Pattern Generator For Radio Direction Finding Circuit

  
In order to display polar quantities (magnitude and direction of a received radio signal), a sine and cosine voltage proportional to an angle (antenna direction) is needed. In this case, a sine-cosine potentiometer coupled to a directional antenna and a sample of a voltage proportional to received signal is used to display
Pattern Generator For Radio Direction Finding Circuit - schematic

relative magnitude and direction of a received signal.



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