We found this configuration in a 1974 publication. Transistors can be replaced with equivalents such as 2N2222. The circuit has a dynamic range of 60 dB.
This circuit is from Motorola's Linear Interface ICs of 1993. The integrated circuit is not common...
The integrated circuit used in this 80's temperature control is not very common today. The load...
Found in a1968’s Burr Brown documentation, this shield uses an integrated circuit from that time,...