The Schematics
The schematics, page 1 and 6.
Click on the picture to get a larger view. The picture shows the schematics of the amp. Of course you can't use it for anything except for an overview. Please download the pdf-file instead if you want to see the details.
Page 1 and 6 are the main pages. Here are the whole amp except for the optional output stage and the power supply.
The schematics, page 2 and 7.
Click on the picture to get a larger view. The picture shows the schematics of the amp. Of course you can't use it for anything except for an overview. Please download the pdf-file instead if you want to see the details.
The pcb is equipt with options for a general output stage. You can use MOSFET's, JFET's (if you can find any?) and ordinary bipolars. I have covered three different pinnings so every TO126 or T0220 part will fit as long as the electrical parameters are sufficient.
The schematics, page 3 and 8.
Click on the picture to get a larger view. The picture shows the schematics of the amp. Of course you can't use it for anything except for an overview. Please download the pdf-file instead if you want to see the details.
The DC-servo and the temperature regulation circuit.
The schematics, page 4 and 9.
Click on the picture to get a larger view. The picture shows the schematics of the amp. Of course you can't use it for anything except for an overview. Please download the pdf-file instead if you want to see the details.
The stabilized power supply. Note that there is an option for using a low profile transformer or for a "normal" one.
The schematics, page 5
Click on the picture to get a larger view. The picture shows the schematics of the amp. Of course you can't use it for anything except for an overview. Please download the pdf-file instead if you want to see the details.
SMD alternatives for all transistors.