Based on an OTA LM3600 operational amplifier, this circuit was found in the July 1988 issue of Radio Electronics magazine. The range is 6 Hz to 6 kHz and can be changed.
The output transistor used in this amplifier must have Vce of at least 200 V and Ic of 1 A and...
Found in a 1968 US documentation, this circuit shows how to use the resistance-scale multimeter to...
This filter is inserted between the interfering device and the interfering device. The coils are...