Channel: w2aew

Category: Science & Technology

Tags: imdattenuationreceiverspectrum viewtektronixmixingoscilloscopeintermodulationmsofundamentalradio3rd orderspectrum6-seriesmixermso oscilloscopetekinterferenceintercept pointw2aewdistortion

Description: This short video discusses 3rd order IMD (intermodulation distortion) products, what they are, and how they can adversely affect radio reception under crowded band conditions. Finally, I show how the proper use of input attenuation can help mitigate the negative effects of IMD. Notes: qsl.net/w2aew/youtube/3rd_order_IMD.pdf Spectrum display courtesy of the Spectrum View feature on a Tektronix MSO64 oscilloscope - gotta love that fast update rate, even with 50Hz RBW!