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I've come across situations like this when high frequency interference (well out of band) is down converted to in-band by the ADC sample rate. … If the aliasing interference was 100.05 kHz it would produce 50 Hz content at base band after sampling but would be substantially reduced when applying the 1 uF capacitor. …

The belt touches the metal rolling cylinders, and I am surprised that it is not helping the discharge. The metal rollers are touching the inside of the belt but, the charge is on the outside of the …

It's known that there has to be a separation between antennas of same frequency to minimize interference. …

I have read that upto 500 different channels can be selected which will avoid the interference, but couldn't find much info on that. …

Neither (a) nor (b) are correct as far as I see it. It's highly likely that the question is trying to get you to realize that the local oscillator is set at 329.3 MHz (or 10.7 MHz above 318.6 MHz) an …

is converted to differential interference. … Hence not grounding the shield creates more interference on the otherwise pure signal and deteriorates the receiver amplifier’s ability to reject common mode noise. …

I would like to allocate the signals to the twisted pairs that best give them immunity to interference, Especially the SDA and SCL line. …

So I am wondering if the RSSI of a transmission in the presence of interference gets affected, i.e. is lower or not? … interference. …

In short don't compromise on the building design. The technical guys on radio comms should be consulted on WiFi infrastructure and appropriate ducting and facilities designed in at an early stage.

The high pitched tone goes away only when I power the bluetooth receiver from a separate power source. This more likely means it is power supply noise upsetting your audio amplifier. Audio amps …

What can I do to reduce or eliminate the unwanted sound, ideally with a passive solution? I think your analysis sounds reasonable so... Your best bet might be to use an audio coupling transformer at …

This sort of protocol can be really difficult to solve. I'll say a few words about a project I was involved with years ago. A "new node" didn't ping rather it listened - basically it picked-up on an …

Consider two similar amplitude FM carriers and the composite wave they produce when added: - Clearly there is destructive interference at the "difference" frequency and this cannot be got rid of by …

I cant hear the same interference in mobile FM. What frequency(ies) does it use? …

is it possible to replicate the concept of a Humbucker pickup but with microphones instead of guitar pickups? A humbucker guitar pickup is intended to directly cancel the induced voltage caused …