What is an effect of excessive phase noise in a receiver's local oscillator?
Which of the following receiver circuits can be effective in eliminating interference from strong out-of-band signals?
What is the term for the suppression in an FM receiver of one signal by another stronger signal on the same frequency?
What is the noise figure of a receiver?
What does a receiver noise floor of -174 dBm represent?
A CW receiver with the AGC off has an equivalent input noise power density of -174 dBm/Hz. What would be the level of an unmodulated carrier input to this receiver that would yield an audio output SNR of 0 dB in a 400 Hz noise bandwidth?
What does the MDS of a receiver represent?
An SDR receiver is overloaded when input signals exceed what level?
Which of the following choices is a good reason for selecting a high frequency for the design of the IF in a superheterodyne HF or VHF communications receiver?
What is an advantage of having a variety of receiver IF bandwidths from which to select?
Why can an attenuator be used to reduce receiver overload on the lower frequency HF bands with little or no impact on signal-to-noise ratio?
Which of the following has the largest effect on an SDR receiver's dynamic range?
How does a narrow-band roofing filter affect receiver performance?
What transmit frequency might generate an image response signal in a receiver tuned to 14.300 MHz and that uses a 455 kHz IF frequency?
What is reciprocal mixing?