* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Instrumentation: 206 L
Power MOSFET wikipedia , lookup
Oscilloscope wikipedia , lookup
Surge protector wikipedia , lookup
Josephson voltage standard wikipedia , lookup
Tektronix analog oscilloscopes wikipedia , lookup
Analog-to-digital converter wikipedia , lookup
Transistor–transistor logic wikipedia , lookup
Integrating ADC wikipedia , lookup
Audio power wikipedia , lookup
Phase-locked loop wikipedia , lookup
Power electronics wikipedia , lookup
Superheterodyne receiver wikipedia , lookup
Oscilloscope types wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Oscilloscope history wikipedia , lookup
RLC circuit wikipedia , lookup
Schmitt trigger wikipedia , lookup
Current mirror wikipedia , lookup
Resistive opto-isolator wikipedia , lookup
Index of electronics articles wikipedia , lookup
Regenerative circuit wikipedia , lookup
Two-port network wikipedia , lookup
Rectiverter wikipedia , lookup
Negative-feedback amplifier wikipedia , lookup
Valve audio amplifier technical specification wikipedia , lookup
Radio transmitter design wikipedia , lookup
Opto-isolator wikipedia , lookup
Wien bridge oscillator wikipedia , lookup
Instrumentation: 206 L Final Exam Preparation Guide Exam will be held in Room 118, May 3rd 2.00- 4.00pm Things to bring to the exam: 1. Lecture notes 2. Text Book (optional) 3. Homework Set 1 4. Solutions for mid-term exam Things to study: 1. Revise lecture notes 2. Voltage divider 3. RC circuits (cutoff frequency, phase shift, bode plot) 4. Operational amplifiers Voltage follower, inverting amplifier, non-inverting amplifier, summing network, differencing amplifier, intergrating amplifier. Transfer function (Vout = X. Vin) 5. Basic functions of oscilloscope 6. Homework Set 1 Sample problems: Question 1 Figure 1 1. For the difference amplifier circuit in Fig. 1 (left) use the pin number diagram on the right to assign values to the points marked a through e 2. For the same circuit determine the output voltage if V1 = 1 V, V2 = 5V, R1= R3 = 5kΩ, and R2 = R4 = 4 x R1. Question 2 Figure 2 For the RC circuit shown in Fig. 2 if the phase shift between the input and output signal was measured to be -45o at frequency f, determine the value of C. Question 3 On a Bode plot be able to label the bandwidth, cutoff frequency. See lecture notes. Question 4 If the magnitudes of the input and output voltages of an amplifier are given as listed below, calculate the gain of the amplifier. i) ii) iii) iv) Vin = 2 mV, Vout = 23 mV Vin = 3.4 mV, Vout = 1V Vin = 5 sin (2ft), Vout = -15 sin (2ft) Vin = 2 Vpeak-peak, Vout = 5Vpeak Question 5 Figure 3 i) ii) For the op-amp shown in Fig. 3 what is the relation between Vin and Vout? If Vout was measured on the oscilloscope and an inverted sine wave of amplitude 5V and frequency 1kHz was observed what was the shape, amplitude and frequency of the input signal? Question 6 Determine the output voltage of the op-amp circuit shown in Fig. 4 Figure 4 Question 7 Determine the output voltage of the op-amp circuit shown in Fig. 5 Figure 5 Question 8 For the circuit assembly of the non-inverting amplifier shown in Fig. 5, calculate the value of R1 in order to get a gain of 5. R2 = 4.8 kΩ. Figure 6 Question 9 Figure 7 What is Vout? Question 10 (i) Identify and list the different op-amp circuits in Fig. 8. (ii) Calculate voltages V1, V2, V3, V4 (iii) Graph V4 as a function of time. Figure 8 Solutions: Question1 1. a = 2, b = 3, c = 1, d = 11, e = 4 2. Vout = 16 V Question 2 C = 1/29531*f Question 4 (i) Vout 23mV 11.5 Vin 2mV (ii) 294 (iii) -3 (iv) 5 Question 5 (i) Vout = Vin (ii) Amplitude = 5V, Shape = sine wave, frequency = 1 kHz Question 6 Vout = -10.34 V Question 7 Vout = -11.3 V Question 8 R1 = 1.2 k Question 9 Vout = 10 V Question 10 (i) Summing, inverting, difference (ii) V1 = 5V, V2 = 0, V3 = 10V, V4 = 50V (iii) Vout = 50 sin(t)