This circuit is from Mullard documentation from 1969. Transistors support current equivalents. Output transistors must be mounted on heat sinks.
This circuit also detects IR, providing LED indication. The circuit is used to indicate humidity in...
This simple 4-bit digital-to-analog converter was found in a 1974 publication. The transistors can be the...
This circuit found in a 1965 Electronic Design multiplies the frequency of a 400 Hz signal...