Bass control (CB8722E)

Found in a 1993 Electronics Hobbyst Handbook, this passive circuit can be used with common preamplifiers and amplifiers.

5V Voltage Reducer (CB5000E)
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...
Gain 70 000 Amplifier (CB6638E)
This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual...
60 kHz 60 MHz sweep generator (CB3953E)
This simple sweep generator circuit has been found in older documentation, but can still be easily...