NAVEDTRA 14181A, NEETS Mod. 9, Ch. 4

Question 1

Which type of device limits some part of a waveform from exceeding a specified value?

Answer 1

Limiter

Question 2

Limiting circuits are used primarily for wave shaping and what other applications?

Answer 2

Circuit protection

Question 3

Which circuit uses the same diode theory and voltage divider action as series limiters?

Answer 3

Parallel-limiter

Question 4

What clamps or restrains either the upper or lower extremity of a waveform to a fixed dc potential?

Answer 4

Clamping circuit

Question 5

Which type of circuits are widely used for coupling signals from one stage to another?

Answer 5

Series RC

Question 6

Timing circuits and circuits which require a particular shape or “spike” of voltage, may use what type of circuits?

Answer 6

Shaping

Question 7

What is a waveform other than a sine wave called?

Answer 7

Complex wave

Question 8

What is the sine wave which has the lowest frequency in the complex periodic wave referred to as?

Answer 8

Fundamental frequency

Question 9

Which term as applied to square waves, means that the waveform must be perfectly square?

Answer 9

Pure

Question 10

What is used as a waveshaping network in communications, radar, and computers?

Answer 10

RC Integrator

Question 11

Which type of circuit is used in timing or counting circuits in which the number of input pulses are represented by the output voltage?

Answer 11

Positive-diode counter

Question 12

Most step counters operate on a ratio of what or less?

Answer 12

5 to 1