This circuit allows you to read resistors up to 20 M ohms, converting it into voltage. The circuit is from the 90s. The operational ones used admit modern equivalents.
This circuit can produce signals up to 100 kHz depending on C1 and R1 adjustment. The output has a...
The fraction of watt amplifier shown can be powered by voltages from 6 to 9 V. It is not...
This metering bridge circuit uses one power supply only. The operational ones depend on the...