Heathkit Electronic Switch

Today we take a look at a Heathkit Model ID-4101 Electronic Switch. Before there were (affordable) dual trace scopes, this bit of old tech was used to allow a single channel analog oscilloscope display two traces at the same time. Obsolete by today's standards, but still interesting to play around with. 0:00 Introduction 3:22 Hooked to an analog scope 10:29 Hooked to a digital scope 14:40 A look inside 17:44 Wrap-up