Search found 3 matches

by knightstreet
Mon Oct 13, 2025 4:58 pm
Forum: Technical Discussion
Topic: Designing a single stage with a PSU
Replies: 6
Views: 302

Re: Designing a single stage with a PSU

Yes Glenn, that's the ultimate aim. I just needed verification that this was sound thinking so thank you for answering. I'm an inherent self-doubter so any type of reply that confirms/challenges my questioins are a great help so thank you both for the input. From the diagram I expect the Power stage...
by knightstreet
Mon Oct 13, 2025 2:21 pm
Forum: Technical Discussion
Topic: Designing a single stage with a PSU
Replies: 6
Views: 302

Re: Designing a single stage with a PSU

Thanks sluckey, I have the relevant books (Morgan Jones, Merlin Blencowe) and have seen similar diagrams. The diagram assumes you have designed all the stages and all the currents are being drawn which accounts for the 6mA accross the 4.7k to give a 28v drop accross the first resistor and each drop ...
by knightstreet
Mon Oct 13, 2025 8:40 am
Forum: Technical Discussion
Topic: Designing a single stage with a PSU
Replies: 6
Views: 302

Designing a single stage with a PSU

I'm attempting to design a single preamp stage for a guitar amp. I have a JTM45 PSU and the kit to get a rectifier up and running (GZ34 based). My question is how do I step the voltage down to the required input voltage to the anode with the required smoothing for the initial stage of the amplifier....