Allen CMOS解答CMOS Analog Circuit Design (2nd Ed.) Homework Solutions : 9/20/2002
1
Chapter 1 Homework Solutions
1.1-1 Using Eq. (1) of Sec 1.1, give the base-10 value for the 5-bit binary number 11010 (b4 b3 b2 b1 b0 ordering). From Eq. (1) of Sec 1.1 we have bN-1 2 + b N-2 2 + bN-3 2 + ...+ b0 2-N =
-1 -2 -3
∑bN-i2-i
i=1
N
1 1 0 1 0 1 × 2-1 + 1× 2-2 + 0 × 2-3 + 1 × 2-4 + 0 × 2-5 = 2 + 4 + 8 + 16 + 32 = 16 + 8 + 0 + 2 + 0 26 13 = 32 = 16 32
1.1-2 Process the sinusoid in Fig. P1.2 through an analog sample and hold. The sample points are given at each integer value of t/T.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11
Sample times t __ T Figure P1.1-2
1.1-3 Digitize the sinusoid given in Fig. P1.2 according to Eq. (1) in Sec. 1.1 using a four-bit digitizer.
Amplitude
CMOS Anal……