36
4-13. With a sine wave applied, which of the
following circuits limits only a portion of
the positive input signal?
1. Series-negative limiter with negative
bias
2. Series-negative limiter with positive
bias
3. Series-positive limiter with negative
bias
4. Series-positive limiter with positive
bias
4-14. With a sine-wave input, which of the
following types of series limiter allows
only a portion of the negative input to be
developed in the output?
1. Series-positive limiter without bias
2. Series-positive limiter with negative
bias
3. Series-positive limiter with positive
bias
4. Series-negative limiter without bias
4-15. In a series-negative limiter, how is the
diode biased (a) by the positive half of
the input sine wave and (b) by the
negative half?
1. (a) Reverse
(b) forward
2. (a) Reverse
(b) reverse
3. (a) Forward
(b) reverse
4. (a) Forward
(b) forward
THIS SPACE LEFT BLANK
INTENTIONALLY.
Figure 4A.—Sine-wave input.
IN ANSWERING QUESTION 4-16, REFER
TO FIGURE 4A.
4-16. If the input waveform shown in the
figure is applied to a series-negative
limiter, which of the following
waveforms will be the output?
1.
3.
2.
4.
4-17. In a series-negative limiter with positive
bias, which of the following output
circuit actions takes place?
1. Both positive half cycles are
eliminated
2. Both negative half cycles are
eliminated
3. All of the positive half cycles and a
portion of the negative half cycles are
eliminated
4. All of the negative half cycles and a
portion of the positive half cycles are
eliminated
