Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
Landscapes
Variable-Direction Aerials And Aerial Arrays
(AREA)