July 2023 Blog Posts (3)

Pi4 40Khz CW Transmitter output to HEADHONE JACK: to diode/transformer frequency doubler/amp/antenna

brief demo of using a simple DIODE/TRANSFORMER frequency doubler to get 40Khz CW out of a pi4 headphone jack, by sending to the diode doubler input, 20Khz from the pi's headphone jack

Pi4 HEADPHONE PHONE to diode/transformer/frequency doubler to class D amp input, CLASS D OUTPUT to a series resonant cap to a FERRITE ROD…

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Added by Chuck aa0hw on July 21, 2023 at 12:43pm — 1 Comment

diy Remote Rig Audio over LAN - low latency setup for remote iambic CW operations

full duplex, REMOTE RIG audio over the LAN, via GSTREAMER

https://rumble.com/v2zzcn8-diy-remote-rig-audio-over-lan-low-latency-setup-for-remote-iambic-cw-operat.html?mref=egp3h&mc=atgdc…

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Added by Chuck aa0hw on July 15, 2023 at 6:30am — No Comments

ELF through VLF UNiVERSAL Frequency CONVERTER to Morse Code AUDiO: by STEVE HARRiS's DiODE PROCESSOR

FROM STEVE HARRIS SWH PLUGINS DIODE PROCESSOR 2.32 Diode Processor (diode, 1185) Mangles the signal as if it had been passed through a diode rectifier network.You should probably follow this with a DC offset remover, unless you want the offset. Mode (0 for none, 1 for half wave, 2 for full wave) The mode parameter is continuously variable…

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Added by Chuck aa0hw on July 13, 2023 at 11:19am — No Comments