dylan J.; Cable, James S., Low noise charge pump method and apparatus.
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  30. Burgener, Mark L.; Kelly, Dylan J.; Cable, James S., Low noise charge pump method and apparatus.
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  31. Kim, Tae Youn; Englekirk, Robert Mark, Low-noise high efficiency bias generation circuits and method.
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  32. Kim, Tae Youn; Englekirk, Robert Mark, Low-noise high efficiency bias generation circuits and method.
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  33. Kim, Tae Youn; Englekirk, Robert Mark; Kelly, Dylan J., Low-noise high efficiency bias generation circuits and method.
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  34. Kim, Tae Youn; Englekirk, Robert Mark; Kelly, Dylan J., Low-noise high efficiency bias generation circuits and method.
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  35. Kim, Young Tae, Memory device and driving circuit adopted by the memory device.
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  36. Afghahi, Morteza Cyrus, Oscillator having multi-phase complementary outputs.
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  37. Afghahi, Morteza Cyrus, Oscillator having multi-phase complementary outputs.
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  38. Afghahi,Morteza Cyrus, Oscillator having multi-phase complementary outputs.
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  39. Wang, Tien-Yen, Oscillator with frequency determined by relative magnitudes of current sources.
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  40. Wang, Tien-Yen, Oscillator with frequency determined by relative magnitudes of current sources.
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  41. Kim, Chan-kyung, Oscillator, oscillator implementations and method of generating an osciallating signal.
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  42. Masleid, Robert Paul, Power efficient multiplexer.
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  43. Masleid, Robert Paul, Power efficient multiplexer.
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  44. Masleid, Robert Paul, Power efficient multiplexer.
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  45. Masleid, Robert Paul, Power efficient multiplexer.
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  46. Masleid, Robert Paul; Dholabhai, Vatsal; Klingner, Christian, Repeater circuit having different operating and reset voltage ranges, and methods thereof.
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  47. Masleid, Robert Paul; Dholabhai, Vatsal, Repeater circuit with high performance repeater mode and normal repeater mode, wherein high performance repeater mode has fast reset capability.
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  48. Stoiber, Steven T.; Siu, Stuart, Ring based impedance control of an output driver.
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  49. Stoiber, Steven T.; Siu, Stuart, Ring based impedance control of an output driver.
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  50. Gluseppe La Rosa ; Fernando Guarin ; Kevin Kolvenbach ; Stewart Rauch, III, Ring oscillator design for MOSFET device reliability investigations and its use for in-line monitoring.
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  51. Masleid, Robert Paul; Sousa, Jose; Kottapalli, Venkata, Scannable dynamic circuit latch.
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  52. Lu, Hung-Wen; Su, Chau-Chin, Signal delay circuit.
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  53. Masleid, Robert P.; Burr, James B., Stacked inverter delay chain.
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  54. Gaspard, Nelson; Xu, Yanzhong, Techniques for detecting and correcting errors on a ring oscillator.
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  55. Pitkethly, Scott; Masleid, Robert P., Triple latch flip flop system and method.
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  56. Pitkethly,Scott; Masleid,Robert P., Triple latch flip flop system and method.
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  57. Englekirk, Robert Mark, Variable frequency charge pump.
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  58. Fu, Robert; Osborn, Neal A.; Burr, James B., Voltage compensated integrated circuits.
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  59. Fu, Robert; Osborn, Neal A.; Burr, James B., Voltage compensated integrated circuits.
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  60. Fu,Robert; Osborn,Neal A.; Burr,James B., Voltage compensated integrated circuits.
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  61. Favors ; Jr. Wesley ; MacDonald Eric William ; Mukherjee Subir ; Warriner Lynn Albert, Voltage controlled oscillator utilizing threshold voltage control of silicon on insulator MOSFETS.
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  62. Hoang, Tim Tri; Wong, Wilson; Asaduzzaman, Kazi; Maangat, Simardeep; Shumarayev, Sergey; Patel, Rakesh H., Voltage-controlled oscillator methods and apparatus.
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