Question

Which of the following ASIC is preferred in IF stage?

(a) FEC ASICs

(b) Digital filtering ASICs

(c) Transceiver ASICs

(d) INFOSEC ASICs

I have been asked this question by my college director while I was bunking the class.

My question comes from Digital Architecture Tradeoffs topic in section Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Answer 1

Correct choice is (b) Digital filtering ASICs

The best explanation: Digital filtering ASICs are preferred in IF stage as they perform IF-baseband frequency translation and filtering. FEC ASICs are used for encapsulation in modem entity.