In my prior post, I discussed the use of “chopping” (or pre- and post-mixing) to improve the IM2 of RF/analog circuits. New readers should go back and read that post in order to understand the nomenclature and variable names in this post. Lately, I’ve been considering whether any similar (but different) technique can be used [...]
Tag Archives: IM2
Chopping to alleviate IM2,
IM2 Consider the fully differential amplifier shown below:
Posted in Analog Professional Also tagged chopping, IP2, matching, mixer, pseudonoise, spread spectrum 3 Comments