19. SABC has a VCO with an output frequency which changes from 100kHz to 150 kHz...
A. The amplifier shown below is constructed with auA741 opamp with R-10kg 2. It is to have (GBP) of 1 MHz a closed-loop gain of 100. Assume the op-amp has a gain-bandwidth product i. Specify the value of Ro ii. What will be the gain (in both dB and actual magnitude) at 100.kHz? ii. How many cycles will the output signal trail the input signal at 100kHz Co Noh-Inverting R Op-Amp vi Curde 1. B. A transducer measures a sinusoidal...
3. The following output data are recorded from a test on a filter circuit when an input sinusoidal signal having an amplitude of 2V is applied with frequencies shown below. Complete the following: a. Draw the frequency response graph. b. Calculate the cut-off frequency from the graph and calculate the roll-off rate. c. Determine minimum filter order necessary to achieve the response. Explain. d. Draw the input and output waveforms on the same graph if the gain of the filter...
FrqRsp07 80 pF + Given: A series-resonant filter with a resonant frequency of 200 kHz has a quality factor of 15. Vi is the input voltage and V is the output voltage. Required: a. Determine the inductance value, L, in mH for the filter. b. Determine the resistance value, R, in k for the filter c. Determine the filter's gain in decibels, Gdb, at a frequency of 120 kiIz. d. Determine what type of filter this is. Solution: L= C...
The output voltage of a 100 kHz DC converter has 10V maximum value with a duty ratio of 0.25. What is the effective value of the output voltage? O2.5V O 20V Question 2 10 pts t converter has an input voltage of 12 V and the duty ratio is adjusted to 0.5 What is the output voltage? O 12 Volt O 48 Volt O 6 Volt O 24 Volt
a The operational amplifier in Figure 3.a has a slew rate of 0.5V/us and a unity gain bandwid of 5 MHz. Determine () the voltage gain, and (ii) the maximum input frequency such that the output waveform is undistorted. with Vpeak 1V and frequency f. () Determine the cutoff frequency, (ii) plot, to scale, the you use this integrator if the input frequency is 30 KHz? Explain your answer. that any feedback resistance is fixed to 5k2. b. In the...
A Buck-boost converter has an output voltage 100 V, output power 60 W and input voltage 12 V. Switching frequency is 15 kHz. Calculate duty ratios for the switch and the diode. Find values for the inductor L and capacitor C, when the allowed output voltage ripple is ±0.15 % and the inductor current ripple is ±1 % (of the average value). If the on-time of the switch has an inaccuracy of ±50 ns, what is the new output voltage...
A buck converter has the following properties: D = 0.68, frequency = 200 kHz Load power = 14 Watts. Input voltage 20 V. For the buck converter above, if the inductor L=24 uH calculate the ripple current. Report your answer in amps to three decimal places, without units.
For the circuit below, the output is at 15 V and the input voltage is at +2 V if the input voltage is gradually lowered to -2 V, at what input voltage does the output switch from +15 V to-15 V (to 1 % accuracy)? The op-amp has rail-to-rail swing, and a gain-bandwidth product of 3 MHz. The resistors used are r1 -1.5 k ohm and r2 22.8 k ohm r2 Vin 2 +2 V +15 V r1 f 1...
4. In the circuit shown below, a parallel RC network creates a frequency-dependent feedback path for the inverting amplifier block with gain Av (a large negative value). Use the Miller theorem to find the equivalent input impedance Zin as indicated in the diagram and then show that Vin/Vsig is given by the symbolic expression shown below right. Choose a value for capacitor C to make the upper cut-off frequency fH equal to 22 kHz. Repeat the calculation for the case...
P8.8 A forward converter supplied from a 25-V de source operates with the switch- ing frequency of 50 kHz and duty ratio of 0.5. The turn ratio of the trans- former is 1:1, the output capacitance is 150 uF, and the load draws a current of 2.5 A. Select the minimum inductance for continuous conduction mode and determine the average value and ripple amplitude of the output voltage.