In a heterodyne receiver having more than one selectable receive frequency and having at least one intermediate frequency circuit (102) capable of operation on at least two intermediate frequencies, a method for selecting one of the at least two intermediate frequencies is shown. The selection method...http://www.google.fr/patents/US5230094?utm_source=gb-gplus-shareBrevet US5230094 - Method and apparatus for intermediate frequency selection in a heterodyne receiver
Method and apparatus for intermediate frequency selection in a heterodyne ...
