# why are rl circuits seldom used for integration and differentiation of signals

#### pr.ee

Joined Nov 20, 2014
7
why are rl circuits seldom used for integration and differentiation of signals???

#### crutschow

Joined Mar 14, 2008
27,010
why are rl circuits seldom used for integration and differentiation of signals???
Because capacitors are generally smaller, cheaper, and much closer to the ideal circuit element than inductors. Thus the general rule in circuit design is "don't use an inductor unless you absolutely have to".