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Thank you for you reply.
I though adding an op amp in differential mode will improve common mode rejection.
Why a schottky and not a TVS? and do you mean something like this ?
Thank you
Hello, I would like to design a 4-20mA sensor interface for my MCU. I know all i need is a 250 ohm resistor, an opamp and an A2D. However, I need to add protection such as reverse protection for the sensor and protections on the point where I am reading from the sensor. What do you think is the...
Hello, Im designing a PSU with 3 switching elements and 1 LDO. One is a flyback (fs max 100khz) and the 2 others are buck (fixed 500khz and 2.1Mhz). Do you having 3 switching elements on the same pcb will cause a problem? Can you give me any advice regarding layout or any other issue that might...
Thank you FvM.
Your guess is correct 4V is for radio. No i don't have special requirements for isolation but i assume i need to design an optoisolator circuitry to have the isolation job done in addition to separate DC output with a separate ground.
I also have another question. What should be...
I'm trying to design a flyback based converter. The converter I'm trying to make connects either to the utility (50Hz 220Vac) or to a 12Vdc supply (either ac or 12Vdc but not both) and has 12V, 5V, 4V and 3.3V dc outputs.
- My 12 V has light load (60mA max) and is used to power analog sensors...
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