Technical Notebook - Circuits
Here you will find links to some selected small projects that you may have missed the 'first time round', and we humbly acknowledge the original sources where these designs were published.
Members are encouraged to submit their personal favourites for inclusion.
| Title | Description | Source | Author/Designer |
|---|---|---|---|
| Under-Voltage Indicator | A simple under-voltage detector for the station supply. | Radcom, June 2003 (Technical Topics) |
Eric Christer Z21FO |
| Watchdog timer | A watchdog timer to prevent 'transmit' lockups. | Radcom, April 2003 (Data) |
Andy Talbot G4NJT |
| 1KHz to 30MHZ Oscillator | A Simple single chip HF oscillator. | Radcom, June 2001 (Technical topics) |
Unknown |
| Home-brew mobile mike | A great project for mobile operators. | Packet Radio - Jan 2001 | John G8MNY |
| Home-brew QRP SWR Meter | A great project for QRP operators. | Packet Radio - Jan 2001 | John G8MNY |
| Home-brew QRP Power Meter | A great project for QRP operators. | Packet Radio - Jan 2001 | John G8MNY |
| Simple Drill Speed controller | Essential for the DIY'er | Packet Radio - Jan 2001 | John G8MNY |
| Clip-on RF Current meter | Essential for the Radio constructor | Radcom - Dec 2003 | G0SNO |
| MIDI - PC Interface | A simple digital audio interface | Unknown | Unknown |