Using a 555 timer, design a pulsed source generating positive pulses, 1 microsecond wide, 30% duty...
Using a 555 timer, design a pulsed source generating positive pulses, 1 microsecond wide, 30% duty cycle (30%/70% high/low time)
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Using a 555 timer, design a pulsed source generating positive
pulses, 1 microsecond wide, 30% duty...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty cycle D(%)- 85, VCC = 5V, find the range of variation off and D(%) if the voltage at the control input is modulated by a.c. coupling to it an external sine wave with a peak amplitude of IV. Assume C 0.01uF Ir.
Σ A nerve stimulator that stimulates for 250 μs every 55 ms is designed using 555 timer configure...
Σ A nerve stimulator that stimulates for 250 μs every 55 ms is designed using 555 timer configured below on the left. a) What is the other electric element needed for the stimulating signal? b) If the value of the capacitor is chosen to be 0.2 HuF, what should be the values of R, and R,? (Hints: The high voltage and low voltage time are given in the figure on the right.) 5V 1 5 ov
Σ A nerve stimulator...
Circuit Analysis Vcc +Vcc 10 k2 R3 1kn 4 1 k2 Voi 7 555 A oVo...
Circuit Analysis
Vcc +Vcc 10 k2 R3 1kn 4 1 k2 Voi 7 555 A oVo 3 555 2 R4 10 kn R2 2 1 MQ 5 5 6 C1 1 F C3 0.1 uF C4 10 nF C2 10 nF I Figure Q2 4 Figure Q2 shows an oscillator circuit using two 555 timers. Assume that the reset pin is active low. When the switch is opened: (i) Draw the output waveform (V01) of Timer A indicating clearly the...
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...
Problem 5 1. Design a monostable multivibrator using the 555 imer IC Fip Dop 100 ?...
Problem 5 1. Design a monostable multivibrator using the 555 imer IC Fip Dop 100 ? multivibrator, find the period over which the output signal remains high if the negative trigger impulse remains low for 3ms. 2. If a lkS2 resistor and a 5?F capacitor are used to design the above Pag
A. Design a circuit using D flip-flops that will generate the sequence 0, 0, 1, 0,...
A. Design a circuit using D flip-flops that will generate the
sequence 0, 0, 1, 0, 1, 1 and repeat. Do this by designing a
counter for any sequence of states such that the first flip-flop
takes on this sequence. There are many correct answers, but do not
duplicate states, because each state can have only one next
state.
B. A pulse-generating circuit generates eight repetitive pulses
as shown in the figure. Implement the pulse-generating circuit
using a binary counter...
Can anyone help with 3-7? or help me get started? im not sure how to set them up. please and than...
can anyone help with 3-7? or help me get started? im not sure
how to set them up. please and thank you
I. The Monostable timer (also called the one-shot, abbreviated OS) has 2. Explain the difference between a retriggerable OS and a non A stable state() os gaun until it times ut. 3. Calculate the duration of the pulse generated by a 535 timer circuit configured to operate as an OS. The external resistance used for the generating the...
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...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty cycle D(%)- 85, VCC = 5V, find the range of variation off and D(%) if the voltage at the control input is modulated by a.c. coupling to it an external sine wave with a peak amplitude of IV. Assume C 0.01uF Ir.
Σ A nerve stimulator that stimulates for 250 μs every 55 ms is designed using 555 timer configured below on the left. a) What is the other electric element needed for the stimulating signal? b) If the value of the capacitor is chosen to be 0.2 HuF, what should be the values of R, and R,? (Hints: The high voltage and low voltage time are given in the figure on the right.) 5V 1 5 ov
Σ A nerve stimulator...
Circuit Analysis
Vcc +Vcc 10 k2 R3 1kn 4 1 k2 Voi 7 555 A oVo 3 555 2 R4 10 kn R2 2 1 MQ 5 5 6 C1 1 F C3 0.1 uF C4 10 nF C2 10 nF I Figure Q2 4 Figure Q2 shows an oscillator circuit using two 555 timers. Assume that the reset pin is active low. When the switch is opened: (i) Draw the output waveform (V01) of Timer A indicating clearly the...
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...
Problem 5 1. Design a monostable multivibrator using the 555 imer IC Fip Dop 100 ? multivibrator, find the period over which the output signal remains high if the negative trigger impulse remains low for 3ms. 2. If a lkS2 resistor and a 5?F capacitor are used to design the above Pag
A. Design a circuit using D flip-flops that will generate the
sequence 0, 0, 1, 0, 1, 1 and repeat. Do this by designing a
counter for any sequence of states such that the first flip-flop
takes on this sequence. There are many correct answers, but do not
duplicate states, because each state can have only one next
state.
B. A pulse-generating circuit generates eight repetitive pulses
as shown in the figure. Implement the pulse-generating circuit
using a binary counter...
can anyone help with 3-7? or help me get started? im not sure
how to set them up. please and thank you
I. The Monostable timer (also called the one-shot, abbreviated OS) has 2. Explain the difference between a retriggerable OS and a non A stable state() os gaun until it times ut. 3. Calculate the duration of the pulse generated by a 535 timer circuit configured to operate as an OS. The external resistance used for the generating the...
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...
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