Tagged Questions

2
votes
1answer
236 views

Transistor With No Voltage to Base

In the newest Make magazine, they show how to connect LEDs in line to speakers to have the LEDs light up when the speaker is playing music (pulse with the music). They say you may want to hook up the ...
14
votes
3answers
12k views

Switching DC with MOSFET: p-Channel or n-Channel; Low Side Load or High Side Load?

I think, it is time I understand working principle of MOSFET transistors... Suppose that; I want to switch voltage on a resistive load by a MOSFET transistor. Any control signal between -500V ...
2
votes
1answer
296 views

Controlling a NE2 lamp with a 12 V signal

I have some NE2 lamps i want to control with a signal from my car. Signal voltage is about 11 to 14 volts and isn't very clean. I also have 170vdc available to power the NE2s. I plan on using these ...