This circuit has an automatic dynamic gain control in a range of 6 dB to 40 dB. We found it in documentation from the 90s. The bipolar transistor is a general purpose type.
This circuit was found in a Linear Technology manual from the 1990s. The circuit makes use of the...
This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The...
This circuit can measure voltages from 0 to 10 V with a very high input resistance. The circuit is...