This current meter with many scales was found in a 80s American documentation. The operational amplifier is from that time, uncommon nowadays.
The MC1436 can also be used on this circuit found in Motorola's 1993 Linear Interface ICs. The...
We found this circuit in an application note from Linear Technology of the 90s. The circuit uses...
This unijunction transistor oscillator is intended for Morse code practice. The circuit is from an...