Recommended · for some experience
#83: Basics of RF Mixers in Radio Receivers / Mixer Tutorial / Frequency Conversion
Why people recommend it
Alan Wolke covers how mixers convert frequencies in radio receivers, including why switching produces harmonic products; recommended alongside his diode ring mixer video.
In their words
I was inspired by this video from Ham Radio operator W2AEW.
Majodi Ploegmakers on electronics.stackexchange.com, Oct 2021. CC BY-SA.
I recently came across this video which discusses the downconversion of a signal (referred to as IN) to an Intermediate Frequency (IF) using a Local Oscillator (LO).
CEEA on electronics.stackexchange.com, Feb 2022. CC BY-SA.
According to W2AEW, [video] even for a sine LO, products have lots of harmonics.
Denis on electronics.stackexchange.com, Oct 2019. CC BY-SA.
