Chapter 23 Television and Video Display Units 401
Review Questions for Section 23.2
1. What is the purpose of an RF amplifier in a televi-
sion receiver?
2. The output of the mixer stage is amplified by the:
a. PIX-IF amplifier.
b. video amplifier.
c. AF amplifier.
d. None of the above.
3 guns
3 lenses
Cathode
Circular
aperture
Dot pattern
(spherical
screen)
Rectangular
slot
Brick-like pattern
(spherical
screen)
Cathode
3 lenses
3 guns
Unitized gun
3 lenses
Cathode
Slot
Stripe pattern
(spherical
screen)
Continuous
slit
(aperture grille)
Stripe pattern
(cylindrical
screen)
Electron
prism
Single large lens
Single gun
Cathode
A B C D
Figure 23-14. In-line color tubes. A–Three guns with circular aperture. B–Three guns with rectangular aperture.
C–Unitized gun with slot aperture. D–Sony Trinitron with one gun and grille aperture.
Figure 23-15. The RCA CTC-40 color receiver. (RCA)