E4B - Amateur Practices
Extra Class
Measurement techniques: antenna measurements, noise figure, S-parameters
11 questions
Which of the following factors most affects the accuracy of a frequency counter?
What is the significance of voltmeter sensitivity expressed in ohms per volt?
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?