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The old theory, before Shannon showed us a better way, was 1 bit per second required 1 hertz. Under the newer theory, if you think about signal to noise power, then by using multiple levels of encoding larger than the noise power, you can exceed the 1 hertz per bit concept. Thus you can trade...
The Journal of the Franklin Institute seems to have the most comprehensive library of lightning research. For example, measurements done at the base of a tower in northern Italy, a researcher, inside a faraday cage, using a Tek oscilloscope and a precision resistor, measured the discharge...
Don't try to equate AM-HF antennas with FM (above 88 mhz) antennas. At AM frequencies, the background noise (even in a rural environment) is very high compared to frequencies above 30 mhz. A good AM receiver will have a sensitivity of 50 micro/volts per meter while a good FM receiver...
Under that subset, then using a pair of PNP fast transistors, emitters tied together, base of one to the logic/RF pulses and the other to the video with sync tips at zero, (probably need "base stopper" resistors)
, collectors to Vcc, will work as a fast and nasty video modulator. This was the...
I assume you mean RS-170 and not the new HD format video. If you are referring to HD, then no. Standard RS-170 would be difficult as frequency multiplying the sidebands would mess up the 3.58 sideband relationship to the carrier. However, on a straight frequency relationship, using the logic...
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