FET Follower (CB6132E)

This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies to virtually any junction FET.

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Operational Amplifiers Symmetric Power Supply 78xx and 79xx (CB15342E)
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Transmitter Monitor (CB23890E)
The purpose of this receiver is to monitor the signal from a nearby transmitter. It was published in an...
Symmetrical power supply (CB21691E)
In the figure we have a symmetrical power supply stabilized by a zener diode. Transformer and...