Extra Class

Which S parameter is equivalent to forward gain?

Which S parameter represents input port return loss or reflection coefficient (equivalent to VSWR)?

What three test loads are used to calibrate an RF vector network analyzer?

How much power is being absorbed by the load when a directional power meter connected between a transmitter and a terminating load reads 100 watts forward power and 25 watts reflected power?

What do the subscripts of S parameters represent?

Which of the following can be used to determine the Q of a series-tuned circuit?

Which of the following can be measured by a two-port vector network analyzer?

Which of the following methods measures intermodulation distortion in an SSB transmitter?

Which of the following can be measured with a vector network analyzer?

What is an effect of excessive phase noise in an SDR receiver’s master clock 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?

How much does increasing a receiver’s bandwidth from 50 Hz to 1,000 Hz increase the receiver’s noise floor?

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 IF for a superheterodyne HF or VHF communications receiver?

What is an advantage of having a variety of receiver bandwidths from which to select?

Why does input attenuation reduce receiver overload on the lower frequency HF bands with little or no impact on signal-to-noise ratio?