/blogs_/archives/b/thesignal/posts/tia-input-z-infinite-or-zero-what-is-it-reallyWhat is the input impedance of a transimpedance amplifier (TIA)? Infinite? Zero? No, what is it really? Nothing is really zero or infinite, right? The answer might surprise you—worth understanding, even if you don’t use TIAs. After all, an inverting amplifieren-USTelligent Community 13