18. Since the output of the divider shown in figure 4-2 is 100 kHz, what is the
a. To bias mixer stage Q1
c. To establish a reference frequency for divider Q2
d. To heterodyne with the input for the development of the 100-kHz output
19. Although the discriminator used in figure 4-3 employs semiconductor diodes,
it functions exactly the same as the electron-tube type that is called a
a. balanced modulator discriminator.
b. double-tuned discriminator.
c. pulse discriminator.
d. phase discriminator.
20. If a small dc voltage is applied to the base of Q1 in figure 4-3, either a
error that probably exists is the one generated by
c. audio stage Q1.
d. driver Q5.
CHECK YOUR ANSWERS WITH LESSON 4 SOLUTION SHEET PAGES 54 and 55.
HOLD ALL TEXTS AND MATERIALS FOR USE WITH EXAMINATION AND SIG 324.