共 70 条
[15]
ALIGNMENT AND ADJUSTMENT OF SYNCHRONOUSLY TUNED MULTIPLE-RESONANT-CIRCUIT FILTERS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1951, 39 (11)
:1448-1455
[16]
Tri-band filter using combined E-type resonators
[J].
ELECTRONICS LETTERS,
2013, 49 (03)
:193-194