* Z:\home\khalils\Downloads\files\data\raw_asc\1f6bff33480f_register_bjt.asc
* Generated by LTspice 26.0.1 for Windows.
* .tran {2*reps/freq}
* .ac oct 100 1k 100mega
* Rb controls gate delay (rise and fall edge) as well as gate power consumption.\n \nRb=100 --> 4/5ns gate delay; 35mA gate power\nRb=200 --> 6/8ns gate delay; 20mA gate power
* This is the original cascode video amplifier I had for the MAC project
* .dc V_IN1 0 5 0.01
A11 _B_IN N004 A_IN N004 N004 _B_IN B_IN N004 DFLOP Vhigh={VH-VL}
A13 _C_IN N004 B_IN N004 N004 _C_IN C_IN N004 DFLOP Vhigh={VH-VL}
A15 N002 N004 N001 N004 N004 N002 _AND_EN N004 DFLOP Vhigh={VH-VL}
A16 N003 N004 _AND_EN N004 N004 N003 _OR_EN N004 DFLOP Vhigh={VH-VL}
A14 _ADD_EN N004 C_IN N004 N004 _ADD_EN N001 N004 DFLOP Vhigh={VH-VL}
;.step param VH 1 2.5 0.1
R61 N019 _B_IN 100
D10 N045 S1 BAT54
R48 S4 N047 1k
D2 N023 O1 BAT54
R22 N025 N038 20
Q11 _O N028 N034 0 2N3904
VCC1 N004 0 {VL}
R38 N049 S2 1k
R35 N045 N054 20
R58 O N027 1k
Q4 O3 N025 N031 0 2N3904
D15 N055 0 1N914
R12 _B_IN _D 1m
R50 N047 N056 20
R32 N043 N042 1m
D7 N036 0 1N914
Q14 0 N020 _O 0 2N3906
R10 O1 N024 200
R71 N012 VCC 1m
R59 N012 O 500
D18 N028 _O BAT54
R171 N011 N016 15
R73 N021 0 1k
R52 O N028 100
D17 N056 0 1N914
D3 N024 O2 BAT54
D6 N038 0 1N914
D19 N041 0 1N914
Q7 S2 N049 N048 0 2N3906
R72 NC_09 0 2k
D11 N054 0 1N914
R62 N014 C_IN 100
R14 O2 N024 1k
R6 N030 0 1m
D22 N018 _OO BAT54
R54 N012 _O 500
R31 IN N045 100
R28 N013 O4 500
R46 N053 0 1m
D12 S2 N049 BAT54
V_IN I1 0 PULSE(0 3 0 1n 1n 24n 50n 1000)
R44 N043 S3 500
VCC_1 N006 0 12
R39 S2 0 500
Q5 O4 N026 N032 0 2N3904
Q16 _OO N018 0 0 2N3904
R4 _O1 N007 220
R23 N032 0 1m
R25 O3 N026 200
Q13 0 N019 O 0 2N3906
D21 N040 0 1N914
R45 N046 N055 20
Q9 N009 N010 N011 0 2N3904
VCC_3 N042 0 3
R11 B_IN D 1m
R66 N012 NC_07 1k
D1 0 N016 1N4148
R27 O4 N026 1k
R17 N031 0 1m
R19 O3 N025 1k
R16 N024 N037 20
R63 N015 C_IN 100
R20 N013 O3 500
R109 COUT_0 N001 1m
R57 _O N027 100
R2 I1 0 75
R29 N026 N039 20
R40 N044 N049 20
R51 N034 0 1m
Q19 N035 N035 0 0 2N3904
D20 N027 O BAT54
R24 N013 VCC 1m
D5 N025 O3 BAT54
R33 S1 N045 1k
R9 IN N023 200
VCC_12 N005 0 30
R18 O2 N025 200
R1 N008 N011 100
R30 N051 0 1m
D14 N046 S3 BAT54
Q21 N012 O N021 0 2N3904
R69 VCC N035 10k
Q17 N012 N014 N019 0 2N3904
R67 N021 N018 2k
R68 N022 NC_08 1k
R55 N028 N041 20
R169 N005 N007 1k
R168 N006 N008 810
D4 N037 0 1N914
Q3 O2 N024 N030 0 2N3904
R26 A_IN EN 1m
Q15 N012 N015 N020 0 2N3904
V_BIT5 A_IN N004 PULSE(0 {VH-VL} 0 {rise} {rise} {1/freq/2-rise} {1/freq} {256*reps}) AC {VH}
R42 N050 N046 100
Q12 O N027 N033 0 2N3904
R41 N052 0 1m
R8 N029 0 1m
R7 N023 N036 20
Q8 S3 N046 N052 0 2N3904
R174 I1 N010 22
R3 N017 N016 180
R5 0 _O1 10k
V_IN1 IN 0 PULSE({VL} {VH} 0 1n 1n 24n 50n 1000)
R53 _O N028 1k
R37 IN N049 100
Q2 O1 N023 N029 0 2N3904
R56 N033 0 1m
R21 N013 O1 500
R60 N027 N040 20
D8 N026 O4 BAT54
D9 N039 0 1N914
D16 N047 S4 BAT54
VCC VCC 0 {VCC}
Q10 S4 N047 N053 0 2N3904
R47 S3 N047 100
R43 S3 N046 1k
R70 N022 0 1k
R65 N012 _OO 2k
R36 N043 N048 1m
R15 N013 O2 500
R13 O1 N023 1k
R64 B_IN N020 100
R34 N043 S1 500
VCC_NEG 0 N017 12
R107 COUT_1 _AND_EN 1m
Q6 S1 N045 N051 0 2N3904
Q1 N007 N008 N009 0 2N3904
D13 N044 N043 1N914
Q18 NC_06 N022 0 0 2N3904
R49 N043 S4 500
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.param VCC=5
.param freq=20mega
.param rise=1n
.param reps=1
.param Rb=200
.tran 500n
.step temp -25 125 25
.param VH=1.5
.param VL=0.0
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 20052 9880
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WIRE 4080 6368 3632 6368
WIRE 4560 6368 4560 6096
WIRE 4560 6368 4080 6368
WIRE 5008 6368 5008 6016
WIRE 5008 6368 4560 6368
WIRE 1648 6416 1648 6368
SYMBOL npn 2176 3744 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 6336 3184 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R71
SYMATTR Value 1m
SYMBOL res 2704 3984 R0
SYMATTR InstName R16
SYMATTR Value 20
SYMBOL npn 10864 3296 M0
SYMATTR InstName Q15
SYMATTR Value 2N3904
SYMBOL res 10144 3552 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R68
SYMATTR Value 1k
SYMBOL res -224 2832 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 11008 3536 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R64
SYMATTR Value 100
SYMBOL res -16 2240 R0
SYMATTR InstName R169
SYMATTR Value 1k
SYMBOL schottky 1952 3696 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 240 2880 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL diode 3648 4288 R0
SYMATTR InstName D6
SYMATTR Value 1N914
SYMBOL schottky 6896 3456 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D22
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 2752 5616 R0
SYMATTR InstName R38
SYMATTR Value 1k
SYMBOL res 2544 5552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R37
SYMATTR Value 100
SYMBOL res 4992 5920 R0
SYMATTR InstName R46
SYMATTR Value 1m
SYMBOL schottky 3024 5664 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D12
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 3520 3808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 200
SYMBOL npn 4016 5488 R0
SYMATTR InstName Q8
SYMATTR Value 2N3904
SYMBOL pnp 6496 3568 M180
SYMATTR InstName Q13
SYMATTR Value 2N3906
SYMBOL res 10464 3216 R0
SYMATTR InstName R66
SYMATTR Value 1k
SYMBOL res 4064 5120 R0
SYMATTR InstName R44
SYMATTR Value 500
SYMBOL res 2224 4176 R0
SYMATTR InstName R8
SYMATTR Value 1m
SYMBOL npn 10416 3488 R0
SYMATTR InstName Q18
SYMATTR Value 2N3904
SYMBOL res -624 3264 R0
SYMATTR InstName R2
SYMATTR Value 75
SYMBOL res 1648 3808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 200
SYMBOL npn 3104 3744 R0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL schottky 3824 3696 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 3488 5552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R42
SYMATTR Value 100
SYMBOL schottky 3792 5440 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D14
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 128 3344 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 180
SYMBOL diode 2704 4288 R0
SYMATTR InstName D4
SYMATTR Value 1N914
SYMBOL schottky 8496 3696 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D20
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 9568 3696 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D18
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 6336 3536 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R61
SYMATTR Value 100
SYMBOL res 8224 3216 M0
SYMATTR InstName R59
SYMATTR Value 500
SYMBOL voltage 1504 4128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V_IN1
SYMATTR Value PULSE({VL} {VH} 0 1n 1n 24n 50n 1000)
SYMBOL res 3696 3552 R0
SYMATTR InstName R19
SYMATTR Value 1k
SYMBOL voltage -864 2944 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC_1
SYMATTR Value 12
SYMBOL diode 1744 6032 R0
SYMATTR InstName D11
SYMATTR Value 1N914
SYMBOL schottky 1920 5440 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D10
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1792 5296 R0
SYMATTR InstName R33
SYMATTR Value 1k
SYMBOL res 1488 1328 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R107
SYMATTR Value 1m
SYMBOL res 3152 4176 R0
SYMATTR InstName R6
SYMATTR Value 1m
SYMBOL voltage -48 1808 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC1
SYMATTR Value {VL}
SYMBOL npn 8272 3744 M0
SYMATTR InstName Q12
SYMATTR Value 2N3904
SYMBOL schottky 2880 3696 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -480 3280 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V_IN
SYMATTR Value PULSE(0 3 0 1n 1n 24n 50n 1000)
SYMBOL res -432 2768 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R174
SYMATTR Value 22
SYMBOL res 7088 3552 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R67
SYMATTR Value 2k
SYMBOL npn 6832 3488 M0
SYMATTR InstName Q16
SYMATTR Value 2N3904
SYMBOL res 8800 3808 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R57
SYMATTR Value 100
SYMBOL pnp 3072 5584 M180
SYMATTR InstName Q7
SYMATTR Value 2N3906
SYMBOL res 1616 5552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R31
SYMATTR Value 100
SYMBOL res 9440 3552 R0
SYMATTR InstName R53
SYMATTR Value 1k
SYMBOL res 4064 5920 R0
SYMATTR InstName R41
SYMATTR Value 1m
SYMBOL res 1824 3552 R0
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL res 10880 3360 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R63
SYMATTR Value 100
SYMBOL res 4416 5552 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R47
SYMATTR Value 100
SYMBOL npn -64 2704 R0
SYMATTR InstName Q9
SYMATTR Value 2N3904
SYMBOL npn 4944 5488 R0
SYMATTR InstName Q10
SYMATTR Value 2N3904
SYMBOL voltage 960 5696 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC_3
SYMATTR Value 3
SYMBOL res 4544 5728 R0
SYMATTR InstName R50
SYMATTR Value 20
SYMBOL res 3648 3984 R0
SYMATTR InstName R22
SYMATTR Value 20
SYMBOL res 4576 3984 R0
SYMATTR InstName R29
SYMATTR Value 20
SYMBOL res 5024 4176 R0
SYMATTR InstName R23
SYMATTR Value 1m
SYMBOL diode 1776 4288 R0
SYMATTR InstName D7
SYMATTR Value 1N914
SYMBOL npn 6320 4256 M0
SYMATTR InstName Q19
SYMATTR Value 2N3904
SYMBOL schottky 4720 5440 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D16
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp 10704 3568 R180
SYMATTR InstName Q14
SYMATTR Value 2N3906
SYMBOL schottky 4752 3696 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D8
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 10272 3808 M0
SYMATTR InstName R70
SYMATTR Value 1k
SYMBOL diode 3616 6032 R0
SYMATTR InstName D15
SYMATTR Value 1N914
SYMBOL res 1216 5056 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 1m
SYMBOL npn 9792 3744 R0
SYMATTR InstName Q11
SYMATTR Value 2N3904
SYMBOL res 2752 3552 R0
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL res 8000 3792 M0
SYMATTR InstName R73
SYMATTR Value 1k
SYMBOL res 2192 5920 R0
SYMATTR InstName R30
SYMATTR Value 1m
SYMBOL res 3616 5728 R0
SYMATTR InstName R45
SYMATTR Value 20
SYMBOL res 4096 3376 R0
SYMATTR InstName R20
SYMATTR Value 500
SYMBOL npn 4048 3744 R0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL npn 6352 3296 R0
SYMATTR InstName Q17
SYMATTR Value 2N3904
SYMBOL res 9840 4176 R0
SYMATTR InstName R51
SYMATTR Value 1m
SYMBOL res 6784 3216 M0
SYMATTR InstName R65
SYMATTR Value 2k
SYMBOL res 2192 5120 R0
SYMATTR InstName R34
SYMATTR Value 500
SYMBOL res 2224 3376 R0
SYMATTR InstName R21
SYMATTR Value 500
SYMBOL res 1056 1360 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R109
SYMATTR Value 1m
SYMBOL res 4448 3808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R25
SYMATTR Value 200
SYMBOL res 2256 2784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 1m
SYMBOL res 2672 5328 R0
SYMATTR InstName R40
SYMATTR Value 20
SYMBOL res 3120 5920 R0
SYMATTR InstName R39
SYMATTR Value 500
SYMBOL res 2256 2624 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R26
SYMATTR Value 1m
SYMBOL res 9264 3808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R52
SYMATTR Value 100
SYMBOL voltage -368 1680 R0
WINDOW 123 -77 30 VRight 2
WINDOW 39 0 0 Left 0
WINDOW 0 -51 28 VRight 2
WINDOW 3 46 -379 VRight 2
SYMATTR Value2 AC {VH}
SYMATTR InstName V_BIT5
SYMATTR Value PULSE(0 {VH-VL} 0 {rise} {rise} {1/freq/2-rise} {1/freq} {256*reps})
SYMBOL res 8672 3984 M0
SYMATTR InstName R60
SYMATTR Value 20
SYMBOL res 4624 3552 R0
SYMATTR InstName R27
SYMATTR Value 1k
SYMBOL res 5024 3376 R0
SYMATTR InstName R28
SYMATTR Value 500
SYMBOL res 3120 5120 R0
SYMATTR InstName R36
SYMATTR Value 1m
SYMBOL voltage -800 1664 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC
SYMATTR Value {VCC}
SYMBOL res 1248 3312 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 1m
SYMBOL npn 4976 3744 R0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL voltage 128 3568 R180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC_NEG
SYMATTR Value 12
SYMBOL diode 16 3536 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 2704 5216 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D13
SYMATTR Value 1N914
SYMBOL diode 4576 4288 R0
SYMATTR InstName D9
SYMATTR Value 1N914
SYMBOL res 1744 5728 R0
SYMATTR InstName R35
SYMATTR Value 20
SYMBOL res -16 3136 R0
SYMATTR InstName R171
SYMATTR Value 15
SYMBOL diode 9392 4288 R0
SYMATTR InstName D19
SYMATTR Value 1N914
SYMBOL res 6240 4096 R0
SYMATTR InstName R69
SYMATTR Value 10k
SYMBOL Digital\\dflop 1504 1568 R0
SYMATTR SpiceLine Vhigh={VH-VL}
SYMATTR InstName A16
SYMBOL res 9392 3984 R0
SYMATTR InstName R55
SYMATTR Value 20
SYMBOL res 8224 4176 M0
SYMATTR InstName R56
SYMATTR Value 1m
SYMBOL res 1776 3984 R0
SYMATTR InstName R7
SYMATTR Value 20
SYMBOL res 6912 3808 M0
SYMATTR InstName R72
SYMATTR Value 2k
SYMBOL npn 2144 5488 R0
SYMATTR InstName Q6
SYMATTR Value 2N3904
SYMBOL diode 8672 4288 M0
SYMATTR InstName D21
SYMATTR Value 1N914
SYMBOL res 3152 3376 R0
SYMATTR InstName R15
SYMATTR Value 500
SYMBOL Digital\\dflop 704 1568 R0
SYMATTR SpiceLine Vhigh={VH-VL}
SYMATTR InstName A14
SYMBOL res 192 2592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 220
SYMBOL res 9840 3216 R0
SYMATTR InstName R54
SYMATTR Value 500
SYMBOL res 4096 4176 R0
SYMATTR InstName R17
SYMATTR Value 1m
SYMBOL res 2256 2704 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 1m
SYMBOL res 4592 5296 R0
SYMATTR InstName R48
SYMATTR Value 1k
SYMBOL res 3664 5296 R0
SYMATTR InstName R43
SYMATTR Value 1k
SYMBOL Digital\\dflop -96 1568 R0
SYMATTR SpiceLine Vhigh={VH-VL}
SYMATTR InstName A11
SYMBOL res -224 2336 R0
SYMATTR InstName R168
SYMATTR Value 810
SYMBOL npn 8048 3488 M0
SYMATTR InstName Q21
SYMATTR Value 2N3904
SYMBOL res 8624 3552 M0
SYMATTR InstName R58
SYMATTR Value 1k
SYMBOL res 2576 3808 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 200
SYMBOL Digital\\dflop 304 1568 R0
SYMATTR SpiceLine Vhigh={VH-VL}
SYMATTR InstName A13
SYMBOL npn -64 2448 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL voltage 672 2912 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC_12
SYMATTR Value 30
SYMBOL diode 4544 6032 R0
SYMATTR InstName D17
SYMATTR Value 1N914
SYMBOL res 4992 5120 R0
SYMATTR InstName R49
SYMATTR Value 500
SYMBOL Digital\\dflop 1104 1568 R0
SYMATTR SpiceLine Vhigh={VH-VL}
SYMATTR InstName A15
SYMBOL res 6336 3360 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R62
SYMATTR Value 100
FLAG -800 1776 0
FLAG -800 1648 VCC
FLAG -400 3632 0
FLAG -272 1664 A_IN
FLAG 128 1664 B_IN
FLAG 480 1664 C_IN
FLAG 752 1504 _ADD_EN
FLAG 1328 1664 _AND_EN
FLAG 1744 1664 _OR_EN
FLAG 1120 1376 COUT_0
FLAG 1584 1344 COUT_1
FLAG 80 1584 _B_IN
FLAG 2432 2608 EN
FLAG 2432 2688 _D
FLAG 2432 2768 D
FLAG 2176 2608 A_IN
FLAG 2176 2688 _B_IN
FLAG 2176 2768 B_IN
FLAG 256 2608 _O1
FLAG -544 2752 I1
FLAG 1680 4672 0
FLAG 2320 3536 O1
FLAG 1552 3792 IN
FLAG 3264 3536 O2
FLAG 5120 3536 O4
FLAG 4192 3536 O3
FLAG 1648 6416 0
FLAG 2288 5280 S1
FLAG 1520 5536 IN
FLAG 3248 5712 S2
FLAG 5088 5280 S4
FLAG 4160 5280 S3
FLAG 2464 5536 IN
FLAG 8128 3536 O
FLAG 384 1504 _C_IN
FLAG 6144 3520 _B_IN
FLAG 11104 3520 B_IN
FLAG 6144 3344 C_IN
FLAG 8992 4672 0
FLAG 1040 3328 VCC
FLAG 6192 3168 VCC
FLAG 11072 3344 C_IN
FLAG 9936 3536 _O
FLAG -48 1904 0
FLAG 6656 3344 _OO
FLAG 6336 4080 VCC
TEXT -832 1968 Left 2 ;.tran {2*reps/freq}
TEXT -832 2024 Left 2 ;.ac oct 100 1k 100mega
TEXT -1112 1624 Left 2 !.param VCC=5
TEXT -1112 1656 Left 2 !.param freq=20mega
TEXT -1112 1688 Left 2 !.param rise=1n
TEXT -1112 1720 Left 2 !.param reps=1
TEXT -1112 1752 Left 2 !.param Rb=200
TEXT -1112 1456 Left 2 ;Rb controls gate delay (rise and fall edge) as well as gate power consumption.\n \nRb=100 --> 4/5ns gate delay; 35mA gate power\nRb=200 --> 6/8ns gate delay; 20mA gate power
TEXT -776 2168 Left 2 ;This is the original cascode video amplifier I had for the MAC project
TEXT 1464 4736 Left 2 ;.dc V_IN1 0 5 0.01
TEXT 1464 4672 Left 2 !.tran 500n
TEXT 1016 4688 Left 2 !.step temp -25 125 25
TEXT 1056 4768 Left 2 !;.step param VH 1 2.5 0.1
TEXT -1120 1792 Left 2 !.param VH=1.5
TEXT -1120 1824 Left 2 !.param VL=0.0