We found this circuit in a 73, magazine for radio amateurs of the 90s. The circuit is passive and most telecommunications receivers can be added.
This circuit is from Mullard documentation from 1969. Transistors support current equivalents. Output...
This circuit or practical idea comes from a time when cheap solar cells were not available (1992). What is...
From an input signal, and using an unusual current source, this circuit generates a ramp, that is, a...