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Old 24th January 2012, 01:05 PM   #1
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Join Date: Nov 2010
Smile Using OPAMP in stead of discrete parts in AMB σ22 PSU

Well, I am new here. Just thinking of building a nice PSU for myself recently. The first came into my mind is σ22 on amb.org since I have been reading their designs for quite some times. But the sigma 22 uses discrete parts in the design. I don't want to play with transistor pairing and buy some expensive current diode. So after exploring the schematic, I decided to use OPAMP in the design. Then here is the design. You can find the schematic, PCB print and Gerber files in the attachment. I am not quite sure about my design. So there might be some errors. If you find any, please let me know. Thanks.
Attached Files
File Type: pdf Sigma22 Lite.pdf (53.5 KB, 38 views)
File Type: pdf Sigma22 Lite PCB.pdf (75.9 KB, 12 views)
File Type: zip Sigma22-Lite_release_files.zip (28.6 KB, 5 views)
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