What is Intermodulation?

In this week's Shure Whiteboard Session, we cover the tricky topic of wireless intermodulation.

[@Laserdanger1]

This is the best explanation of intermod I've come across. Simple and to the point, great for beginners

[@txkflier]

Before the advent of frequency hopping, dual frequency radio control systems for model airplanes, we had trouble with 3rd Order IMD causing glitches and even crashes. No one believed me when I told them what was happening. Eventually, we began to avoid using evenly-spaced frequencies. We also set up pilot stations spaced 20 feet apart so that no one would stand too close to another pilot. Excellent video. Thanks..

[@chikichakaboom]

The best shortest explanation I found!! much respect, thanks!

[@vijayangelo]

Wow.. how simple the concept was explained ! thanks a lot.

[@pfabiszewski]

Best explanation I encountered!

[@pauldropper3432]

Very good! Thanks!

[@johnpaulporrelli6208]

I have a lot of math to do now. I wish there was software I could use for it. But I have 4 wireless mics from 3 different brands. An in ear monitor system and a wireless guitar system from a different brand on a fixed frequency. Wish me luck.

[@christiangarcia9027]

Great video! Thank you! Could you explain what you mean by saying that a microphone has a frequency? Are they wireless microphones that comunicate through a certain frequency with electromagnetic signals or are they microphones set to listen to a certain frequency of sound?

[@menteencoma]

first option

[@alicherifabdelkader1399]

thank you

[@THEDnARACER]

And I now know the meaning of groups

[@intellilab-rw8qi]

Where do you get the formula? Or where does 1200 come from? And are intermods the same or different to harmonics?

[@intellilab-rw8qi]

1. It's actually double f1 and take away f2 this is 1 intermod.. 2. Wrong q my mistake 3. I think they are the same

[@FM_Airing03]

My FM transmitter is broadcasting in 105.7 then i can still heard it on 93.7 mhz but the commercial fm radio don't intermodulate or not get even intermodulate their signal to another frequency

[@ShurePerformanceProduction]

Hi! Our Support Team can help troubleshoot. You can reach them here: service.shure.com/s/contact-us?language=en_US&region=en-US#form

[@MEANASSJAMSTER]

THIS WAS A THORN IN MY SIDE BACK IN THE DAY; - BUT I DID MANAGE TO STICK FOUR EXTRA CHANNELS ACROSS THE EXISTING FOUR TERRESTRIALS + DOWN ONE COAX; - a lot of TWEAKINZ as I did not have TWENTY GRAND for TEST GEAR!!! [did a lot of stuff for hotels]

[@KaptainLuis]

THANK YOU!!!! STUDY ETECH

[@mycosys]

Shure doesnt know how to gain a mic? Yikes.