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Hi, I'm doing a design where I need to use something like a reset switch. I know that normally open pushbuttons are the most used, but the fact is that I need a normally closed miniature pushbutton able to drive 1Amp at 5V, and the problem is that I can not find any small enough. Does anyone...
hi, can anyone help me? I want to make a board design of four layers
top, inner layer 1, inner layer 2, and bottom
the fact is that I want it to be 1.6mm total thickness and use 1oz of copper each layer, but the problem is that I do not know how to calculate the thickness (neither the...
HELPPP: lamps imepdance
Can anyone tell me a link where a could find reliable info about lamps impedances?
I'm interested in the different impedances of incandescent, halogen, fluorescent,... lamps, what I really need are their impedance characteristic curve.
searching r/s latch
Hi everybody, I'm looking for a single r/s latch IC, but I can not find any single, all manufacturers (texas Inst., philips, ....) have quad r/s latches. Does anyone know about a single one?
Thankssss
Hi,
Does anyone know where to find the circuit schema of a voltage tester. I would like to make voltage measurements in the line, and I would like to include a module on my PCB to measure them (220V ca).
Thanks in advance
Re: Capacitance
There is no schema, Is just a question, If I want to drive a load and we suppose the current to be of 10Amps and the power conssumption of 2500Watts, and the source is the electric line (of 220v), how i calculate the cpacitance of a the capacitor required to drive the load? I...
Hi,
Can anyone tell me how to calculate the capacitance required for driving a load that requires 10Amps and when the line is of 220V. I know it has to hold 400V
but I do not know how to calculate the capacitance. Something in my calculations should be wrong because I get 112F, tooooo much...
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