SS0607-8
30 September 1988
Lesson 3
PRACTICE EXERCISE
1.
The use of what system gives redundancy?
a.
Distributed sync generator system
b.
Horizontal drive system
c.
Vertical amplifier system
d.
The encoded subcarrier system
2.
What provides maximum flexibility?
a.
A field-matching amplifier system
b.
A properly-tuned capacitor
c.
A source-synchronizing generator system
d.
The color-bar generator
3.
What happens at the input of the switcher?
a.
Each
input source is phased
b.
Each
source is timed
c.
Each
signal is matched
d.
Each
signal is attenuated
4.
What causes horizontal shift?
a.
Sync timing is not correct
b.
Phase balance is not correct
c.
High video levels
d.
Overdriven audio
5.
What is certain when the color frame pulse arrives on line 11, field 1?
a.
The
subcarrier is balanced
b.
The
horizontal sweep is untimed
c.
The
vertical pulse is phased
d.
The
SC/H is properly adjusted
6. Dual trace oscilloscopes and a switchable delay line are used to perform
what measurement?
a.
Power output
b.
SC/H phase
c.
Power input
d.
Frequency ratios
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