MOSFET trigger (CB21480E)

This circuit was found in a 1967 Electronic Design. FETs are from the time, so modern equivalents can be used.

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Pulse Generator (CB24918E)
This sophisticated pulse generator was found in a Radio Electronics magazine from November 1985. It...
20 dB amplifier 741 (CB15057E)
This is the traditional configuration of an inverter amplifier with 100 voltage gain and...
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This circuit works directly connected to the network and special care must be taken with its...