E7F01 : 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
Correct Answer: Incoming RF is digitized by an analog-to-digital converter without being mixed with a local oscillator signal