We found this circuit in a 1967 American documentation. It is a transmitter for animal research, monitoring intestinal pressure. The operating frequency is 22 kHz.
Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages...
We found this circuit in a Japanese publication in 1967. The circuit consists of a 15 W audio...
This is a bridge for the measurement of low value resistances and high values too. The circuit...