Which of the following statements are not correct?(A) Precision rectifiers use positive feedback to compensate for the forward drop of the diodes(B) Precision peak detector uses a capacitor to effectively lengthen the duration of the peaks(C) Limiters may be thought of as programmable signal clippers(D) In order to improve performance of comparators negative feedback may be used(E) There are two basic approaches for realizing a design : (1) using zener diodes and (2) using biased-signal diode networkChoose the most appropriate answer from the options given below:(1) (A) and (D) only(2) (D) and (E) only(3) (A) and (C) only(4) (B) and (D) only

Which of the following statements are not correct?(A) Precision rectif

1.	Which of the following statements are not correct?(A) Precision rectifiers use positive feedback to compensate for the forward drop of the diodes(B) Precision peak detector uses a capacitor to effectively lengthen the duration of the peaks(C) Limiters may be thought of as programmable signal clippers(D) In order to improve performance of comparators negative feedback may be used(E) There are two basic approaches for realizing a design : (1) using zener diodes and (2) using biased-signal diode networkChoose the most appropriate answer from the options given below:(1) (A) and (D) only(2) (D) and (E) only(3) (A) and (C) only(4) (B) and (D) only
A.	1
B.	2
C.	3
D.	4
Answer» B. 2