With the name of Trouble Chaser – Hunter of Problems, this bench circuit was published in a Radio Craft of April of 1946. It was a follower, tube signal analyzer with transformerless supply from the power grid. The magazine taught how to build.

With the name of Trouble Chaser – Hunter of Problems, this bench circuit was published in a Radio Craft of April of 1946. It was a follower, tube signal analyzer with transformerless supply from the power grid. The magazine taught how to build.