Please answer the following: Calculate the values of the resistor and capacitor to provide a 100...
Please answer the following:
Calculate the values of the resistor and capacitor to provide a 100 kHz PWM signal of the desired duty cycle. A 555 timer and MIC 5021 are part of the circuit.
Please show all design calculations for resistor and capacitor values to provide a 100 kHz PWM signal of the desired duty cycle. Include a schematic diagram of the 555 timer circuit showing all component values and connection of the 555 output to the MIC 5021.
Homework Answers
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Please answer the following:
Calculate the values of the resistor and capacitor to provide a
100...
ans, RA = 721.5 kohms, RB = 360.8 kohms, R3 = 3.5kohms as an example solution. Question 7 (6 marks) You have been given...
ans,
RA = 721.5 kohms, RB = 360.8 kohms, R3 = 3.5kohms as an example
solution.
Question 7 (6 marks) You have been given a 555 Timer, an LED with Von 2V, a 9V battery that can comfortably supply 5mA of current without loss of voltage, a 1 μF capacitor and access to any resistor values you want. You are to design a circuit that causes the LED to flash periodically once per second with a duty cycle of 75%....
(a) Design a inverting Schmitt trigger circuit to be used as a zero crossing detector with transition voltages about ±25...
(a) Design a inverting Schmitt trigger circuit
to be used as a zero crossing detector with transition voltages
about ±25 mV. Assume the saturation voltages for the op–amp are ±13
V. Draw the voltage transfer characteristic (VTC), i.e., vout vs.
vin.
(b) Design an astable multivibrator to produce
a square signal with a frequency of 1 kHz using C=0.01 µF, R1 = 30
kΩ, and R2 = 20 kΩ. Sketch the circuit waveforms (vo, v +, and v −)
assuming...
Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdc source. The maximum allowable inductor current ripple and output voltage ripple are 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz.
Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdc source. The maximum allowable inductor current ripple and output voltage ripple are 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz.a) Design a suitable converter power circuit using a MOSFET switch, showing all calculation of inductor and capacitor values and drawing a circuit diagram of the final design including component values. Indicate the peak inverse voltage and forward current rating...
1. Referring to Fig. 1: (12 pts. a. Determine the type of feedback circuit per stage...
1. Referring to Fig. 1: (12 pts. a. Determine the type of feedback circuit per stage b. The output voltage of the first stage. c. The current flowing through R4. d. The output impedance Zof of the last stage R2 1 KO Vec 15 V А в 15 V F 741C 74106 O G I 1 MA (1 VE -15 V 100 kg 512 Fig. 1 2. Design a 555 timer that free-runs at a frequency of 1 kHz and...
Question 8 (6 marks) You have been given a 555 Timer, an LED with Von-2V, a 9V battery that can comfortably supply 5mA...
Question 8 (6 marks) You have been given a 555 Timer, an LED with Von-2V, a 9V battery that can comfortably supply 5mA of current without loss of voltage, a 1uF capacitor and access to any resistor values you want. Design a circuit that causes the LED to flash periodically once per second with a duty cycle of 75% Ensure that it does not draw more than 5mA of current from the battery (i.e 3mA of charging current and 2mA...
8 Assist with Theory please.. TOPIC: 4.3 MONOSTABLE OPERATION OF THE 555 TIMER DEVICE OBJECTIVE: Build...
8 Assist with Theory please..
TOPIC: 4.3 MONOSTABLE OPERATION OF THE 555 TIMER DEVICE OBJECTIVE: Build and test the operation of the 555 timer IC which functions as a monostable multi vibrator. REFERENCE: Manufactures data sheets COMPONENTS: Ix IC 55.5 1 x 0.1 μ-capacitor Tnmpot Resistor pack EQUIPMENT: Development board Logic probe Multi metre INSTRUCTIONS: 1. Draw the circuit to use the 555 timer to function as a monostable multivibrator. 2. The output pulse must have a pulse length of...
For the 555 timer (square wave generator) shown in figure 6, assuming the values Vec . 5 v, C-0.1 μF, C'-0.01 μF, Ra 4.7 ko, Rb-10 ΚΩ, answer the following a8). a. Plot the output waveform at pin...
For the 555 timer (square wave generator) shown in figure 6, assuming the values Vec . 5 v, C-0.1 μF, C'-0.01 μF, Ra 4.7 ko, Rb-10 ΚΩ, answer the following a8). a. Plot the output waveform at pin3 b. Find the frequency of the output signal c. Plot the waveform at pin6 d. Find the duty Cycle. 8 4 Figure 6 Page 5
For the 555 timer (square wave generator) shown in figure 6, assuming the values Vec . 5...
1. to design a high efficiency d.c. to d.c. power converter with the given specifications Input v...
1. to design a high efficiency d.c. to d.c. power converter with the given specifications Input voltage Output voltage Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV min 10V max 15V nominal (regulated) 8V Define a suitable power circuit topology to meet the above specification Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
ans,
RA = 721.5 kohms, RB = 360.8 kohms, R3 = 3.5kohms as an example
solution.
Question 7 (6 marks) You have been given a 555 Timer, an LED with Von 2V, a 9V battery that can comfortably supply 5mA of current without loss of voltage, a 1 μF capacitor and access to any resistor values you want. You are to design a circuit that causes the LED to flash periodically once per second with a duty cycle of 75%....
(a) Design a inverting Schmitt trigger circuit
to be used as a zero crossing detector with transition voltages
about ±25 mV. Assume the saturation voltages for the op–amp are ±13
V. Draw the voltage transfer characteristic (VTC), i.e., vout vs.
vin.
(b) Design an astable multivibrator to produce
a square signal with a frequency of 1 kHz using C=0.01 µF, R1 = 30
kΩ, and R2 = 20 kΩ. Sketch the circuit waveforms (vo, v +, and v −)
assuming...
1. Referring to Fig. 1: (12 pts. a. Determine the type of feedback circuit per stage b. The output voltage of the first stage. c. The current flowing through R4. d. The output impedance Zof of the last stage R2 1 KO Vec 15 V А в 15 V F 741C 74106 O G I 1 MA (1 VE -15 V 100 kg 512 Fig. 1 2. Design a 555 timer that free-runs at a frequency of 1 kHz and...
Question 8 (6 marks) You have been given a 555 Timer, an LED with Von-2V, a 9V battery that can comfortably supply 5mA of current without loss of voltage, a 1uF capacitor and access to any resistor values you want. Design a circuit that causes the LED to flash periodically once per second with a duty cycle of 75% Ensure that it does not draw more than 5mA of current from the battery (i.e 3mA of charging current and 2mA...
8 Assist with Theory please..
TOPIC: 4.3 MONOSTABLE OPERATION OF THE 555 TIMER DEVICE OBJECTIVE: Build and test the operation of the 555 timer IC which functions as a monostable multi vibrator. REFERENCE: Manufactures data sheets COMPONENTS: Ix IC 55.5 1 x 0.1 μ-capacitor Tnmpot Resistor pack EQUIPMENT: Development board Logic probe Multi metre INSTRUCTIONS: 1. Draw the circuit to use the 555 timer to function as a monostable multivibrator. 2. The output pulse must have a pulse length of...
For the 555 timer (square wave generator) shown in figure 6, assuming the values Vec . 5 v, C-0.1 μF, C'-0.01 μF, Ra 4.7 ko, Rb-10 ΚΩ, answer the following a8). a. Plot the output waveform at pin3 b. Find the frequency of the output signal c. Plot the waveform at pin6 d. Find the duty Cycle. 8 4 Figure 6 Page 5
For the 555 timer (square wave generator) shown in figure 6, assuming the values Vec . 5...
1. to design a high efficiency d.c. to d.c. power converter with the given specifications Input voltage Output voltage Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV min 10V max 15V nominal (regulated) 8V Define a suitable power circuit topology to meet the above specification Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
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