A compact bandpass filter based on co-design of highly efficient power amplifier
2013 ◽
Vol 61
(11)
◽
pp. 3940-3950
◽
1999 ◽
Vol 46
(11)
◽
pp. 1329-1336
◽
2017 ◽
Vol 27
(1)
◽
pp. 76-78
◽