Hi againetwork. if it is pi filter what is the purpose of C1?
How about your message signal ? what is it's frequency ?reflected EM waves at around 400 MHz.
I don't think that , it will be a good idea , to test that circuit with 60 HZ frequency , because this frequency is ( this pretty low frequency ) for military communications , and detecting such low frequency is completely different .i can testify the above given values as this circuit is not designed by me..
But you told 400 MHZ at firstwave of 380 MHz an
Is your mean that your waves are out of phase together ? if yes , in your simulation both are the same , perhaps you have changed it internally ?will detect phase difference using diode
That is low pass .whether it is low pass or band pass filter
We can easily find cut off frequency , but i don't know why you don't know anything about it's input signal ( it's frequency ) .suppose we don't know the frequency of incoming signal.. is it possible to find out the frequency at which this circuit is designed using the above given parameters?
sir , this is a passive receiver circuit, there are two antennas instead of voltage source. but when signal will strike on antennas, it will induce voltage. therefore just to model that voltage i have placed voltage sources here. my purpose is just to find out that how i can calculate the values of Resistors and Capacitors in this configuration. thnnx,,, best regards
A receiver circuit needs a kind of rectifying circuitry.
I repeat: In your circuit with voltage sources the diode is useless - it has no effect!
dear sir, u mean it's low pass filter with cutoff freq 1/2*pi*r1*c2 ? is it?
suppose if we ignore diode and there is a sinusoidal voltage source across C1..what will happen?
thnx and best regards
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