Simple 3dB/oct network * Copyright(c) 2002 Takayuki HOSODA. All rights reserved. * lyuka@finetune.co.jp http://www.finetune.co.jp/~lyuka/ ** Analysis setup ** .width out=80 *.tran 200ps 40ns 0 100ps .ac DEC 48 0.1 1MEG .option limpts 6001 .SUBCKT BUF 1 2 E1 2 0 1 0 1 .ENDS *** Schematics Netlist *** Vin 1 0 DC 0 AC 1 +SIN 0 100mV 410Meg 0 0 0 R1 1 2 1K R2 2 3 1K C1 3 0 1n X1 2 4 BUF R3 4 5 2K R4 5 6 2K C2 6 0 2n X2 5 7 BUF R5 7 8 4K R6 8 9 4K C3 9 0 4n X3 8 10 BUF R7 10 11 8K R8 11 12 8K C4 12 0 8n X4 11 13 BUF R9 13 14 16K R10 14 15 16K C5 15 0 16n X5 14 16 BUF R11 16 17 32K R12 17 18 32K C6 18 0 32n X6 17 19 BUF R13 19 20 64K R14 20 21 64K C7 21 0 64n X7 20 22 BUF R15 22 23 128K R16 23 24 128K C8 24 0 128n X8 23 25 BUF R17 25 26 256K R18 26 27 256K C9 27 0 256n X9 26 28 BUF RL 28 0 10K *** Output control *** *.print tran V(28) .print ac VdB(28) VP(28) .END