Technical Corner

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Subject / Started by	Replies / Views	Last post
Pi linking system Pi linking system MonTaylor · March 11, 2026, 08:05:03 am here is my pi linking system. the TX is a rpi3b with a usb wifi dongle and a usb sound card plugged in. the software used to con... 0 Replies · 499 Views Started by MonTaylor	0 Replies 499 Views	March 11, 2026, 08:05:03 am by MonTaylor
RDS PROJECT 2 RDS PROJECT 2 RIGMO · November 18, 2025, 10:02:45 pm RDS project 2 http://www.g.laroche.free.fr/english/hardware/RDS_USB_ATmega32.html# 0 Replies · 671 Views Started by RIGMO	0 Replies 671 Views	November 18, 2025, 10:02:45 pm by RIGMO
NRG FOUNDER (veronika) Stephen J Moss NRG FOUNDER (veronika) Stephen J Moss RIGMO · December 09, 2025, 08:50:24 am like everything today, capitalism carries on today. the only generator that is resistant to deviation is the seesaw used by Vero... 0 Replies · 832 Views Started by RIGMO	0 Replies 832 Views	December 09, 2025, 08:50:24 am by RIGMO
Kyle Drake - LPAM Handbook - PDF Download Kyle Drake - LPAM Handbook - PDF Download ZoZo · November 26, 2025, 01:07:25 pm Kyle Drakes - Low Power AM Broadcast Handbook which might be interesting to some. It gives some basic theory and simply designs ... 1 Replies · 841 Views Started by ZoZo	1 Replies 841 Views	November 28, 2025, 07:00:50 am by Radioclick1fm
RDS PROJECT 1 RDS PROJECT 1 RIGMO · November 18, 2025, 07:11:31 pm IS posible Build one as on PDF document https://www.youtube.com/watch?v=zWBzTjaiCIM 3 Replies · 1267 Views Started by RIGMO	3 Replies 1267 Views	November 22, 2025, 09:17:48 pm by Radioclick1fm
MC145151P2 Low Phase Noise MC145151P2 Low Phase Noise RIGMO · November 18, 2025, 09:12:56 pm HIQuestion for all sopecialy for Alber HHow To achive speed and stability do anyone heave good solution with outpus φR, φV Phase... 1 Replies · 1298 Views Started by RIGMO	1 Replies 1298 Views	February 02, 2026, 12:16:59 am by Albert H
Sinus Limiter Sinus Limiter eye102 · November 15, 2025, 07:17:51 pm Sinus Limiter files pcb parts list see attachment 2 Replies · 1318 Views Started by eye102	2 Replies 1318 Views	November 17, 2025, 05:49:02 pm by Radioclick1fm
AM Broadcast 6KHz Compressor Limiter AM Broadcast 6KHz Compressor Limiter ZoZo · November 08, 2025, 06:20:22 am Here is a simple yet affective audio processor for AM / Medium Wave broadcasting using just one quad op-amp. In fact only 3 of 4... 1 Replies · 1560 Views Started by ZoZo	1 Replies 1560 Views	November 15, 2025, 11:24:40 am by Multiplex
What bleeder resistor What bleeder resistor radionortheast · December 19, 2025, 08:42:35 am With a long pole as aerial you get the wind blowing can built up static, also from thunderstorms, in the loft you still get the ... 2 Replies · 1664 Views Started by radionortheast	2 Replies 1664 Views	December 22, 2025, 09:22:49 am by radionortheast
FT100 11m ('wideband') mod FT100 11m ('wideband') mod rob · September 18, 2021, 09:19:28 pm The details for modding the Yaesu FT100 to include 11m are readily available on the net, with the mod details having being poste... 0 Replies · 1975 Views Started by rob	0 Replies 1975 Views	September 18, 2021, 09:19:28 pm by rob
hardware silence detector . hardware silence detector . Radioclick1fm · December 28, 2025, 09:42:04 am good schematic if , anyone is going to make a pcb , please share it .i would like to try , Honestly a freind long time make me p... 1 Replies · 2289 Views Started by Radioclick1fm	1 Replies 2289 Views	January 03, 2026, 09:29:39 pm by Albert H
Chinese Rigs Chinese Rigs Steve West · November 25, 2025, 06:58:32 am I've seen one of these on a spectrum analyser with my own eyes. Sprogs galore!Recently found this interesting video and it seems... 5 Replies · 2368 Views Started by Steve West	5 Replies 2368 Views	February 10, 2026, 02:33:41 am by Albert H
Smiley AMP Smiley AMP MonTaylor · November 13, 2025, 07:07:03 am Does anyone know where i can find details on the smiley AMP? i have a driver board and would like a matching AMP. the picture wa... 2 Replies · 2792 Views Started by MonTaylor	2 Replies 2792 Views	November 17, 2025, 07:27:02 am by MonTaylor
Does anyone know how to download from here Does anyone know how to download from here fmradiotuner1 · December 18, 2025, 09:44:19 am Does anyone know how to download from hereI would like to DL or torrent this but really dont get it.https://system18.net/2025/12... 6 Replies · 2902 Views Started by fmradiotuner1	6 Replies 2902 Views	December 28, 2025, 09:40:15 am by Radioclick1fm
Band Pass Filter for 27Mhz Band Pass Filter for 27Mhz guest2 · September 24, 2021, 09:22:01 pm Here's a quick look at a "BPF" for the 11mtr band. This particular Band Pass Filter was built out of necessity for the current W... 1 Replies · 3136 Views Started by guest2	1 Replies 3136 Views	September 29, 2021, 11:32:03 pm by rob
The LPAM Medium Wave Antenna The LPAM Medium Wave Antenna AM081 · January 13, 2022, 10:27:32 pm Here's a basic design for building a 30FT / 10 Meter LPAM Medium Wave Antenna. This antenna is basically comprised of a vertical... 0 Replies · 3140 Views Started by AM081	0 Replies 3140 Views	January 13, 2022, 10:27:32 pm by AM081
NRG PRO IV NRG PRO IV ZoZo · November 08, 2025, 09:41:48 am Here is the NRG PRO IV pcb. This version has only had a minor rework to the mounting holes and the tracing for one track in the ... 7 Replies · 3236 Views Started by ZoZo	7 Replies 3236 Views	November 17, 2025, 07:34:14 am by MonTaylor
ic microcontroller Datasheets ic microcontroller Datasheets Dave · June 08, 2024, 12:10:49 am Place to upload data sheets for ic microcontrollers 0 Replies · 3436 Views Started by Dave	0 Replies 3436 Views	June 08, 2024, 12:10:49 am by Dave
AM Valve Transmitter. AM Valve Transmitter. ZoZo · June 07, 2024, 08:51:32 am Video of an AM valve transmitter, which has been modified regarding its modulation technique. The video talks about the change f... 0 Replies · 3438 Views Started by ZoZo	0 Replies 3438 Views	June 07, 2024, 08:51:32 am by ZoZo
ZoZo FM PLL Driver / Exciter ZoZo FM PLL Driver / Exciter ZoZo · November 02, 2025, 07:42:29 am Here is the ZoZo FM PLL MK3 PCB Revision which is now a project from a few years ago. Below is attached all the Gerber files and... 4 Replies · 3718 Views Started by ZoZo	4 Replies 3718 Views	April 15, 2026, 05:19:35 pm by Nick
RPI to control a TX RPI to control a TX MonTaylor · July 24, 2025, 07:28:30 am im planning on using a RPI 4b to send a stream to a TX. i want to add a touch screen to the RPI and use it to turn the power on ... 0 Replies · 3925 Views Started by MonTaylor	0 Replies 3925 Views	July 24, 2025, 07:28:30 am by MonTaylor
12m antenna mast very practical 12m antenna mast very practical Schmellenschmellen · December 05, 2025, 06:01:23 pm A lot of fun could be had with a copper wire ground plane antenna and one of these. I imagine you could tape one on made from an... 7 Replies · 4060 Views Started by Schmellenschmellen	7 Replies 4060 Views	December 12, 2025, 02:09:18 pm by radionortheast
jvok's Sleazy Listening Stereo Coder jvok's Sleazy Listening Stereo Coder jvok · November 17, 2025, 06:36:37 pm Looks like all the info on this has been lost after Radionecks went down. I even checked Wayback Machine but it didn't archive t... 10 Replies · 4676 Views Started by jvok	10 Replies 4676 Views	February 02, 2026, 12:07:08 am by Albert H
Simple Digi-Vox Circuit Simple Digi-Vox Circuit guest2 · August 26, 2021, 07:14:22 pm This circuit for a simple Digi-Vox unit will allow easy connection between any CB or HF transceiver that is not VOX capable. Bel... 2 Replies · 5503 Views Started by guest2	2 Replies 5503 Views	March 20, 2025, 12:29:25 am by Albert H
Home Made Dummy Load Home Made Dummy Load AM081 · September 12, 2021, 04:52:21 pm There comes a time when when we're all going to need a dummy load at some point. The easiest option for most is to just simple b... 5 Replies · 5699 Views Started by AM081	5 Replies 5699 Views	November 06, 2025, 01:18:29 am by RIGMO

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