In an amp I have 4 or 5 grounds:
i/p signal
o/p zobel
feedback
speaker
and possibly one for noisy stuff to be added later
I return the speaker to the star point at the junction of the main PSU caps. Should I also return the o/p zobel and feedback to this point individually, or can they join to a star point on the PCB which then is connected via wire to the PSU star point?
Can the i/p signal/PCB ref also use this on-board star point, or should it have its own connection?
Cheers
i/p signal
o/p zobel
feedback
speaker
and possibly one for noisy stuff to be added later
I return the speaker to the star point at the junction of the main PSU caps. Should I also return the o/p zobel and feedback to this point individually, or can they join to a star point on the PCB which then is connected via wire to the PSU star point?
Can the i/p signal/PCB ref also use this on-board star point, or should it have its own connection?
Cheers
You should find some example in this page about wiring a power amp http://users.ece.gatech.edu/~mleach/lowtim/part2.html
- Status
- Not open for further replies.