Through the TTL output this circuit can be used as a shield. The sensor is a platinum probe, and the operational amplifier can be replaced by a modern equivalent, preferably of low voltage.
The purpose of this circuit is to test power supplies functioning as a variable load that can...
This circuit found in the October 1975 issue of Radio Electronics magazine uses an integrated...
We found this circuit in an old Argentine publication from the 1970s. The transistor can be the...