Suitable for repeater or beacon morse code identification.
with your PC and a simple DIY additional interface circuit.
SPECS
Current consumption ~ 10mA
Required supply voltage
8-16Vdc, or 5Vdc if bypassing regulator
| Pic Microchip based circuit,
with stable internal crystal oscillator. Suitable for repeater or beacon morse code identification. |
| Generates morse code at approximately 12wpm and 2kHz tone. |
| Supplied pre-programmed with your desired message and time delay. |
| The ID unit is capable of having
the time delay or message reprogrammed via RS-232 with your PC and a simple DIY additional interface circuit. |
| Can be used with either positive or negative edge triggering to suit your requirements. |
| Also can run in beacon mode, where ident repeats automatically after the set time delay expires. |
| FSK output, which can be used to drive your own audio oscillator or generate true FSK by modulating a crystal or similar. Even drive into a HF rig morse key input by adding a simple transistor switch. |
| The PTT output turns on only while the ident is occuring. |
| Can be used as a fox hunt auto key-up
and ID for a hidden 2m/70cm transmitter. |
| SAMPLE BOARD |
|
SPECS |
|
Current consumption ~ 10mA |
|
Required supply voltage
8-16Vdc, or 5Vdc if bypassing regulator |
| ID speed ~ 12wpm |
| ID tone ~ 2kHz |
| Price: Fully built, programmed and tested - $60 + postage (at cost) |
| Programmed chip only - $25 + postage (at cost) for DIY circuit board builders |
| Contact : daveland100
at gmail dot com |
| |
| Veroboard layout / Circuit diagram |
| Setup and programming info. How to re-program time and morse ID text with the following interface |
| RS-232 Programming interface diagram |
| Windows 3.1 Terminal program - It works with 98/ME/XP and probably W2K |
