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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Stepper Motor Control 4204B (CB25245E)
This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is...
CMOS Digital Frequency Meter (CB4646E)
This simple digital frequency meter using CMOS circuits reaches 5 MHz frequency. Input signals are...
Blocking Oscillator (CB21815E)
We found this circuit in the 1960 Mullard transistor manual. The transistor is made of germanium....