I recently build 2 pedals something akin to a EQD Dirt Transmitter only with trimpots for both collectors and the shunt feedback resistor as well as a switch to swap the caps between the emitters.
I've got Russian Germaniums in both. One pedal is +9 NPN and the other pedal is -9 PNP.
On the -9 one I used a 3pdt-05 RoadRage charge pump on a footswitch board from the shop. I used a Max 1044, the jumper and the correct diode for the chip.
I works first off but then somehow the charge pump stops working.
The only thing that I can think of is that maybe charge pump's don't like how I have the jacks wired. I currently have both input and output wired so that the jack grounds when there is no plug in the socket.
Is this what's blowing my charge pumps?
I've got Russian Germaniums in both. One pedal is +9 NPN and the other pedal is -9 PNP.
On the -9 one I used a 3pdt-05 RoadRage charge pump on a footswitch board from the shop. I used a Max 1044, the jumper and the correct diode for the chip.
I works first off but then somehow the charge pump stops working.
The only thing that I can think of is that maybe charge pump's don't like how I have the jacks wired. I currently have both input and output wired so that the jack grounds when there is no plug in the socket.
Is this what's blowing my charge pumps?