1. System and method for adaptive antenna impedance matching

2. The input impedance also deteriorates at high frequencies.

3. Disclosed is an internal antenna that supports wideband impedance matching.

4. The input impedance is high since the input is connected directly to the Comparator…

5. This provides a relatively high input impedance looking into their bases and a low output impedance at the emitters.

6. The impedance of the battery alone is enough to regulate their input.

7. An operational Amplifier commonly known as op-amp is a two-input single-output differential voltage Amplifier which is characterized by high gain, high input impedance and low output impedance

8. High gain, frequency tunable variable impedance transmission line loaded antenna providing multi-band operation

9. High gain, frequency tunable variable impedance transmission line loaded antenna with radiating and tuning wing

10. Built-in antenna which supports broadband impedance matching and has feeding patch coupled to substrate

11. A RFID dipole tag antenna with meander-line is manufactured, and a measurement on the impedance of RFID tag antenna with a baffle-board is presented.

12. Here the half-section is said to convert the load to impedance at the input.

13. Provides a volumetrically efficient antenna with wide radiation pattern bandwidth and wide impedance bandwidth that are relatively independent.

14. The input amplifier provides a dc current path to a ground terminal while maintaining a high input impedance to ac signals at audio frequencies.

15. The admittance or impedance may be determined by measuring the input voltage (22) and current (20).

16. Negative series-inserted feedback always raises the input impedance while negative shunt-inserted feedback reduces it.

17. At low-enough frequencies to satisfy, the input impedance is virtually which is becoming very large.

18. Low-impedance microphones should be connected through low-impedance microphone cables, and their use may require adjustments in the amplifier, such as adding input transformers to receive the low-impedance signal and match it to the amplifier.

19. An ac-coupled differential amplifier having a high common mode rejection ratio (CMRR) and input impedance is disclosed.

20. The non-capacitive impedance means is adapted to increase conduction time of input current drawn from the AC supply.

21. Its high input impedance means that it does not load a signal source which it copies at its output.

22. An antenna and system for determining azimuth of input signals includes ambiguous and non-ambiguous circular array interferometers.

23. In an example, the MA detector circuit can include a physiologic impedance input configured to receive physiologic information indicative of mechanical alternans.

24. Disclosed are an antenna facilitating impedance matching with a wireless IC to reduce deterioration of gain, and a wireless IC device provided with the same.

25. The Solarcon Antron A99 Fiberglass Base Station Antenna features the Solarcon Twin Ring Adjust-A-Match tuning making it possible to tune the input to the antenna and obtain the optimum S.W.R

26. RCA VH101R Outdoor Matching Transformer, Converts Flat Antenna Leads to Coaxial Cable, Connects a Coaxial F Connector Input on a TV to a Flat Antenna 300 Ohm Wire Lead Model #: A00VTCVESK Item #: 9SIAE87A309833

27. According to the present invention, the power amplifier comprises: a power amplification circuit which amplifies an input signal; an output matching circuit which is connected to an output end of the power amplification circuit, and performs impedance matching between the power amplification circuit and an antenna load; and a four-port coupler which is connected between the output matching circuit and the antenna load.

28. Adaptive impedance matching

29. Integrated adaptive antenna of a multibeam antenna

30. The impedance having between power supply input and output load, connect feed back control network autoregulati0on tune resistance, for stabilized voltage, it is series regulator .

31. A frequency dependent line input impedance (Zin,(f)), as seen from the transmitter, is measured and an absolute impedance value (æ Zin,(f) æ) is generated. The latter is shown as a curve (Al) in the diagram with the frequency (f) on the abscissa and the impedance (æ Zin,(f) æ) on the ordinate.

32. Antonyms for Impedance Cardiography

33. An impedance adapter (2) contains a H.F. emitter or receiver (3) coupled by an adapter circuit (5) to two regulators (6, 7) at a transmitting or receiving antenna (4).

34. Adaptive array antenna device and antenna control method

35. Log periodic dipole antenna-coupled yagi antenna

36. Adjustable-impedance choke coil

37. Audiometer, acoustic impedance meter

38. See more ideas about antenna, Cobweb, ham radio antenna.

39. ZR = acoustic impedance of substrate

40. Dipole antenna

41. Impedance monitoring is also helpful, and an impedance fall of 20 ohm may predict Coagulum formation

42. Antenna position

43. Antenna splitting method and controller in active antenna system

44. Disclosed is an antenna device that improves the antenna gain and reduces the correlation for a MIMO antenna.

45. The tape has an acoustic impedance within 40% of the acoustic impedance of the liquid coupling medium.

46. Line Impedance: < 0.25 ohm

47. Happy X Unhappy Impedance X Admittance.

48. Whip antenna: whip-shaped antenna used for sending and receiving waves.

49. Adaptive array antenna device and base station adaptive array antenna device

50. Admittance is the inverse of impedance

51. The superelectrons present an inductive impedance.

52. VILP? Vector Impedance Locus Plotter?

53. This kind of antenna is called non frequency transforming antenna, a typical instance is plane isogonal corkscrew antenna.

54. Antenna matching circuit

55. Aerials (power antenna)

56. Reset antenna alignment.

57. An active antenna

58. MAT-TUNER Automatic Antenna Tuners cover an extremely broad impedance matching range of 5-1500 ohms, to achieve SWR handling far in excess of a transceiver's internal ATU and of other external tuners

59. Adaptive array antenna receiver apparatus and antenna array calibration method

60. Antenna element as capacitive proximity/touch sensor for adaptive antenna performance improvement

61. Adaptive antenna array

62. Broadband dipole antenna

63. It is obvious that Bevelings improve the impedance matching efiectively, especially the bandwidth of the high frequency, because they can reduce the re°ection loss of the antenna and increase the energy

64. What are synonyms for Impedance Cardiography?

65. The feedback network (40) presents an impedance matrix producing a negative feedback such that the transfer admittance matrix of the multiple-input and multiple-output amplifier approximates a given admittance matrix.

66. The variable impedance matching circuit may be adapted to match the output impedance of the power amplifier.

67. A fixed impedance in parallel with a variable impedance form a high pass filter with a capacitor.

68. Techniques for improved adaptive impedance matching

69. • by measuring mechanical or acoustic impedance

70. Synonyms for Impedance Cardiography in Free Thesaurus

71. Power amplifier insensitive to load impedance changes

72. From this point impedance checks are continuous, the device only allows shock in case of acceptable satisfactory impedance.

73. In certain embodiments, a reconfigurable antenna may include an active driven antenna element.

74. The representative impedance value can be calculated using an adaptation process, or using an estimated distribution of the impedance measurements.

75. A method for scaling the impedance measured during the course of an electrophysiology study accounts for impedance drifts.

76. Scheme for rapid adjustment of network impedance

77. Internal antenna module

78. Provided are a conductive structure for a high gain antenna and an antenna.

79. Active optical antenna

80. Adaptable antenna system