frequency analyser

frequency analyser

Antennas : Traps

• RF Trap Resonant Frequency - RF traps for a lightweight 40/30/20/17/15m inverted V dipole antenna for SOTA purposes and how you can use a modern antenna analyser to find the resonant frequency of a HF trap.
  [ Hits: 199 | Votes: 0 | Rating: 0 ]

• Spectrum Lab  ^pop - DL4YHF's Audio Spectrum Analyser Spectrum Lab or Speclab started as a simple FFT program running under DOS a long time ago, but it is now a specialized audio analyzer, filter, frequency converter, hum filter, data logger and more. Can be used for MTHELL QRSS, DFCW, PSK, MSK, Castle
  [ Hits: 47777 | Votes: 56 | Rating: 6.97 ]

• Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser
  [ Hits: 14612 | Votes: 16 | Rating: 7.75 ]

• Sweep Generator - A sweep generator that produces a sawtooth waveform which sweeps the oscilloscope beam from left to right via its X input, and simultaneously the VCO frequency.
  [ Hits: 675 | Votes: 2 | Rating: 1 ]

• Analog HF Antenna Analyser - A simple antenna analyser for the HF spectrum with a built-in signal generator with 3-digit LED frequency display.
  [ Hits: 1016 | Votes: 0 | Rating: 0 ]