PRACTICE EXERCISE
1.
How many grids are typically used for controlling the electron beam?
a. 2
c. 4
b. 3
d. 5
2.
What type of pickup tube is most commonly used?
a. Plumbicon
c. Orthicon
b. Vidicon
d. Trinitron
3.
What circuitry receives the output of the pickup tube?
a. RF amplifier
c. IF amplifier
b. Preamplifier
d. Viewfinder
4.
What causes the cathode to emit electron flow?
a. Heat
c. Positive electrons
b. Cooling
d. Coldness
5.
What is the name of the voltage applied to the pickup tube so you do not see
retrace?
a. Spacing
c. Direct
b. Blanking
d. Quazar effect
6.
What term describes the amount of current which is passed from the pickup tube
to the preamplifier?
a. Heavy
c. Small
b. Moderate
d. Very heavy
7.
A preamplifier receives its respective video input from where?
a. G3 of the pickup tube
b. Cathode of the pickup tube
c. Light source
d. Target of the pickup tube
8.
What does the first stage of preamplification accomplish?
a. A low current input converted to a stable voltage output
b. Achieves a high signal to noise ratio
c. Corrects an unstable voltage into a correct and stable current
d. Attenuation achieves a high signal to noise ratio
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