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I have added 6.8pF and 12pF across the feedback resistor,But as if nothing helped.
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the bottom of the pcb borad
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6.8pF and 12pF across the feedback resistor,Output wave
Thanks Keith for your friendship.
I have instead the THS4631 with another one,and change the powersupply to +/- 10V,but the same situation,just the frequency of output wave(connected Non-Inverting input pin with GND) become lower.I used THS4631 becase it's FET AMP,and I need a high input...
Yesterday,I used the THS4631（FET-INPUT Amplifier from TI） as inverting amplifier,but I can't get a right wave,but OPA690 could work well in my pcb board.Even I connected Non-Inverting input pin with GND,I can still get a wave as shown below.Then I Built it into the voltage follower was also not...
ina332 circuit
If I connet My opamp like this, if the opamp can reduce common-mode noise?
As I know,this KMZ51 maximum offset voltage is as much as 1.5mV/V.
King
kmz51 compass
Thanks for your reply,I am about to use Rail-to-Rail opamp,What about INA2332 from Teax Instrument,you can found it datasheet in the link below:
https://focus.ti.com/docs/prod/folders/print/ina2332.html
So I have other problems:
1.I didn't not KMZ51 output voltage range,so I...
kmz51
I want to make a electronic compass with KMZ52(two KMZ51),But I don't know the range of output voltage value,and I can only found the typical sensitivity value is 16mV/V from the datasheet of KMZ51.So,Is the sensitivity value is the output voltage value?
Any suggestions are welcome.
king
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