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Audio Spectrum Analyzer for Real-time, FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter. Multi-Tone Sound Frequency Sweep Generator. White, pink noise.

Contains a PC sound card based signal generator. It can generate functions, multitones, arbitrary waveforms, burst tones, MLS, DTMF, musical scales, white noise and pink noise, and frequency/amplitude sweep. Fully functional free trial downloadable.

A set of utilities for the SSTV enthusiasts. SSTV signal generator, to generate SSTV audio signals from a bitmap. SSTV Signal Viewer to demodulate SSTV signals, anf SSTV Image Denoiser to removes noise from the pictures. By VE3NEA.

This sweeper built for a narrow bandwidth filter adjustment, use a simple 555 version sawtooth wave generator.

Memory recorders, Power meters, testers and multimeters, noise testers, signal generators

This generator requires 100volts supply at 5mA. A 0 -5 mA meter inserted at J1 measures the crystal current.

These pricey battery-powered devices are the only type of generator that can be used indoors safely. The article reviews pro and cons of power stations evaluating runtime, power delivery, power quality, ease of use, and noise.

The video delves into the significance of interference reduction in ham radio setups by utilizing ferrite materials. It demonstrates the use of spectrum analyzers and tracking generators to showcase the performance of ferrite devices in minimizing noise levels. The analysis includes insights on resistance levels, attenuation factors, and the impact of using multiple ferrite clamps or rings to enhance noise reduction capabilities. Viewers gain a deeper understanding of ferrite composition, characteristic curves, and winding techniques for effective noise attenuation in different frequency ranges. Overall, the video serves as a comprehensive guide to optimizing interference reduction in radio environments through the strategic use of ferrite materials.