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Thanks. Can I use the circuit here? https://www.electronics-tutorials.ws/transistor/tran_7.html
Based on the above link, can I make my circuit the following: **broken link removed**
Will my circuit work for the following goal?: When INPUT_N is HIGH (i.e. micro is not driving it and it is pulled up to 3.3V), VCC pin on device will have 24V. When Microcontroller drives INPUT_N to be LOW, VCC pin is at 0V (so device is off).
Should circuit below work as intended?
How much capacitance do I need on 3.3V rail with loading of ~500mA?
I have 22uF caps that I can use.
In general, what is a good rule of thumb on how much capacitance required based on a voltage rail and its current value?
How to determine the voltage drop across a long wire (gauge: 26AWG) over several feet?
For example, I have a 5 feet wire of gauge 26AWG and if 3.3V is applied at one end and receiver device sinks about 1A... what would be the voltage drop at the other end??
I am asking this question to...
I have a 1G ethernet link which goes through three boards (Board1, Board2, and Board3).
Board1 has to have diff impedance of 100ohm, Board 3 has to have diff impedance of 85 Ohm. (existing boards)
Question: Is it better for Board2 to have 85 Ohm diff impedance??? or something in the middle...
I am looking at a design that may require really high layer count, like 40+ layers. The board will have traces like: 10GbE, SAS, PCIe...
My question is: What items start mattering as layer count increases so much?
(Sorry if the question is a bit weird, but trying to learn about things I...
Found a good (at least looks like it) circuit with the derivation of the result on Page 3 of this App Note: https://ww1.microchip.com/downloads/en/appnotes/00687c.pdf
The analog output of a sensor that I want to digitize is in the 0-150mV range. The lowest Vref to the ADC of my Microcontroller I can supply is 3.3V.
Looking for some circuit recommendations to amplify the 0-150mV signal to get it to 0-3.3V range to utilize the full accuracy of the ADC.
Any...
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