MOSFET Amplifier (CB24981E)

This high-power circuit was found in July 1986, Radio Electronics magazine, requiring a high-current source. Equivalent MOSFETs can be tested

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Digital control with relays (CB23773E)
With the coded activation of the relays, it is possible to control which of the 16 outputs...
Programmable Current Shield (CB19955E)
The integrated circuit used in this application is not very common. Transistors and resistors...
Mains Voltage Indicator (CB11532E)
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...