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2
votes
1answer
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Thermocouple signal conditioning - how to deal with low output swing margin of amplifier?
I have this thermocouple conditioning circuit. Let's say my gain is 100. Minimum low level for AD8237 is 20mV. As K type thermocouple outputs 40uV per 1C, I will have 4mV per 1 degree C.
This ...
7
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2answers
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How do I correct offset voltage of Opamps which have no explicit offset-null pins?
Not all opamps have explicit offset-null support, but all opamps have offset voltage.
This is exactly my practical circuit:
How do I correct offset voltage of TL084 in this circuit?
(Datasheet: ...
7
votes
3answers
2k views
Changing a Signal's DC Offset
I have a square wave being generated from a waveform generator oscillating between 0 V and 5 V. The generator does not support negative DC offsets. I need to shift this signal down to be centered ...
2
votes
2answers
947 views
Combined ADC scaling and offset with variable input voltage ranges
I am trying to create a circuit which will allow me to scale and offset a voltage (be it AC or DC) to within the range of the Arduino ADC.
The voltage could be anything between + and - 250V, but I ...
