该电路用于业余波段信号偏移频率测量系统。九节Chebvshev高通滤波器,带有1dB通带纹波衰减,形成微薄的2.045-2.245MHz像点16dB,同时选择所需的2.955-3.155MHz信号。 : |
|Archiver|手机版|家电维修论坛
( 蜀ICP备19011473号-4 川公网安备51102502000164号 )
GMT+8, 2025-6-21 07:32 , Processed in 0.125084 second(s), 18 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.