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An amplitude-modulated radio signal consists of an 80 Hz to 12 kHz audio signal superimposed on a 770 kHz carrier signal. A low-pass filter is to be designed in which the gain in the passband is unity and the carrier signal is attenuated by at least -100 dB. What order of filter is required?
Briefly, the speed is adjusted unless the probability that the mean thickness lies within ±2% of the sample mean exceeds 0.99. A typical set of measurements (in mm) is as follows:
A junction employs Nd = 8x 10^17cm^-3 and Na= 2 x 10^ 17 cm^-3. The device is at 300K. (a) determine the majority and minority carrier concentrations on both sides (b) Calculate the built-in potential at (i)T=250K (ii)300K
What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code
The op-amp circuit measures the changes of temperature in a system. The output voltage is given by v0(t) = -R(t)vi(t). Suppose that the temperature in the system changes cyclically after t = 0, so that R(t) = [1 +0.5 cos(20πt)] u(t) and let the in..
Does a digital watch have to meet the FCC's EMC requirements?
PLC 2 In a motor control system, one master stop pushbutton (Stop) is available for stopping the operation at any time. If the temperature switch (TSW) is closed, pressing the red pushbutton (RedPB) will turn on both motors M1 and M2.
Suppose that the following sequence of symbols must be transmitted: (-2, +2), (0, 0), (+2, -2), (0, 0), (-2, +2), (0, 0), . . . . Draw the corresponding waveform in each pair of wires (use the clock period, T, as your time unit).
What is the configuration of system for digital processing of an analog signal? a) Analog signal|| Pre-filter ->D/A Converter -> Digital Processor -> A/D Converter -> Post-filter
a 60 Hz power generator is in series with a 800 Ohm resistor and 4 micro farad capacitor. Calculate the power concert.
A permanent magnet dc motor has two poles and a simplex lap winding of 18 loops and 3 turns per loop. The armature radius is 4 cm and the armature length is 15 cm. The flux density under the poles is 0.74 T.
Channel 1 and channel 2 are configured to generate output signals OUT1 and OUT2, with TACCR1 = 745, and TACCR2 = 499, respectively. And the output mode is set to Reset/Set. Sketch two periods of the output signals OUT1 and OUT2 (with proper labeli..
how does the current mode control works in a boost converter if I assume induction current is sensed and used to generate thePWM. what is the transfer function ΔVc(s) / ΔIref(s),where Iref is the reference current given to the comparator
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