Fixing a Thermo-electric Temperature controller the ILX Lightwave 5910B from a previous mailbag. After investigation it Peter makes a full replacement Linear power supply and then performs some experiments with a peltier cooler to characterise the temperature dependency of a germanium PN junction.
Total repair cost about £40 not bad!
🔸 Mailbag video - https://youtu.be/RmAtDdg6xPA?si=_lOBq5Uuif3jksBY
🔸 Gerbers etc at https://github.com/pshersby/ILX-LDT-5910B-PSU
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