Transcription of ラダー型水晶フィルタの試作 2012 ... - yacc.co.jp
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ラダー型水晶フィルタの試作 2012 ... - yacc.co.jp
JA1 VCW.. OM QSO .. 6 MHz 14 70pF .. SSB BPF LSB .. pole . 4pole .. 8pole 4 .. 12pole 12pole . 14 .. 1.. 4pole . 8pole .. 4 8 12 . 2.. FRMS Cytec . 23Hz . C . Fs) Fp) (Fs Fp) . Cs . No. Cs (pF) Fs (kHz Fp (kHz F (kHz). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Average GND .. 14 2 ( ,No9) 12 .. Excel .. Fs (kHz) = Fp (kHz) = Fs,Fp . (kHz) = Bw (kHz) = -6dB . Cs (pF) = Cs . Cg (pF) = 0 Cg 0 . Cd (pF) = Cd = Cs-Cg Ct = 2*Cd(( F/Bw) . Ct (pF) = Cc = 2*Ct Cc (pF) = Rt ( ) = Rt = 1/(2*pi*Fs*Ct). 3.. 2 11 C . 1% . + 33pF . L . FET . FRMS . 12pole .. 1 .. FRMS .. 33pF . 4. 3pF 36pF . 36pF) . 3pF 39pF . ( . 39pF) .. -6dB -60dB Shape Factor . 5.. OM .. TG FRMS .. C VK3 BHR HP L/C.
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