Archive for 2nd February 2014

HP 6181C DC Current Source Teardown

HP 6181C is a lab grade 0 to 250 mA current source manufactured back in the late 70’s and early 80’s. There does not seem to be any pictures on the Internet for this particular model so I thought I would do a teardown here. Continue reading ‘HP 6181C DC Current Source Teardown’ »