This circuit was found in a 1980s documentation for amateur radio. The circuit is for 9 MHz signals and values in parentheses for FI of 455 kHz. The circuit can be adapted to other frequencies.
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...
This circuit was found in a former Popular Electronics. The timing is set on the potentiometer and the...
With this voltage regulator we can build a source of 1.7 to 17 volts and a maximum current of 1.5 A. The...