This circuit was found in an American documentation from the 80's. The sensor is a special integrated circuit, uncommon in our times. There are modern equivalents.
The integrated circuit used in this amplifier is not common today. The circuit is from a...
Found in an Electronic Design from the 90's, this circuit supplies voltages of 5 V and 3.6 V from...
This circuit was found in ancient American documentation. It provides a 70 Vpp signal at...