Version 4 SHEET 1 1368 1008 WIRE -368 64 -368 48 WIRE -368 160 -368 144 WIRE -368 176 -368 160 WIRE -368 272 -368 256 WIRE -352 48 -368 48 WIRE -352 160 -368 160 WIRE -352 272 -368 272 WIRE -192 192 -240 192 WIRE -144 -176 -144 -192 WIRE -144 -80 -144 -96 WIRE -144 32 -144 -80 WIRE -144 128 -144 96 WIRE -144 240 -144 224 WIRE -144 336 -144 240 WIRE -144 432 -144 416 WIRE -112 112 -240 112 WIRE -112 192 -112 112 WIRE -80 432 -144 432 WIRE -80 448 -80 432 WIRE -80 544 -80 528 WIRE -64 192 -112 192 WIRE -16 -176 -16 -192 WIRE -16 0 -16 -96 WIRE -16 32 -16 0 WIRE -16 128 -16 96 WIRE -16 320 -16 224 WIRE -16 336 -16 320 WIRE -16 432 -80 432 WIRE -16 432 -16 416 WIRE 16 -80 -144 -80 WIRE 16 0 -16 0 WIRE 32 240 -144 240 WIRE 32 320 -16 320 WIRE 64 64 64 -16 WIRE 64 80 64 64 WIRE 64 176 64 160 WIRE 128 240 112 240 WIRE 128 320 112 320 WIRE 144 -80 112 -80 WIRE 144 0 112 0 WIRE 352 208 352 160 WIRE 352 320 352 288 WIRE 352 384 352 320 WIRE 352 416 352 384 WIRE 352 528 352 512 WIRE 352 624 352 608 WIRE 368 384 352 384 WIRE 464 384 448 384 WIRE 464 464 416 464 WIRE 464 464 464 384 WIRE 464 528 464 464 WIRE 464 624 352 624 WIRE 464 624 464 608 WIRE 480 384 464 384 WIRE 512 464 464 464 WIRE 576 208 576 160 WIRE 576 352 576 288 WIRE 576 384 560 384 WIRE 576 384 576 352 WIRE 576 416 576 384 WIRE 576 528 576 512 WIRE 576 624 464 624 WIRE 576 624 576 608 WIRE 640 -224 640 -240 WIRE 640 -128 640 -160 WIRE 640 -112 640 -128 WIRE 640 -16 640 -32 WIRE 640 352 576 352 WIRE 640 512 640 352 WIRE 672 -16 640 -16 WIRE 672 320 352 320 WIRE 672 464 672 320 WIRE 720 -224 720 -240 WIRE 720 -128 640 -128 WIRE 720 -128 720 -144 WIRE 720 -64 720 -128 WIRE 752 -128 720 -128 WIRE 752 112 752 48 WIRE 752 288 752 112 WIRE 752 624 576 624 WIRE 752 624 752 384 WIRE 784 0 768 0 WIRE 784 112 752 112 WIRE 784 464 672 464 WIRE 832 208 832 192 WIRE 832 304 800 304 WIRE 832 304 832 288 WIRE 832 384 832 304 WIRE 864 624 752 624 WIRE 880 0 864 0 WIRE 912 0 880 0 WIRE 912 16 912 0 WIRE 912 112 864 112 WIRE 912 112 912 96 WIRE 912 480 832 480 WIRE 912 528 912 480 WIRE 912 624 864 624 WIRE 912 624 912 608 WIRE 960 0 912 0 WIRE 960 112 912 112 WIRE 992 208 992 192 WIRE 992 304 992 288 WIRE 992 384 992 304 WIRE 992 480 912 480 WIRE 1024 304 992 304 WIRE 1040 512 640 512 WIRE 1040 512 1040 464 WIRE 1056 0 1040 0 WIRE 1072 112 1040 112 WIRE 1072 112 1072 48 WIRE 1072 288 1072 112 WIRE 1072 624 912 624 WIRE 1072 624 1072 384 WIRE 1104 -224 1104 -240 WIRE 1104 -128 1072 -128 WIRE 1104 -128 1104 -144 WIRE 1104 -64 1104 -128 WIRE 1184 -224 1184 -240 WIRE 1184 -128 1104 -128 WIRE 1184 -128 1184 -160 WIRE 1184 -112 1184 -128 WIRE 1184 -16 1152 -16 WIRE 1184 -16 1184 -32 WIRE 1184 528 1184 512 WIRE 1184 624 1072 624 WIRE 1184 624 1184 608 FLAG -352 160 0 FLAG 64 176 0 FLAG 1184 512 0 FLAG 864 624 -Vb FLAG 752 -128 +Vo IOPIN 752 -128 Out FLAG 128 240 +Vo IOPIN 128 240 In FLAG 128 320 -Vo IOPIN 128 320 In FLAG -240 112 -Vi IOPIN -240 112 In FLAG -352 272 -Vi IOPIN -352 272 Out FLAG -352 48 +Vi IOPIN -352 48 Out FLAG -240 192 +Vi IOPIN -240 192 In FLAG -80 544 0 FLAG -144 -192 0 FLAG -16 -192 0 FLAG 144 -80 A IOPIN 144 -80 Out FLAG 352 160 A IOPIN 352 160 In FLAG 144 0 B IOPIN 144 0 Out FLAG 576 160 B IOPIN 576 160 In FLAG 880 0 -Vb FLAG 720 -240 0 FLAG 832 192 0 FLAG 992 192 0 FLAG 1072 -128 -Vo IOPIN 1072 -128 Out FLAG 1104 -240 0 FLAG 640 -240 0 FLAG 1184 -240 0 SYMBOL njf -192 128 R0 WINDOW 3 44 91 Right 0 WINDOW 0 0 40 Right 0 SYMATTR Value J2SK389BL SYMATTR InstName Q1 SYMBOL njf -64 128 R0 WINDOW 3 44 91 Right 0 WINDOW 0 0 40 Right 0 SYMATTR Value J2SK389BL SYMATTR InstName Q2 SYMBOL voltage -368 48 M0 WINDOW 123 0 0 Left 0 WINDOW 39 40 56 Left 0 WINDOW 0 40 32 Left 0 WINDOW 3 40 80 Left 0 SYMATTR SpiceLine Rser=600 SYMATTR InstName V1 SYMATTR Value SINE(0 {v} {f} SYMBOL voltage -368 160 M0 WINDOW 123 0 0 Left 0 WINDOW 39 40 56 Left 0 WINDOW 0 40 32 Left 0 WINDOW 3 40 80 Left 0 SYMATTR SpiceLine Rser=600 SYMATTR InstName V2 SYMATTR Value SINE(0 {v} {f} SYMBOL res -128 432 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R1 SYMATTR Value 200 SYMBOL res -32 320 R0 SYMATTR InstName R2 SYMATTR Value 200 SYMBOL diode -128 32 M0 WINDOW 0 47 20 Left 0 WINDOW 3 40 45 Left 0 SYMATTR InstName D1 SYMATTR Value 1N914 SYMBOL diode 0 32 M0 WINDOW 0 42 21 Left 0 WINDOW 3 40 44 Left 0 SYMATTR InstName D2 SYMATTR Value 1N914 SYMBOL pnp 112 -16 M270 WINDOW 0 44 0 VLeft 0 WINDOW 3 21 3 VLeft 0 SYMATTR InstName Q3 SYMATTR Value 2N5401 SYMBOL pnp 112 64 M270 WINDOW 0 42 1 VLeft 0 WINDOW 3 23 1 VLeft 0 SYMATTR InstName Q4 SYMATTR Value 2N5401 SYMBOL Misc\\tetrode 720 -16 M0 WINDOW 3 0 80 Center 0 SYMATTR InstName U1 SYMATTR Value 6CA7 SYMBOL current -144 -176 M0 WINDOW 0 40 40 Left 0 WINDOW 3 32 16 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value TBL(-15 0 -14 2m2) SYMBOL voltage 64 64 R0 WINDOW 0 39 25 Left 0 WINDOW 3 42 53 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 36 79 Left 0 SYMATTR InstName V3 SYMATTR Value 10 SYMATTR SpiceLine Rser=2k5 SYMBOL current -16 -176 R0 WINDOW 0 40 40 Left 0 WINDOW 3 32 16 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I2 SYMATTR Value TBL(-15 0 -14 2m2) SYMBOL Misc\\tetrode 1104 -16 R0 WINDOW 3 0 80 Center 0 SYMATTR InstName U2 SYMATTR Value 6CA7 SYMBOL res 128 224 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 200k SYMBOL res 128 304 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 200k SYMBOL cap 656 -224 M0 SYMATTR InstName C1 SYMATTR Value 20p SYMBOL cap 1168 -224 R0 SYMATTR InstName C2 SYMATTR Value 20p SYMBOL res 368 304 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R5 SYMATTR Value .50k SYMBOL res 560 192 R0 SYMATTR InstName R6 SYMATTR Value .50k SYMBOL res 352 400 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R7 SYMATTR Value 200k SYMBOL res 464 400 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R8 SYMATTR Value 200k SYMBOL res 368 624 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R9 SYMATTR Value 100 SYMBOL res 448 512 R0 SYMATTR InstName R10 SYMATTR Value 6k8 SYMBOL res 560 512 R0 SYMATTR InstName R11 SYMATTR Value 100 SYMBOL res 656 -16 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R12 SYMATTR Value 470 SYMBOL res 768 16 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R13 SYMATTR Value 100 SYMBOL res 768 128 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R14 SYMATTR Value 10k SYMBOL res 896 512 R0 SYMATTR InstName R15 SYMATTR Value 400 SYMBOL res 944 16 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R16 SYMATTR Value 100 SYMBOL res 944 128 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R17 SYMATTR Value 10k SYMBOL res 1168 -128 R0 SYMATTR InstName R18 SYMATTR Value 470 SYMBOL current -80 448 M0 WINDOW 0 40 24 Left 0 WINDOW 3 40 56 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I3 SYMATTR Value TBL(-15 0 -14 3m6) SYMBOL current 720 -224 R0 WINDOW 0 32 16 Left 0 WINDOW 3 32 64 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I4 SYMATTR Value TBL(-398 0 -397 26m) SYMBOL current 832 208 M0 WINDOW 0 18 0 Left 0 WINDOW 3 80 -40 Right 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I5 SYMATTR Value TBL(300 0 301 11m) SYMBOL current 992 208 R0 WINDOW 0 18 0 Left 0 WINDOW 3 80 -40 Right 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I6 SYMATTR Value TBL(300 0 301 11m) SYMBOL current 1104 -224 M0 WINDOW 0 32 64 Left 0 WINDOW 3 32 16 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I7 SYMATTR Value TBL(-398 0 -397 26m) SYMBOL npn 416 416 M0 WINDOW 0 48 32 Left 0 WINDOW 3 48 64 Left 0 SYMATTR InstName Q5 SYMATTR Value 2N3904 SYMBOL npn 512 416 R0 WINDOW 0 48 32 Left 0 WINDOW 3 48 64 Left 0 SYMATTR InstName Q6 SYMATTR Value 2N3904 SYMBOL voltage 912 112 M180 WINDOW 0 37 71 Left 0 WINDOW 3 36 43 Left 0 WINDOW 123 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 100 SYMATTR SpiceLine Rser=1 Cpar=1n SYMBOL pmos 800 384 R180 WINDOW 3 57 80 Left 0 WINDOW 123 56 52 Left 0 SYMATTR InstName Q7 SYMATTR Value Si9407AEY SYMATTR Value2 m=.10 SYMBOL nmos 784 384 R0 WINDOW 0 56 24 Left 0 WINDOW 3 57 72 Left 0 WINDOW 123 57 48 Left 0 SYMATTR InstName Q8 SYMATTR Value Si9420DY SYMATTR Value2 m=.15 SYMBOL nmos 1040 384 M0 WINDOW 0 56 72 Left 0 WINDOW 3 56 24 Left 0 WINDOW 123 56 48 Left 0 SYMATTR InstName Q9 SYMATTR Value Si9420DY SYMATTR Value2 m=.15 SYMBOL pmos 1024 384 M180 WINDOW 123 56 52 Left 0 SYMATTR InstName Q10 SYMATTR Value Si9407AEY SYMATTR Value2 m=.10 SYMBOL voltage 1184 512 M0 WINDOW 123 0 0 Left 0 WINDOW 39 40 80 Left 0 WINDOW 0 40 32 Left 0 WINDOW 3 40 56 Left 0 SYMATTR SpiceLine Rser=1 SYMATTR InstName V5 SYMATTR Value 400 TEXT -312 -288 Left 0 !.model J2SK389BL NJF (Vto=-2.5 Beta=6m Lambda=1m2\n+ Rd=4.95 Rs=4.45 Is=6f32 Pb=1 Fc=.5 Cgs=71p2 Cgd=18p9) TEXT 216 -288 Left 0 !.subckt 6CA7 A S G K\n* Calculate contribution to cathode current\nBat at 0 V=636m*atan(V(A,K)/23)\nBgs gs 0 V=Uramp(V(S,K)/9.3+V(G,K)*0.95)\nBgs2 gs2 0 V=V(gs)**1.5\nBcath cc 0 V=V(gs2)*V(at)\n* Calculate anode current\nBa A K I=1m86*V(cc)\n* Calculate screen current\nBscrn sc 0 V=V(gs2)*(1.1-V(at))\nBs S K I=1m518*V(sc)\n* Grid current (does not model low Va/Vs)\nBg G K I=(Uramp(V(G,K)+1)**1.5)*50u\n* Capacitances\nCg1 G K 15.4p\nCak A K 8.4p\nCg1a G A 1.1p\n.ends 6CA7 TEXT -464 384 Left 0 !.options plotwinsize=0 TEXT 64 -88 Center 0 ;2SA1156 TEXT 464 336 Center 0 ;2SC2240 TEXT 912 248 Center 0 ;2SA1156 TEXT 912 376 Center 0 ;2SK216 TEXT 912 328 Center 0 ;2SJ79 TEXT 912 -184 Center 0 ;6 x 2SA1968 TEXT -80 -176 Center 0 ;2SA970 TEXT -40 504 Left 0 ;2SC1815 TEXT -464 416 Left 0 !.tran 0 10m 2m 10u TEXT -464 352 Left 0 !.param f=500 v=1m TEXT -464 320 Left 0 !.step param v list 1m 330m TEXT 888 568 Right 0 ;CM BIAS