Hi all,
Big electronics novice here, but im trying to repair an old pcb board that limited current using resistors in parallel and a 6 way 2 pole switch to control the current. The issue is resistors kept frying so I suggested a voltage divider to replace it but I am stuck as to how I put a ground on the pcb board as the only inputs Ive got to work with are two coaxial cables (split to get pos and neg on the board), rather than a nice familiar power supply with +- and ground.
Can i just connect the ground plane to a large area of copper?
Regards,
Tripp
Big electronics novice here, but im trying to repair an old pcb board that limited current using resistors in parallel and a 6 way 2 pole switch to control the current. The issue is resistors kept frying so I suggested a voltage divider to replace it but I am stuck as to how I put a ground on the pcb board as the only inputs Ive got to work with are two coaxial cables (split to get pos and neg on the board), rather than a nice familiar power supply with +- and ground.
Can i just connect the ground plane to a large area of copper?
Regards,
Tripp