This circuit was found in RCA documentation from the 1980s. The circuit uses LDRs of the time and the 50 uA instrument has zero in the center. R1 and R2 may have 2k2 and R3 10k typically.
This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent...
In the figure we have a constant current source for Shape Memory Alloy or (Nitinol). The value of...
This filtered High Side sensor circuit was found in a 2005 Linear Technology application manual....