Hello to all,
I've have a few NTE2389 N-CH Enhancement Mode High speed switch. I would like to drive the gate with an output pin from my 16f628A.
Ok, now the real question,
I want to use this with the DRAIN connected to 12VDC and the SOURCE connected one terminal on the load, LAMP or Solenoid, and the other terminal to Ground. I've heard this can be done but have not seen it myself, But is this really possible?
Another question,After searching this forum I seen suggestion for CHARGE PUMPS, or mosfet drivers and I am trying to find some examples of a charge pump. It seems that I must have more voltage at the gate than what I am trying to transfer to the load but how do I calculate the required voltage needed?. I would like to be able to use what I have in my junk box, etc instead of buying a component to drive these with.
Also, I know how to calculate the base resistor for transistors, but is there a formula for the resistor need for the Gate? Several examples show a 1M or 10M resistor between gate and source, is there formula for that?
I know I am asking a lot of questions but I've been searching the Forum and googled before posting. Just trying to learn.
Thanks to all.
I've have a few NTE2389 N-CH Enhancement Mode High speed switch. I would like to drive the gate with an output pin from my 16f628A.
Ok, now the real question,
I want to use this with the DRAIN connected to 12VDC and the SOURCE connected one terminal on the load, LAMP or Solenoid, and the other terminal to Ground. I've heard this can be done but have not seen it myself, But is this really possible?
Another question,After searching this forum I seen suggestion for CHARGE PUMPS, or mosfet drivers and I am trying to find some examples of a charge pump. It seems that I must have more voltage at the gate than what I am trying to transfer to the load but how do I calculate the required voltage needed?. I would like to be able to use what I have in my junk box, etc instead of buying a component to drive these with.
Also, I know how to calculate the base resistor for transistors, but is there a formula for the resistor need for the Gate? Several examples show a 1M or 10M resistor between gate and source, is there formula for that?
I know I am asking a lot of questions but I've been searching the Forum and googled before posting. Just trying to learn.
Thanks to all.