• Thumbnail for Helical resonator
    A helical resonator is a passive electrical component that can be used as a filter resonator. Physically, a helical resonator is a wire helix surrounded...
    4 KB (475 words) - 19:40, 30 December 2024
  • Thumbnail for Resonator
    or resistors. An example of this, much used in filtering, is the helical resonator. An inductor consisting of a coil of wire, is self-resonant at a certain...
    20 KB (2,662 words) - 05:25, 19 November 2024
  • Thumbnail for Microwave cavity
    reentrant cavity The helical resonator The spiral resonator The split-ring resonator The quarter wave resonator The half wave resonator. A variant of the...
    23 KB (2,738 words) - 20:17, 6 July 2025
  • Thumbnail for Distributed-element circuit
    advantage of dielectric resonators is that they are considerably smaller than the equivalent air-filled cavity. A helical resonator is a helix of wire in...
    48 KB (6,330 words) - 23:23, 22 May 2024
  • Thumbnail for Helical antenna
    A helical antenna is an antenna consisting of one or more conducting wires wound in the form of a helix. A helical antenna made of one helical wire, the...
    19 KB (2,386 words) - 15:07, 24 July 2025
  • Thumbnail for Tesla coil
    transformer secondary coil driving the bottom of a separate third coil helical resonator. Modern 2-coil systems use a single secondary coil. The top of the...
    90 KB (9,939 words) - 13:18, 23 July 2025
  • Thumbnail for Schaffer–Vega diversity system
    threshold. The system achieved high interference rejection by using four helical resonator filters between the antenna and preamplifier stage of each receiver...
    8 KB (871 words) - 17:22, 8 June 2024
  • Thumbnail for Parasitic impedance
    effects to achieve a desired function in a component, see for instance helical resonator or analog delay line. Nonlinear parasitic elements can also arise...
    3 KB (382 words) - 08:11, 10 January 2025
  • Thumbnail for World Wireless System
    used in receive mode at a distant location, also with a grounded helical resonator and an elevated terminal. He believed that the placement of a grounded...
    34 KB (3,904 words) - 13:14, 5 February 2025
  • antenna, such as the monopole or dipole, in which the antenna acts as a resonator, with radio currents traveling in both directions, bouncing back and forth...
    2 KB (298 words) - 08:11, 29 June 2022
  • Thumbnail for Distributed-element filter
    the other by adding or subtracting λ/4 to or from the length). A helical resonator is similar to a stub, in that it requires a distributed-element model...
    52 KB (5,658 words) - 17:14, 4 September 2024
  • Thumbnail for Yaesu FT-817
    receiver's front end. The output of the preamplifier is sent to a helical resonator filter. The output of the filtered and amplified 70 cm path is passed...
    11 KB (1,775 words) - 17:14, 17 May 2025
  • Thumbnail for Torsion (mechanics)
    torsional load, with wrinkles forming at 45° to the shaft axis. A torsional resonator is an analytical system that takes advantage of torsional motion to provide...
    13 KB (1,836 words) - 07:22, 21 July 2025
  • Thumbnail for List of Nikola Tesla patents
    Tesla's Colorado Spring receivers that posed a distributed high-Q helical resonators, radio frequency feedback, crude heterodyne effects, and regeneration...
    75 KB (9,593 words) - 15:54, 15 June 2025
  • internal OAM appearing when a paraxial light beam is in a so-called "helical mode". Helical modes of the electromagnetic field are characterized by a wavefront...
    41 KB (4,848 words) - 07:47, 28 June 2025
  • Thumbnail for Toyota AZ engine
    balanced with eight counterweights and supported by five main bearings. A helical gear pressed in No. 3 counterweight drives twin contra-rotating balance...
    13 KB (1,598 words) - 14:23, 19 July 2025
  • Thumbnail for Slinky
    The Slinky is a helical spring toy invented and developed by American naval engineer Richard T. James in 1943 and successfully demonstrated at Gimbels...
    23 KB (2,651 words) - 22:13, 13 July 2025
  • a liquid crystal in the nematic phase, the desired helical pitch (the distance along the helical axis for one complete rotation of the nematic plane...
    19 KB (2,018 words) - 01:18, 27 May 2025
  • Thumbnail for Backward-wave oscillator
    cavity. In the helical designs, this process occurs along the entire length of the tube, reinforcing the original signal in the helical conductor. The...
    18 KB (2,571 words) - 18:03, 7 January 2025
  • Dielectric resonator antenna Dipole antenna Discone antenna Folded unipole antenna Franklin antenna Ground-plane antenna G5RV antenna Halo antenna Helical antenna...
    13 KB (1,534 words) - 13:11, 25 June 2025
  • applications, like a higher electromechanical coupling coefficient in resonators, due to this doubling. Contrary to quartz, GaPO4 is not found in nature...
    5 KB (336 words) - 09:29, 2 May 2024
  • Thumbnail for Moxon antenna
    Dielectric resonator antenna Dipole antenna Discone antenna Folded unipole antenna Franklin antenna Ground-plane antenna G5RV antenna Halo antenna Helical antenna...
    6 KB (652 words) - 18:59, 28 April 2025
  • Thumbnail for G5RV antenna
    Dielectric resonator antenna Dipole antenna Discone antenna Folded unipole antenna Franklin antenna Ground-plane antenna G5RV antenna Halo antenna Helical antenna...
    5 KB (628 words) - 11:14, 23 November 2024
  • 61337 Filters using waveguide type dielectric resonators IEC 61338 Waveguide type dielectric resonators IEC 61340 Electrostatics IEC 61341 Method of measurement...
    128 KB (17,153 words) - 05:07, 31 March 2025
  • Dielectric resonator antenna Dipole antenna Discone antenna Folded unipole antenna Franklin antenna Ground-plane antenna G5RV antenna Halo antenna Helical antenna...
    2 KB (187 words) - 17:49, 14 December 2024
  • Thumbnail for Sphere packing in a cylinder
    super lenses or optical cloaking. Tanjeem et al. are constructing such a resonator by self-assembling nanospheres on the surface of the cylinder. The nanospheres...
    28 KB (3,247 words) - 05:28, 15 July 2025
  • including LMA fibers with a low-aperture core, micro-structured rod-type fiber helical core or chirally coupled fibers, and tapered double-clad fibers (T-DCF)...
    24 KB (2,829 words) - 02:52, 17 June 2025
  • Thumbnail for Argonne Tandem Linear Accelerator System
    The ATLAS linac is constructed with seven different superconducting resonator designs, each one creating an electromagnetic wave of a different velocity...
    6 KB (559 words) - 19:29, 24 June 2025
  • Thumbnail for Chrysler LA engine
    a 2.5 in (64 mm) exhaust pipe, collector-type Y-junction, and exposed resonator. For 1965 (only), the muffler was of "straight through" construction....
    41 KB (5,433 words) - 22:01, 19 May 2025
  • Thumbnail for Nonlinear optics
    amplifier in a resonator (with no signal input). Optical parametric generation (OPG), like parametric oscillation but without a resonator, using a very...
    53 KB (6,736 words) - 21:42, 19 June 2025