* SPICE netlist
T1 N005 0 N006 0 Td=10n Z0=50
Eadd1 N005 0 N003 N013 1
Vin N003 0 AC 1
R1 N008 0 50
T2 N007 0 N008 0 Td=10n Z0=50
Esum1 N013 0 N015 N016 -1
EA1 N015 0 N007 0 1.78125
EA2 N016 0 N008 0 0.8125
E1 N004 0 N008 0 0.03125
R2 N006 0 50
E2 N007 0 N006 0 1
T3 N020 0 N021 0 Td=10n Z0=50
Eadd2 N020 0 N004 N028 1
R3 N023 0 50
T4 N022 0 N023 0 Td=10n Z0=50
Esum2 N028 0 N030 N031 -1
EA3 N030 0 N022 0 1.78125
EA4 N031 0 N023 0 0.8125
E3 N019 0 N023 0 0.03125
R4 N021 0 50
E4 N022 0 N021 0 1
T5 N033 0 N034 0 Td=10n Z0=50
Eadd3 N033 0 N019 N041 1
R5 N036 0 50
T6 N035 0 N036 0 Td=10n Z0=50
Esum3 N041 0 N042 N044 -1
EA5 N042 0 N035 0 1.78125
EA6 N044 0 N036 0 0.8125
E5 Voutbq 0 N036 0 0.03125
R6 N034 0 50
E6 N035 0 N034 0 1
T7 N011 0 N012 0 Td=160n Z0=50
Ebuf1 N011 0 N003 0 1
RC1 N012 0 50
EC1 N010 0 N011 N012 1
EC2 N001 0 N010 N014 1
EC3 N014 0 0 N009 1
T8 N001 0 N009 0 Td=10n Z0=50
RC2 N009 0 50
T9 N026 0 N027 0 Td=160n Z0=50
Ebuf2 N026 0 N002 0 1
RC3 N027 0 50
EC4 N025 0 N026 N027 1
EC5 N017 0 N025 N029 1
EC6 N029 0 0 N024 1
T10 N017 0 N024 0 Td=10n Z0=50
RC4 N024 0 50
E7 Vouts 0 N032 0 0.0625
T11 N039 0 N040 0 Td=160n Z0=50
Ebuf3 N039 0 N018 0 1
RC5 N040 0 50
EC7 N038 0 N039 N040 1
EC8 N032 0 N038 N043 1
EC9 N043 0 0 N037 1
T12 N032 0 N037 0 Td=10n Z0=50
RC6 N037 0 50
E8 N018 0 N017 0 0.0625
E9 N002 0 N001 0 0.0625
.AC DEC 1000 500k 50MEG

* LTspice schematic (.asc)
Version 4
SHEET 1 3040 1840
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FLAG 1312 -776 0
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SYMATTR InstName T1
SYMATTR Value Td=10n Z0=50
SYMBOL e -1344 -760 R0
SYMATTR InstName Eadd1
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SYMBOL voltage -1520 -728 R0
SYMATTR InstName Vin
SYMATTR Value2 AC 1
SYMATTR Value ""
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SYMATTR InstName R1
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SYMBOL tline -672 -744 R0
SYMATTR InstName T2
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SYMATTR InstName R3
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SYMATTR InstName T4
SYMATTR Value Td=10n Z0=50
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SYMATTR InstName Esum2
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SYMATTR InstName EA3
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SYMATTR InstName EA4
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SYMATTR InstName E3
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