I have a pair of data acquisition cards (PCI – DAS4020/12) from Measurement Computing (now part of Adept Scientific). One of those cards fails to calibrate. The cards were purchased at different times. The older card is labelled “made in the U.S.A”. The newer one does not state any country of...
I am currently designing an experiment which will involve working with a piece of equipment that has an “inverted SMA” connector. From what I understand this is an SMA connector in which the outer is the signal and the inner is the ground. I an wondering if this is a standard thing and if so is...