G4D – Speech processors; S meters; sideband operation near band edges

- [[G4D01]] (A)
What is the purpose of a speech processor in a transceiver? #card
	- A. Increase the apparent loudness of transmitted voice signals
	- B. Increase transmitter bass response for more natural-sounding SSB signals
	- C. Prevent distortion of voice signals
	- D. Decrease high-frequency voice output to prevent out-of-band operation
- [[G4D02]] (B)
How does a speech processor affect a single sideband phone signal? #card
	- A. It increases peak power
	- B. It increases average power
	- C. It reduces harmonic distortion
	- D. It reduces intermodulation distortion
- [[G4D03]] (D)
What is the effect of an incorrectly adjusted speech processor? #card
	- A. Distorted speech
	- B. Excess intermodulation products
	- C. Excessive background noise
	- D. All these choices are correct
- [[G4D04]] (C)
What does an S meter measure? #card
	- A. Carrier suppression
	- B. Impedance
	- C. Received signal strength
	- D. Transmitter power output
- [[G4D05]] (D)
How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter? #card
	- A. It is 10 times less powerful
	- B. It is 20 times less powerful
	- C. It is 20 times more powerful
	- D. It is 100 times more powerful
- [[G4D06]] (A)
How much change in signal strength is typically represented by one S unit? #card
	- A. 6 dB
	- B. 12 dB
	- C. 15 dB
	- D. 18 dB
- [[G4D07]] (C)
How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9? #card
	- A. Approximately 1.5 times
	- B. Approximately 2 times
	- C. Approximately 4 times
	- D. Approximately 8 times
- [[G4D08]] (C)
What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz? #card
	- A. 7.178 MHz to 7.181 MHz
	- B. 7.178 MHz to 7.184 MHz
	- C. 7.175 MHz to 7.178 MHz
	- D. 7.1765 MHz to 7.1795 MHz
- [[G4D09]] (B)
What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz? #card
	- A. 14.347 MHz to 14.647 MHz
	- B. 14.347 MHz to 14.350 MHz
	- C. 14.344 MHz to 14.347 MHz
	- D. 14.3455 MHz to 14.3485 MHz
- [[G4D10]] (A)
How close to the lower edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide LSB? #card
	- A. At least 3 kHz above the edge of the segment
	- B. At least 3 kHz below the edge of the segment
	- C. At least 1 kHz below the edge of the segment
	- D. At least 1 kHz above the edge of the segment
- [[G4D11]] (B)
How close to the upper edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide USB? #card
	- A. At least 3 kHz above the edge of the band
	- B. At least 3 kHz below the edge of the band
	- C. At least 1 kHz above the edge of the segment
	- D. At least 1 kHz below the edge of the segment