toroid inductor

toroid inductor

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Antennas : Receiving

• HF Receive Antenna - This page describes a couple of parts box medicine bottle antennas that you can build. The ground side of the capacitor is soldered to the ground of the BNC connector. The positive side of the capacitor takes 5 turns around the toroid and is soldered back to itself. The center pin of the BNC connector takes 5 turns around the toroid and then continues on to the wire wound inductor. From there the antenna continues with an attached piece of wire.
  [ Hits: 191 | Votes: 2 | Rating: 3 ]

• The Z Match Using a Toroidal Core Coil - Combined with Miniature Tuning Gang Capacitors, a toroidal core inductor is a means to assemble a compact Z Match assembly for Low Power (QRP) use.
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• Z Match with Toroid - A single coil Z-Match. This QRP version by G3WQW, using a T130-2 toroidal inductor and polyvaricon variable capacitors was published in Sprat 84.
  [ Hits: 100 | Votes: 0 | Rating: 0 ]

• Communication Coil - Communication Coil, Inc. designs and produces custom, high reliability Filter Networks, RF Coils, Chokes, Inductors, Baluns, Toroids and Power Magnetics for communications
  [ Hits: 807 | Votes: 0 | Rating: 0 ]
• CET Technology - Manufactures Flyback, Switching, Audio, Toroidal, Current Sense & Custom Trasformer, Drumcore & PFC Inductor, Common Mode Chokes.
  [ Hits: 136 | Votes: 0 | Rating: 0 ]

• Kits and Parts dot Com - Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists. Capacitos, filters, inductors, qrp products
  [ Hits: 819 | Votes: 0 | Rating: 0 ]

• Coil32 - Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils. The application is free for usage and distributing.
  [ Hits: 1571 | Votes: 6 | Rating: 7 ]

• Choosing Wire Size for Toroidal Inductors - Measurements that show it doesn't make much difference
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• A compact 5 bands remote switchable BPF - These band filters are based on 3 or 5 sections Butterworth band pass filters, maintaining 50 Ohm impedance, and when built around toroidal inductors, can be made very compact.
  [ Hits: 223 | Votes: 0 | Rating: 0 ]