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Re: How to make a simple freq. analyzer with a old oscillosc
Oscilloscope can be used only as a display unit. Basically for frequency analysis you need VCO, time-base generator and amplitude detector. Time-base generator signal should be used for X deflection and detector signal for Y deflection on oscilloscope. Usually a XY display mode is used for oscilloscope.
Re: How to make a simple freq. analyzer with a old oscillosc
See S53MV spectrum analyzer in VHF communications or the web. It uses oscilloscope as a display for 100kHz to 1.8GHz spectrum analyzer. It's not simple though...
Re: How to make a simple freq. analyzer with a old oscillosc
For the experimental or know how purposes, it is good to make such equipment. But my experience and logic says, always buy basics or advanced equipments (for your measuerment needs), even if you are able to build them. Because these are build by professionals and have very costly reference tools to calibrate them. So, for any professional work one should do that. For the cost issues, Yes, these are comparitivly costly. But one can use some organisation equipments on their site.
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