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I have no whatsoever motivation using medium band. I'm just doing it for experimental reasons. As I mentioned I can receive the signal within 2m radius clearly even with no antenna. I have tried using a radio set antenna as the transmitting antenna but to no avail.
I myself have been thinking of...
Hello,
I have built an AM transmitter and now I can only receive signal within just 1m radius of the transmitter. I use a colpitt oscillator to get a carrier of 740khz. For the modulating signal I'm using a 1khz tone from a signal generator although I've also used an electret microphone. I am...
Hello,
I have a micro-pump and whenever the voltage applied is increased, water pumps out faster. I want to write a software that could tell me what voltage I'm using so that I can calculate the frequency.
I have a prior understanding of how to use the LTP port (parallel) of the computer using...
What you gave me were links to software that are already design to do specific tasks. I want a sample of the source code of one frequency analyzer so that I'll use it in my program.
Hello,
I am building a metal detector and I have succeeded. Everything is OK. I have connected a speaker to its output and it sends out different frequency waves whenever a metal is brought near the detector.
However, I want now to interface it with the computer so that I can write a software...
What can anyone suggest? I want to transmit at 4 different frequencies at my will. That's the reason I have made the Colpitt oscillator with a simple switch that can vary the inductance of the tank circuit to the frequency I want. What I intend to do is take the output of the oscillator and pass...
Hello,
I want to build a system that can transmit in the FM band. I have already built my oscillators because I want to transmit at more than one frequency (not simultaneously). Now, what I want is a simple FM modulator that takes in the carrier from my oscillator and baseband audio signal...
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