An transconductance (using voltage to control current) electronic component used for switching and amplification. Acronym for Metal-Oxide-Semiconductor Field-Effect Transistor. (from http://en.wikipedia.org/wiki/Transistor)

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Designing a simple automatic USB switch

I'm trying to come up with a simple way of sharing a USB peripheral between two USB hosts (computers) so that the host that is currently turned on controls the peripheral. I'm targeting low-speed ...
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Using BSS84 P-channel MOSFET

I am using a P-channel MOSFET as a switch in my design & I have connected the drain to the load. The load needs 0.8mA of current. How can I decide whether the MOSFET is conducting that much ...
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MOSFET Turns on without voltage on the gate?

I am using the following transistor to turn a motor on and off: http://pdf1.alldatasheet.com/datasheet-pdf/view/418991/INFINEON/IPP096N03LG.html I am applying 12V to the drain and 0V to the gate... ...
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Safe to use PWM source to control lights via MOSFET?

I'm a bit of a noob when it comes to electronics so looking for some advice on this project I have in mind. Introduction The goal is to have my garage door opener (GDO) switch a secondary set of 12v ...
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Voltage controlled current source

Here is a circuit that seems to work pretty well for allowing a voltage to control a current of up to maybe two amps. It works on the falstad simulator (the triangle wave voltage input produces an ...
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Square Wave Voltage Level Shifting (Take 2)

After my question before, I tried to design a circuit with zener diodes and transistors for this issue. It seems to work in simulation. Am I overdoing it? Are there any other simpler ways to do this, ...

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