E7F01 (C)
What is meant by "direct sampling" in software defined radios?
A. Software is converted from source code to object code during operation of the receiver
B. I and Q signals are generated by digital processing without the use of RF amplification
C. Incoming RF is digitized by an analog-to-digital converter without being mixed with a local oscillator signal
D. A switching mixer is used to generate I and Q signals directly from the RF input
