Obtained in a 1968 Electronics World, this circuit uses transistors from the time and the sensor is a common LDR. The component values are for scales from 0.01 to 100 foot-candle.
Found in a 2005 Linear Technology application manual, this circuit provides 12-bit resolution output...
The circuit presented is from the 1997 LinearTechnology Applications. The circuit uses components of...
This ultra-low noise circuit was found in the May 1990 issue of Radio Electronics magazine. The...