Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Lecher_lines> ?p ?o }
- Lecher_lines abstract "In electronics, a Lecher line or Lecher wires is a pair of parallel wires or rods that were used to measure the wavelength of radio waves, mainly at UHF and microwave frequencies. They form a short length of balanced transmission line. When attached to a source of radio frequency power such as a radio transmitter, the radio waves form standing waves along their length. By sliding a conductive bar that bridges the two wires along their length, the length of the waves can be physically measured. Austrian physicist Ernst Lecher, improving on techniques used by Oliver Lodge and Heinrich Hertz, developed this method of measuring wavelength around 1888. Lecher lines were used as frequency measuring devices until frequency counters became available after World War 2. They were also used as components, often called "resonant stubs", in UHF and microwave radio equipment such as transmitters, radar sets, and television sets, serving as tank circuits, filters, and impedance matching devices. They are used at frequencies between HF/VHF where lumped components are used, and UHF/SHF where resonant cavities are more practical.".
- Lecher_lines thumbnail Early_Lecher_line.png?width=300.
- Lecher_lines wikiPageExternalLink 5N10_50.GIF.
- Lecher_lines wikiPageExternalLink 002.
- Lecher_lines wikiPageExternalLink El-82.html.
- Lecher_lines wikiPageExternalLink V18N05_145.pdf.
- Lecher_lines wikiPageExternalLink V18N05_163.pdf.
- Lecher_lines wikiPageID "3541696".
- Lecher_lines wikiPageLength "18012".
- Lecher_lines wikiPageOutDegree "88".
- Lecher_lines wikiPageRevisionID "680279902".
- Lecher_lines wikiPageWikiLink Ammeter.
- Lecher_lines wikiPageWikiLink Amplifier.
- Lecher_lines wikiPageWikiLink Antinode.
- Lecher_lines wikiPageWikiLink Audio_power_amplifier.
- Lecher_lines wikiPageWikiLink Balanced_transmission_line.
- Lecher_lines wikiPageWikiLink Breakdown_voltage.
- Lecher_lines wikiPageWikiLink Capacitance.
- Lecher_lines wikiPageWikiLink Capacitor.
- Lecher_lines wikiPageWikiLink Category:Distributed_element_circuits.
- Lecher_lines wikiPageWikiLink Category:Radio_electronics.
- Lecher_lines wikiPageWikiLink Characteristic_impedance.
- Lecher_lines wikiPageWikiLink Electrical_impedance.
- Lecher_lines wikiPageWikiLink Electromagnetic_radiation.
- Lecher_lines wikiPageWikiLink Electromagnetic_wave.
- Lecher_lines wikiPageWikiLink Electronic_component.
- Lecher_lines wikiPageWikiLink Electronic_filter.
- Lecher_lines wikiPageWikiLink Electronics.
- Lecher_lines wikiPageWikiLink Ernst_Lecher.
- Lecher_lines wikiPageWikiLink File:Lecherlinewithtriodes.svg.
- Lecher_lines wikiPageWikiLink Frequency.
- Lecher_lines wikiPageWikiLink Frequency_counter.
- Lecher_lines wikiPageWikiLink Geissler_tube.
- Lecher_lines wikiPageWikiLink Glow_discharge.
- Lecher_lines wikiPageWikiLink Heinrich_Hertz.
- Lecher_lines wikiPageWikiLink Hertz.
- Lecher_lines wikiPageWikiLink High_frequency.
- Lecher_lines wikiPageWikiLink Incandescent_bulb.
- Lecher_lines wikiPageWikiLink Incandescent_light_bulb.
- Lecher_lines wikiPageWikiLink Inductor.
- Lecher_lines wikiPageWikiLink Interference_(physics).
- Lecher_lines wikiPageWikiLink Interference_(wave_propagation).
- Lecher_lines wikiPageWikiLink James_Clerk_Maxwell.
- Lecher_lines wikiPageWikiLink Kundts_tube.
- Lecher_lines wikiPageWikiLink LC_circuit.
- Lecher_lines wikiPageWikiLink Lamp_(electrical_component).
- Lecher_lines wikiPageWikiLink Light_bulb.
- Lecher_lines wikiPageWikiLink Local_oscillator.
- Lecher_lines wikiPageWikiLink Lumped_component.
- Lecher_lines wikiPageWikiLink Lumped_element_model.
- Lecher_lines wikiPageWikiLink MHz.
- Lecher_lines wikiPageWikiLink Microwave.
- Lecher_lines wikiPageWikiLink Neon_light.
- Lecher_lines wikiPageWikiLink Neon_lighting.
- Lecher_lines wikiPageWikiLink Node_(physics).
- Lecher_lines wikiPageWikiLink Ohm.
- Lecher_lines wikiPageWikiLink Oliver_Lodge.
- Lecher_lines wikiPageWikiLink PDF.
- Lecher_lines wikiPageWikiLink Parasitic_capacitance.
- Lecher_lines wikiPageWikiLink Portable_Document_Format.
- Lecher_lines wikiPageWikiLink Power_amplifier.
- Lecher_lines wikiPageWikiLink Prosper-René_Blondlot.
- Lecher_lines wikiPageWikiLink Q_factor.
- Lecher_lines wikiPageWikiLink Radar.
- Lecher_lines wikiPageWikiLink Radio_frequency.
- Lecher_lines wikiPageWikiLink Radio_transmitter.
- Lecher_lines wikiPageWikiLink Radio_wave.
- Lecher_lines wikiPageWikiLink Resonance.
- Lecher_lines wikiPageWikiLink Resonant_cavity.
- Lecher_lines wikiPageWikiLink Resonant_circuit.
- Lecher_lines wikiPageWikiLink Resonant_frequency.
- Lecher_lines wikiPageWikiLink Resonator.
- Lecher_lines wikiPageWikiLink Short_circuit.
- Lecher_lines wikiPageWikiLink Sound.
- Lecher_lines wikiPageWikiLink Sound_wave.
- Lecher_lines wikiPageWikiLink Speed_of_light.
- Lecher_lines wikiPageWikiLink Standing_wave.
- Lecher_lines wikiPageWikiLink Striking_voltage.
- Lecher_lines wikiPageWikiLink Stub_(electronics).
- Lecher_lines wikiPageWikiLink Super_high_frequency.
- Lecher_lines wikiPageWikiLink Tank_circuit.
- Lecher_lines wikiPageWikiLink Television_set.
- Lecher_lines wikiPageWikiLink Transmission_line.
- Lecher_lines wikiPageWikiLink Transmitter.
- Lecher_lines wikiPageWikiLink Tuned_circuit.
- Lecher_lines wikiPageWikiLink Twin-lead.
- Lecher_lines wikiPageWikiLink Twin_lead.
- Lecher_lines wikiPageWikiLink UHF.
- Lecher_lines wikiPageWikiLink Ultra_high_frequency.
- Lecher_lines wikiPageWikiLink VHF.
- Lecher_lines wikiPageWikiLink Varactor_diode.
- Lecher_lines wikiPageWikiLink Varicap.
- Lecher_lines wikiPageWikiLink Very_high_frequency.
- Lecher_lines wikiPageWikiLink Voltmeter.
- Lecher_lines wikiPageWikiLink Wavelength.
- Lecher_lines wikiPageWikiLink File:Early_Lecher_line.png.
- Lecher_lines wikiPageWikiLink File:Lecher_line_educational_kit_1932_labeled.png.
- Lecher_lines wikiPageWikiLink File:Lecher_wire_frame.png.
- Lecher_lines wikiPageWikiLinkText "Lecher arrangement".
- Lecher_lines wikiPageWikiLinkText "Lecher lines".