The circuit presented is from 1994 and can be developed with more modern operators. We found the configuration in the National Semiconductor Linear Applications Handbook.
In the figure we have the way of using a transconductance amplifier (OTA), LM3900 as a simulated...
Found in a RE Experimenter Handbook from the 90s, this circuit is intended for the use of LEDs in...
This variable high frequency oscillator circuit was found in an old English documentation. The...