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3-68. The horizontal sweep channels of the
dual-trace oscilloscopes have which of
the following time base circuit
configurations?
1. One time base circuit
2. Two interdependent time base circuits
3. Two independently controlled time
base circuits
4. Variations of all the above
configurations
3-69. Which of the following types of probes
are commonly available for use with the
oscilloscope?
1. Current
2. One-to-one
3. Attenuation
4. All of the above
3-70. On the spectrum analyzer, what
information can be found on the (a) x
axis and (b) y axis?
1. (a) Voltage
(b) current
2. (a) Frequency
(b) amplitude
3. (a) Amplitude
(b) frequency
4. (a) Current
(b) voltage
3-71. The intensity knob on the spectrum
analyzer controls what display
function(s)?
1. Focus
2. Brightness of the CRT trace
3. Brightness of the readout display
4. Both 2 and 3 above
3-72. On the spectrum analyzer, the RF input
jack is used to accept what maximum
frequency input signals?
1. 21 GHz or below
2. 21 GHz or above
3. 31 GHz or below
4. 31 GHz or above
3-73. The POSITION control on the spectrum
analyzer is used to adjust which of the
following CRT display features?
1. Vertical position only
2. Horizontal position only
3. Vertical and horizontal position
4. Beam focus
