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DSP : DSP software for ham radio operators - The DXZone.com
https://www.dxzone.com/catalog/Software/DSP/
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. Free programmable DSP-Filter.
Filter design software - The DXZone Amateur-Radio Guide
https://www.dxzone.com/catalog/Software/Filter_Design/
HamCalc v1.3. HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 …
Low Cost open source audio DSP filter for Ham Radios ...
https://radioaficion.com/news/dsp-audio-filter-low-cost/
Low Cost open source audio DSP filter for Radio Hams. It is released as a building block for anyone who wants to design or customise their own audio filters. It is different from commercial offerings because it is. Cheap; Can contain multiple filter profiles based on hi pass, lo pass, band pass or band stop; You can define the filter points in Hz within the code
DL4YHF's Amateur Radio Software: - QSL.net
https://www.qsl.net/dl4yhf/spectra1.html
Hum filter to remove 50 Hz (or 60 Hz) plus harmonics, based on Paul Nicholson's algorithm for a multi-stage comb filter with automatic tracking. If you are interested in improving your Natural Radio reception, read Paul's Notes on Domestic VLF Reception. Frequency converter to shift low "IF"-frequencies (e.g. 17.2 kHz) to audible
Software Tools for Ham Radio Electronics - W8KEA
http://w8kea.org/WP/wp-content/uploads/tech_articles/Software_Tools.pdf
Software tools make ham radio design much easier Many other tools available Excellent design videos on YouTube (i.e., ZL2CTM, K7AGE, W2AEW) Try some designs of your own: 1. Draft design (or start with someone else’s design) 2. Simulate in software, tweak as necessary 3. Build and enjoy! Software Tools for Ham Radio Electronics
Audio Tools and Electronics Software » VE3NCQ
http://www.ve3ncq.ca/wordpress/?page_id=106
DL4YHF’s Amateur Radio Software: Audio Spectrum Analyzer (“Spectrum Lab”) Spectrum Analyzer with Waterfall Display and real-time audio processing. VA3AGM DSP Filter PC sound card based Real-time DSP filter and Spectrum scope by VA3AGM. The program takes the input from a audio source. In Rx mode it can be the Line-In of the sound card. The input signal can be …
Best Open Source Windows Ham Radio Software 2022
https://sourceforge.net/directory/communications/hamradio/os:windows/
fldigi. Ham Radio Digital Modem Application. Fldigi is a modem program for most of the …
Switched capacitive audio filter projects - AmateurRadio.com
https://www.amateurradio.com/switched-capacitive-audio-filter-projects/
If you are using a rig with a transmit offset and sidetone of say, 700 Hz, you can use this trimmer to make that the center-detent frequency. The other on-board trimmer adjusts the audio level into the filters output amp. Using this pot, you can set the overall gain of the filter. This can be used to set the filter for unity gain, if desired.
DSP filter - Real time applications for Ham Radio by VA3AGM
https://www.qsl.net/va3agm/index1.htm
- check the "stop" checkbox to activate the stop band filter Tx button - when activated will switch the audio input from LINE-IN to Microphone and will activate the DTR and RTS signals for the selected COM port Spectrum scope window - vertical bars are spaced at 500hz. The red ones to mark 1khz, 2khz and 3khz
External Audio DSP Filter Module for SSB ... - ELEKITSORPARTS
https://elekitsorparts.com/product/external-audio-dsp-filter-module-for-ssb-cw-ft8x7-dsp-filter
Audio Recording features, up to 512 secs in 11 channels; Specification: Supply voltage: DC 3V by 2 AA-size batteries; Typical current: 150 mA @ 3V DC; Filter type: Audio DSP in Multi-tap FIR < CW 256 taps, SSB 2×128 taps> Module size: 5mm x 33 mm (approx 2.5 x 1.3 inches) Oled display: 1.3″, with 128×64 dots
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