"1 R 300U SKOL (3). R and R.; (10 points) Examination 1. Open exam. 2. Total_2 pages. 3. Duration 100 Spomutes. e: C qila M R d Score: 3.Judge the feedback polarity and configuration oMajoistage amplifier in the circuit, (20 points) R. O 50 k Ri V R (a) R M R. OD 100 KQ 100 kq k ||R sheet of Shenyang Agricultural University (For International student) 2020 2021 Spring A R 1 2 ko L (2)Solving static Q point (5 points) R R Mo ch A +Uce circuit is shown in the figure, the maximum amplitude of the output e of the integrated operational amplifier is 14V, u, is 2V, which is the amrect voltage signal. (20 points) Please find out the output voltage under the following conditions (1) R2 short circuit; (2) R3 short circuit; (3) R4 short circuit; (4) R4 open. circuit. output voltage uo become zero? Mil Name: th 50 kn A 27 B M2 Students ID: A D R/2 C R A. V (a) O Mo 2 R S.I.....teun, 4/1 .., U= 1V, answer the following questions, (20 points) core) when the switch is closed, solve the voltage value of A, B, C, D and up- (2) assume switch is open when time t is equal to zero(t = 0), how long will : R V + Ucc G HE + Wa 1 of 2 pages Examination sheet of Shenyang Agricultural University 1. Open exam. 2. Total 2 pages. 3. Duration -minutes. Course, Course Number Analog Electronics technique. 901130122 D 0K 0 K D core : (a) Scor The circuit is shown in the figure (a), the input waveform uand u2 is figure (b), the e: ard voltage of diode u=0.7V. (+5V) (1)Please judge the working state of diode. (10 points) (2)Draw u, waveform of the output voltage. (It is necessary to write the detailed solving problems process) (10 points) V RO 9 -O Score (score by) A 0. 25k 100 MV 0. No. R Skri R300 Sko (For International student) 2020 2021Spring_ Rin IKO 3.The circuit is shown in the figure, the parameters of the transistor are as follows 50, *=100 (1)Draw the micro-variation equivalent circuit. (5 points) (+12V) C (b) (review by) C Name: + Ro SKOL Students ID: Major: (3) R and R.; (10 points) (2)Solving static Q point (5 points)