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Field Effect Transistor, a transistor in which most current is carried along a channel whose effective resistance can be controlled by a transverse electric field. Commonly used types of FETs include the Metal Oxide Semiconductor FET (MOSFET), and less common in recent designs, the Junction Gate FET (JFET or JuGFET).

9 votes

Why (not) put a resistor on FET gate?

When you turn on the FET current will flow through the capacitor and there will be nearly instantaneous charge division between the capacitor and the input capacitance of the FET. … Qg is the total gate charge listed in the FET datasheet for the given Vgs = V_drive C_drive is the capacitor in parallel with the drive resistor. Vgs is the FET gate source voltage. …
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11 votes

Can you make a CPU out of electronic components drawn by hand on paper?

Paper transistors or not, a discrete transistor CPU can be made to be a reasonable size. On 15 November 2006, the 35th anniversary of the 4004, Intel celebrated by releasing the chip's schematics, ma …
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