# Electronic – Convolution perfomed by an analog circuit

analogconvolution

As a Electronic Engineering student I have a fair knowledge about convolution and DSP. But, I was wondering if it is possible to perform a convolution only using analog circuit (without memory)? And if it is possible, what would be the restrictions?

In short, I would like to project this using only an analog circuit:

$$y(t) = (x * h)(t) = \int^{b}_{a}x(\tau)h(t-\tau)d\tau$$

Clarifications:

• Both signals would be an arbitrary input (x and h in the above formula).
• I am willing to make simplifications of all kinds, since it is doing what I am asking.