DIY Benchtop Linear Power Supply for HP 1345A / HP 4145A and 4145B

Описание: Your First Order Free at PCBWay: https://www.pcbway.com/setinvite.aspx...
In this video I show how to build a basic linear power supply for benchtop use.
In this case, to power up a HP 1345A Vector CRT Display to aid in calibration.

The voltage drift was from undersized polyfuses! I removed them and all was good and perfectly stable. :)


The special connectors I used are as follows:

Female connector to connect into rear of 1345A:
https://www.te.com/usa-en/product-1-6...

Female pins (six required):
https://www.te.com/usa-en/product-641...

Strain relief cover for above connectors:
https://www.te.com/usa-en/product-1-3...

Adapter grommet for 7.5mm cable:
https://www.te.com/en/product-2-35037...

If you want to make a simple extender cable to use the power supply from your 4145A/B instead of making a dedicated power supply, you will also need the following:

Male connector to connect into 4145:
https://www.te.com/en/product-1-64051...

Male pins (six required):
https://www.te.com/en/product-350967-...

Strain relief cover for above connectors:
https://www.te.com/usa-en/product-1-3...

Adapter grommet for 7.5mm cable:
https://www.te.com/en/product-2-35037...


Link to 1345A manual etc:
https://drive.google.com/drive/folder...