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Someone can upload the schematic diagram of the Wii power supply, please?
It's an RVL-002 model, and is printed T002A, 94V-0, and Mitsumi on the internal board.
My WII power supply has no power output, and I can not identify some components on the board, Mainly the IC1, which can be faulty, and...
CCE TV - model HPS-141 D
Friends,
The flyback is in sparks to the L402 bobbin (43uH), but was functioning, despite the D408 diode (1N4148) that it was in short and electrical resistance FR405 (1 ohm/1W) opened. I changed D408 and FR405 by good ones, but for accident, the DZ803 (4V7) was open...
Dear friends,
How can I find any way, in C program, when the user entry with an origin point and final point?
The map is in matrix form, when is 1, exist an way from numer line to number colun, as the picture.
I hava begin, anybory can help continuing it?
# include <stdio.h>
main () {
int k...
Re: AM modulation concept
for example, if I have a pulse train, with ζ pulse width, and T = 5*ζ
in Fourier series:
f(t) = Co + ∑ [Cn * cos (nωot + Φn)]
and
Cn = (ζ/T)*A*Sa(n*pi*ζ/T)
where:
Co: DC component
n: number of the harmonic
Φ: phase
ζ: pulse width
T: period of the pulse trains or...
Re: AM modulation problem
Thanks, but this is just a simple exercise from Lathi's book.
So, the AM DSB modulated is:
[Eo + K*a(t)]*cos wot
where:
Eo: Carrier amplitud ( that's we consider 1!?)
K: constant modulator
a(t): information signal or modulator signal
wo: carrier frequency
How can I...
Re: AM modulation problem
May I say that the minimal amplitud of the carrier be 1 V (for does`t have overmodulation)?
Since we consider the signal amplitud the peak signal (Vpp/2), what shoul be that amplitud?
Re: AM modulation concept
sorry, but it is confused... could show an numerical example of how to calculate the spectrum of the carrier modulated by a periodic pulse?
tks
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