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E4B - Amateur Practices

Extra Class

Measurement techniques: antenna measurements, noise figure, S-parameters

11 questions

All E0A E1A E1B E1C E1D E1E E1F E2A E2B E2C E2D E2E E3A E3B E3C E4A E4B E4C E4D E4E E5A E5B E5C E5D E6A E6B E6C E6D E6E E6F E7A E7B E7C E7D E7E E7F E7G E7H E8A E8B E8C E8D E9A E9B E9C E9D E9E E9F E9G E9H
E4B01

Which of the following factors most affects the accuracy of a frequency counter?
E4B02

What is the significance of voltmeter sensitivity expressed in ohms per volt?
E4B03

Which S parameter is equivalent to forward gain?
E4B04

Which S parameter represents input port return loss or reflection coefficient (equivalent to VSWR)?
E4B05

What three test loads are used to calibrate an RF vector network analyzer?
E4B06

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?
E4B07

What do the subscripts of S parameters represent?
E4B08

Which of the following can be used to determine the Q of a series-tuned circuit?
E4B09

Which of the following can be measured by a two-port vector network analyzer?
E4B10

Which of the following methods measures intermodulation distortion in an SSB transmitter?
E4B11

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