Amateur Radio Signal Generator Programs
Find software tools that use your PC's sound card to generate various audio waveforms, test tones, and modulation signals for ham radio applications.
Hams often need a reliable signal generator for testing equipment, aligning transceivers, or experimenting with new modes. These tools create precise audio or radio frequency signals, essential for troubleshooting and performance checks on the workbench. Whether you are building a new antenna tuner, checking the linearity of an amplifier, or just need a stable tone for receiver alignment, a good signal source is invaluable for any ham radio station.
This category offers various software-based signal generators that turn a PC sound card into a versatile test instrument. Operators can find tools for generating sine waves, DTMF tones, and complex waveforms for digital modes like JT65 and PSK31. Programs like SigJenny and WSCGen provide capabilities for creating continuous tones, CW, and even sweep functions for measuring frequency responses, making them useful for both audio and RF projects.
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Freeware windows Wave Generator use the sound card's output as sine wave output. A built in sweep algorithm is used by audio hackers to measure frequency repsonses of their amplifiers -
This app will give you a 16 tone DTMF keypad and the ability to generate custom DTMF sequences, and set the duration and tone to silence ratio. Includes the characters 1234567890*# and the menu tones ABCD. You may enter a custom sequence via the keypad, soft keyboard, or speech if your device already has speech-to-text capability. This is basically a touch tone telephone keypad, which may be of interest to amateur ham radio repeater operators -
Easy to use double tone IQ-generator for testing direct conversion SSB-transmitters based on phasemethod etc. -
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. -
SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car! -
TCUBE is a combination of a Spectrum Analyzer and a Two Tone Generator, with optional quadrature outputs. It can be used for measuring the intermodulation behavior of an audio circuit, and as a general purpose tool -
This Test Tone Generator (TTG) turns your PC into a function generator and enables you to demonstrate, test and tune sound systems, create sound effects and a whole range of other uses to suit your needs. It can also be used for educational purposes. -
Signal generator using the PC soundcard to output continuous tone, CW, SSTV, AO-40 telemetry, and PSK31 test signals with variable AWGN. The program will also output to a RIFF .wav file by AE4JY -
Windows signal function generator sotfware, offers 4 main channels, 4 modulators, 1 measurement generator, 1 frequency standard generator, Amplitude, phase and frequency modulation, can generates real band-limited signals -
An online audio signal generator application capable to reproduce different waveforms with variable frequency range -
MacOSX real-time precision signal / waveform generator. Uses native Mac sound Out capabilities.