Question

SPEAK easy aimed to developed a full band antenna that operated over the range ______

(a) 2 MHz to 2000 MHz

(b) 2 Hz to 2 MHz

(c) 20 Hz to 2 MHz

(d) 20 MHz to 2000 MHz

I had been asked this question in an interview for internship.

This interesting question is from Antenna Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Answer 1

Correct option is (a) 2 MHz to 2000 MHz

The explanation is: The RF range of 2 MHz to 2000 MHz was aimed to be achieved by SPEAKeasy. This falls in the range of 1000:1, it spans over 3 decades.