variable

variable

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• 40m portable antenna tuner - A small-sized portable antenna tuner for the 40 meter band end-fed half wave antenna based on a toroid core and a variable capacitor by VK5ZVS
  [ Hits: 2158 | Votes: 7 | Rating: 8.14 ]

• Magnetic Loop QRO - Magnetic Loop with high-voltage variable capacitor and variable entry point by OE1VFW
  [ Hits: 728 | Votes: 3 | Rating: 1 ]
• Coca Cola Loop Antenna - The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans
  [ Hits: 2647 | Votes: 9 | Rating: 6.33 ]
• Ham Radio Loop Antenna - Amateur radio loop antenna project using a Comet CVBA-500BC vacuum variable capacitor.
  [ Hits: 256 | Votes: 0 | Rating: 0 ]

• A Variable Base-Loading-Coil - A Variable Base-Loading-Coil for use under a HF Mobile Whip
  [ Hits: 1221 | Votes: 1 | Rating: 9 ]

• QRP Z-Match Tuner 40-10m - The Z Match is really a basic L Match consisting of a series capcitor and variable shunt inductor, coupled to the antenna using the RF transformer action.
  [ Hits: 1800 | Votes: 0 | Rating: 0 ]

• HA8DU Antenna Tuners - HA8DU European manufacturer of quality amateur radio antenna tuners for HF Bands, from 10 meter to 160 meters band. Products includes manual and automatic antenna tuners, power handling till 3.5 KW. HA8DU produce even custom made variable capacitors and rotary switches.
  [ Hits: 399 | Votes: 4 | Rating: 7.5 ]

• Active Antenna Amplifier - Manufacturer of amplifier for small magnetic and electric receiving wideband antennas, and variable delay line kit for active antenna phased arrays
  [ Hits: 279 | Votes: 0 | Rating: 0 ]

• Hittite Microwave Corporation - Amplifiers, filters, attenuators, mixers, PLL, switches and frequency dividers, signal generators, power detectors, transimpedance amplifiers, variable gain amplifiers and more
  [ Hits: 555 | Votes: 0 | Rating: 0 ]

• Variacs - Variable Autotransformer - Use these Variac auto transformers for specific application requirements that include, but are not limited to, home coffee roasting, tube amps, and more.
  [ Hits: 337 | Votes: 0 | Rating: 0 ]

• A method to listen to QRSS signals - An unique method to listen to QRSS signals is... using an old tape recorder with variable speed
  [ Hits: 238 | Votes: 0 | Rating: 0 ]

• Otto Schubert GmbH - Electronic components distributor based in Gemany offer a variety of variable capacitors and other hard-to-find components.
  [ Hits: 337 | Votes: 0 | Rating: 0 ]

• Hagerty Radio Company - Offer a Direct Digital VFO Kits (variable-frequency oscillator) using the Analog Devices AD9951 by WA1FFL
  [ Hits: 371 | Votes: 1 | Rating: 8 ]

• AutoEZ - Automated use of EZNEC. AutoEZ is an Excel application that works in conjunction with the EZNEC antenna modeling programs and allows you to use variables to control diverse aspects of the model. You can then run multiple EZNEC test cases while AutoEZ automatically changes one or more variables between runs. Commercial version and free demo available for download.
  [ Hits: 515 | Votes: 1 | Rating: 7 ]

• Online Signal Generator - An online audio signal generator application capable to reproduce different waveforms with variable frequency range
  [ Hits: 3483 | Votes: 44 | Rating: 4.84 ]

• A home-built low-pass filter for 4m - This unit uses four capacitors, only two of which are variables, and a single tapped coil. It is built in a die-cast box, and has been tested up to 80W input power on 70MHz by G4CJZ
  [ Hits: 588 | Votes: 0 | Rating: 0 ]

• Home Made 5KV Capacitor - Building a high voltage (5KV), variable plate capacitor (17 to 220pF)
  [ Hits: 1359 | Votes: 7 | Rating: 7.28 ]

• M0KGK Keyer - The M0KGK keyer with variable speed and weight controls utilising a low cost PIC microcontroller.
  [ Hits: 777 | Votes: 0 | Rating: 0 ]

• Variable Regulated Power Supply - 1.2 to 30 Volts 1.5 Amps Power Supply
  [ Hits: 696 | Votes: 1 | Rating: 10 ]
• LM338 Power Supply Project - Variable Power Supply for the bench
  [ Hits: 656 | Votes: 0 | Rating: 0 ]

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