Hits 

Opto Coupler for Keying


Opto Coupler for Keying

With an opto coupler component 4N25 and the circuit in FIG.1, we have excellent isolation between transceiver and computer, because there is not any undesirable "ground loop" between TX & PC

post 01 Nov 2024


Projects_Homebrew Links

170



Moonbounce the Elevation bearing
Like a lot of other homebuilder do, I decided to also use a standard actuator to perform the elevation of the array

Preamplificatore 435 Mhz GaAsFET
GaAsFET adatto alla preamplificazione dei deboli segnali satellitari

Preamplificatore di antenna 144-146 Mhz per satelliti VO-52 e OA-27
Il preamplificatore ha un guadagno elevato con una cifra di rumore molto bassa

PSK31 per tutte le radio
Si riduce alla sola commutazione sfruttando la tensione che viene a crearsi sulla seriale del pc quando il programma in uso va in trasmissione

My homemade electronics stuff


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

Kits and Components

Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters