Technical Corner

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Radio Builders Forum Established 10th June 2024

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		Subject / Started by	Replies / Views	Last post
		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 · 8915 Views Started by AM081	5 Replies 8915 Views	November 06, 2025, 01:18:29 am by RIGMO
		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 · 6758 Views Started by MonTaylor	0 Replies 6758 Views	July 24, 2025, 07:28:30 am by MonTaylor
		CraneFly LPAM Transmitter CraneFly LPAM Transmitter ZoZo · March 29, 2025, 07:35:19 am Below is a now obsolete PCB design for a simple AM Medium Wave Transmitter, ideally design to work at the upper region of MW in ... 2 Replies · 6468 Views Started by ZoZo	2 Replies 6468 Views	July 08, 2025, 06:52:37 pm by MonTaylor
		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 · 5811 Views Started by guest2	2 Replies 5811 Views	March 20, 2025, 12:29:25 am by Albert H
		BLF245 30W Broadcast Amplifier BLF245 30W Broadcast Amplifier ZoZo · June 16, 2024, 10:09:54 am Hi everyone, heres a FM Broadcast amplifier board designed a few years ago now. Its now a discountinued project, so free for eve... 5 Replies · 9057 Views Started by ZoZo	5 Replies 9057 Views	September 09, 2024, 01:15:29 am by eye102
		nrg 40 amp nrg 40 amp MonTaylor · July 05, 2024, 07:31:56 am Hello Radio Builders is there any checks i can do on this before i put in the BLW 60? i did run power to it like it is a saw a l... 2 Replies · 5953 Views Started by MonTaylor	2 Replies 5953 Views	July 05, 2024, 08:09:07 am by MonTaylor
		Transistor datasheets Transistor datasheets Dave · June 08, 2024, 12:11:39 am Place to upload transistor datasheets and pinout diagrams. 8 Replies · 9512 Views Started by Dave	8 Replies 9512 Views	June 09, 2024, 04:58:04 pm by eye102
		ic microcontroller Datasheets ic microcontroller Datasheets Dave · June 08, 2024, 12:10:49 am Place to upload data sheets for ic microcontrollers 0 Replies · 3487 Views Started by Dave	0 Replies 3487 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 · 3588 Views Started by ZoZo	0 Replies 3588 Views	June 07, 2024, 08:51:32 am by ZoZo
		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 · 3174 Views Started by AM081	0 Replies 3174 Views	January 13, 2022, 10:27:32 pm by AM081
		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 · 3234 Views Started by guest2	1 Replies 3234 Views	September 29, 2021, 11:32:03 pm by rob
		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 · 1989 Views Started by rob	0 Replies 1989 Views	September 18, 2021, 09:19:28 pm by rob

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