34 ASSIGNMENT 4 Textbook assignment: Chapter 4, “Wave Shaping,” pages 4-1 through 4-61. _____________________________________________________________________________________ 4-1.   A wave-shaping circuit which restricts some portion of a waveform from exceeding a specified value is known as a/an 1.   divider 2.   clamper 3.   limiter 4.   oscillator 4-2.   Limiting circuits are used in which of the following circuit applications? 1.   Counting 2.   Amplification 3.   Wave generation 4.   Circuit protection 4-3.   In a series limiter, the diode is connected in With the 1.   (a) Parallel (b) output 2.   (a) Parallel (b) input 3.   (a) Series (b) input 4.   (a) Series (b) output 4-4.   In a series limiter, a voltage is developed across the output resistor when 1.   the anode of the diode is negative with respect to the cathode 2.   the anode of the diode is positive with respect to the cathode 3.   the cathode of the diode is positive with respect to the anode 4.   no current flows through the diode 4-5.   The diode in a series-positive limiter is (a) forward biased by what portion of the input signal and (b) reverse biased by what portion of the input signal? 1.   (a) Positive (b) positive 2.   (a) Positive (b) negative 3.   (a) Negative     (b) negative 4.   (a) Negative     (b) positive 4-6.   How does the value of diode resistance compare to that of the resistor (a) during the limiting portion of the input and (b) during the nonlimiting portion? 1.   (a) High (b) high 2.   (a) High (b) low 3.   (a) Low (b) low 4.   (a) Low (b) high 4-7.   Which of the following circuits is a series-positive limiter? 1. 3. 2. 4.