A 5-V, 10-MHz oscillator having a rise/falltime of 10 ns and a 50% duty cycle is applied to a gate as shown in Fig. P3.2.4. Determine the value of the capacitance such that the fifth harmonic is reduced by 20 dB in the gate voltage VG(t). [63.34 pF]
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A 5-V, 10-MHz oscillator having a rise/falltime of 10 ns and a
50% duty cycle is...
3.2.1 A 10-MHz clock oscillator transitioning from 0 to 5 V with rise/falltimes of 20 ns...
3.2.1 A 10-MHz clock oscillator transitioning from 0 to 5 V with rise/falltimes of 20 ns and a 50% duty cycle is connected to a gate as shown in Fig. P3.2.1. A filter is connected as shown. Determine the level of the 11th harmonic at the gate terminals. Obtain these by using the exact expression and by using the spectral bounds. [73.95 dBmV exact, 78.56 dBmV by interpolation] Use PSPICE to confirm this. [4.981 mV or 73.95 dBmV] FIGURE P3.2.1.
The answers are at the end of the question but I am not sure if they...
The answers are at the end of the question but I am not sure if
they are right/I do not know how they get those numbers
3.2.1 A 10-MHz clock oscillator transitioning from 0 to 5 V with rise/falltimes of 20 ns and a 50% duty cycle is connected to a gate as shown in Fig. P3.2.1. A filter is connected as shown. Determine the level of the 11th harmonic at the gate terminals. Obtain these by using the exact...
2. You need to build a square-wave oscillator with duty cycle of 50%. The output should...
2. You need to build a square-wave oscillator with duty cycle of 50%. The output should oscillate between 0 and 10 volts. The frequency should be 1500 Hz. Also for consistency sake use Rcap-35K2. For this please draw a schematic. Specify the capacitor value and the resistors as well as the supply voltage values
What is the frequeney o f2)? What is the duty cycle of the wav delay of 10 ns, what is the waveform on Q2. in terms of the clock frequency (e. f the waveform on Q27 If cach gate has a propagation...
What is the frequeney o f2)? What is the duty cycle of the wav delay of 10 ns, what is the waveform on Q2. in terms of the clock frequency (e. f the waveform on Q27 If cach gate has a propagation e maximun delay to a valid count, and at what count Freure 26 27. Use the circuit of Figure 27 to answer these questions. asynchronous? Should CTEN be HI or LO so that the counter is operational? What...
( Q2) Marks 14+14+6 In Fig 2 L1 mH and R-0.001 2 Vac 60 V. Square wave switching is used with switching frequency of 300 Hz and 50% duty cycle. Assume ideal switches and ideal diodes. Switches S1, S...
( Q2) Marks 14+14+6 In Fig 2 L1 mH and R-0.001 2 Vac 60 V. Square wave switching is used with switching frequency of 300 Hz and 50% duty cycle. Assume ideal switches and ideal diodes. Switches S1, S2. S3 and S4 are IGBTs/MOSFETs and Diode D and D2, D3 and D4 are antiparallel body diodes of these devices.. At steady state Sketch the gate signal for S1, VAN and o. For each region, indicate the conducting devices, by clearly...
6. FIGURE 4 show the construction of a multi-plate variable capacitor having 4 pairs of plates. The plates, when closed, are separated in air by 0.01 mm and a capacitance range of 10 to 400 pF i...
6. FIGURE 4 show the construction of a multi-plate variable capacitor having 4 pairs of plates. The plates, when closed, are separated in air by 0.01 mm and a capacitance range of 10 to 400 pF is required. (a) Estimate the required radius, R, of cach plate (b) The capacitor is set to the maximum 400 pF and is charged to 10 V through a 50 kS2 resistor. Determine: the initial value of current flowing. (i) (ii) the time constant...
Question 5 5.1 A 230-V, 50-Hz alternating p.d. supplies a choking coil having an inductanceof 0.06...
Question 5 5.1 A 230-V, 50-Hz alternating p.d. supplies a choking coil having an inductanceof 0.06 henry in series with a capacitance of 6.8 x 10-6 μΕ, the effective resistance of the circuit being 0.0025kQ. 5.1.1 Determine the current and the angle of the phase difference between it and the applied p.d. If the pd. has a 10% harmonic of 5 times the fundamental requency, determine the current due to it 5.1.2 (10). [15]
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1. Analysis and design of a buck-boost converter: A buck-boost converter is illustrated in Fig. 1(a),
and a practical implementation using a transistor and diode is shown in Fig. 1(b).
+
(a)
Vg
v
Figure 1 Buck–boost converter
of Problem 1: (a) ideal converter
circuit, (b) implementation using
MOSFET and diode.
–
Q1
D1
(b) +
Vg
v
Page 2
iL
(t) + vL...
A MOSFET and diode is used in a circuit shown in figure. The operating conditions are...
A MOSFET and diode is used in a circuit shown in figure. The operating conditions are as follows: Input Voltage = VIN = 42 V, Io = 5A. Switching frequency fs = 400 kHz, Duty-cycle = D = 0.3. Diode Forward Voltage drop = 0.7V. Diode Peak Reverse Recovery Current = IRRM = 2.5 A. ON-state resistance of the MOSFET is RDS (on) = 25 mΩ. VGG as a step voltage between 0V and 10 V. MOSFET timings – Td...
The class E inverter as shown in Figure 7-1 operates at resonance and has Vs-48 V and R-10 Ω The ...
The class E inverter as shown in Figure 7-1 operates at resonance and has Vs-48 V and R-10 Ω The switching frequency is fs- 20 kHz. Assume a quality factor Q-7. (a) Calculate the parameters and complete Table 7-1. Assume an ideal transistor switch the optimum values on inductor / the optimum value of capacitor C the optimum values on inductor Le the optimum value of capacitor Ce the damping factor δ the peak output voltage Vo for Vi= 12...
The answers are at the end of the question but I am not sure if
they are right/I do not know how they get those numbers
3.2.1 A 10-MHz clock oscillator transitioning from 0 to 5 V with rise/falltimes of 20 ns and a 50% duty cycle is connected to a gate as shown in Fig. P3.2.1. A filter is connected as shown. Determine the level of the 11th harmonic at the gate terminals. Obtain these by using the exact...
2. You need to build a square-wave oscillator with duty cycle of 50%. The output should oscillate between 0 and 10 volts. The frequency should be 1500 Hz. Also for consistency sake use Rcap-35K2. For this please draw a schematic. Specify the capacitor value and the resistors as well as the supply voltage values
What is the frequeney o f2)? What is the duty cycle of the wav delay of 10 ns, what is the waveform on Q2. in terms of the clock frequency (e. f the waveform on Q27 If cach gate has a propagation e maximun delay to a valid count, and at what count Freure 26 27. Use the circuit of Figure 27 to answer these questions. asynchronous? Should CTEN be HI or LO so that the counter is operational? What...
( Q2) Marks 14+14+6 In Fig 2 L1 mH and R-0.001 2 Vac 60 V. Square wave switching is used with switching frequency of 300 Hz and 50% duty cycle. Assume ideal switches and ideal diodes. Switches S1, S2. S3 and S4 are IGBTs/MOSFETs and Diode D and D2, D3 and D4 are antiparallel body diodes of these devices.. At steady state Sketch the gate signal for S1, VAN and o. For each region, indicate the conducting devices, by clearly...
6. FIGURE 4 show the construction of a multi-plate variable capacitor having 4 pairs of plates. The plates, when closed, are separated in air by 0.01 mm and a capacitance range of 10 to 400 pF is required. (a) Estimate the required radius, R, of cach plate (b) The capacitor is set to the maximum 400 pF and is charged to 10 V through a 50 kS2 resistor. Determine: the initial value of current flowing. (i) (ii) the time constant...
Question 5 5.1 A 230-V, 50-Hz alternating p.d. supplies a choking coil having an inductanceof 0.06 henry in series with a capacitance of 6.8 x 10-6 μΕ, the effective resistance of the circuit being 0.0025kQ. 5.1.1 Determine the current and the angle of the phase difference between it and the applied p.d. If the pd. has a 10% harmonic of 5 times the fundamental requency, determine the current due to it 5.1.2 (10). [15]
The class E inverter as shown in Figure 7-1 operates at resonance and has Vs-48 V and R-10 Ω The switching frequency is fs- 20 kHz. Assume a quality factor Q-7. (a) Calculate the parameters and complete Table 7-1. Assume an ideal transistor switch the optimum values on inductor / the optimum value of capacitor C the optimum values on inductor Le the optimum value of capacitor Ce the damping factor δ the peak output voltage Vo for Vi= 12...
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