Version 4
SHEET 1 1784 1324
WIRE 912 -112 848 -112
WIRE 912 -80 880 -80
WIRE 880 -80 880 -48
WIRE 912 16 880 16
WIRE 880 16 880 -16
WIRE 976 -80 1008 -80
WIRE 1008 -80 1008 -48
WIRE 976 48 1008 48
WIRE 1008 48 1008 -16
WIRE 1008 -16 880 -48
WIRE 1008 -48 880 -16
WIRE 912 48 880 48
WIRE 752 80 720 80
WIRE 752 112 720 112
WIRE 720 112 720 144
WIRE 752 208 720 208
WIRE 720 208 720 176
WIRE 816 112 848 112
WIRE 848 112 848 144
WIRE 816 240 848 240
WIRE 848 240 848 176
WIRE 848 176 720 144
WIRE 848 144 720 176
WIRE 752 240 720 240
WIRE 720 80 720 16
WIRE 720 16 880 16
WIRE 848 112 848 32
WIRE 848 32 912 32
WIRE 752 320 720 320
WIRE 752 352 720 352
WIRE 720 352 720 384
WIRE 752 448 720 448
WIRE 720 448 720 416
WIRE 816 352 848 352
WIRE 848 352 848 384
WIRE 816 480 848 480
WIRE 848 480 848 416
WIRE 848 416 720 384
WIRE 848 384 720 416
WIRE 752 480 720 480
WIRE 720 240 720 272
WIRE 720 272 880 272
WIRE 720 320 720 272
WIRE 912 528 880 528
WIRE 912 560 880 560
WIRE 880 560 880 592
WIRE 912 656 880 656
WIRE 880 656 880 624
WIRE 976 560 1008 560
WIRE 1008 560 1008 592
WIRE 976 688 1008 688
WIRE 1008 688 1008 624
WIRE 1008 624 880 592
WIRE 1008 592 880 624
WIRE 912 688 848 688
WIRE 848 480 848 544
WIRE 848 544 912 544
WIRE 880 560 720 560
WIRE 720 560 720 480
WIRE 880 48 880 272
WIRE 880 272 880 384
WIRE 928 272 880 272
WIRE 848 112 1008 112
WIRE 1008 112 1008 160
WIRE 1008 240 992 240
WIRE 992 256 1040 256
WIRE 1040 256 1040 144
WIRE 1040 -80 1008 -80
WIRE 848 480 1008 480
WIRE 1008 480 1008 448
WIRE 1008 288 992 288
WIRE 1008 688 1040 688
WIRE 1040 688 1040 464
WIRE 1040 272 992 272
WIRE 1008 560 1072 560
WIRE 1008 48 1072 48
WIRE 1136 64 1152 64
WIRE 1136 576 1152 576
WIRE 768 688 784 688
WIRE 768 -112 784 -112
WIRE 1040 144 1088 144
WIRE 1040 144 1040 -80
WIRE 1008 160 1088 160
WIRE 1008 160 1008 240
WIRE 1040 464 1088 464
WIRE 1040 464 1040 272
WIRE 1008 448 1088 448
WIRE 1008 448 1008 288
WIRE 1088 176 1072 176
WIRE 1072 176 1072 384
WIRE 1072 432 1088 432
WIRE 1152 144 1168 144
WIRE 1152 432 1168 432
WIRE 928 384 880 384
WIRE 880 384 880 528
WIRE 992 384 1072 384
WIRE 1072 384 1072 432
WIRE 336 -112 336 -144
WIRE 336 -144 368 -144
WIRE 1328 208 1328 224
WIRE 1328 416 1328 432
WIRE 1328 128 1328 96
WIRE 1280 448 1264 448
WIRE 1280 144 1264 144
WIRE 1328 304 1328 320
WIRE 1392 320 1328 320
WIRE 1328 320 1328 336
WIRE 1472 320 1488 320
WIRE 1488 336 1488 320
WIRE 112 544 144 544
WIRE 288 576 320 576
WIRE 400 576 384 576
WIRE -64 544 -64 528
WIRE 192 144 192 128
WIRE 192 128 288 128
WIRE 288 128 288 144
WIRE 288 128 336 128
WIRE 288 208 288 224
WIRE 288 224 416 224
WIRE 288 240 288 224
WIRE 416 224 416 240
WIRE 416 224 416 160
WIRE 288 304 288 320
WIRE 192 224 192 240
WIRE 416 64 416 48
WIRE 416 48 544 48
WIRE 544 48 544 64
WIRE 192 128 64 128
WIRE 64 128 64 160
WIRE 64 224 64 240
WIRE 64 128 32 128
WIRE 416 320 416 336
WIRE 496 336 416 336
WIRE 560 336 576 336
WIRE 544 160 544 144
WIRE 1328 16 1328 0
WIRE 1488 416 1488 400
WIRE -112 128 -32 128
WIRE 336 128 368 128
WIRE -112 160 -112 128
WIRE 1488 512 1488 496
FLAG -64 624 0
FLAG 768 -112 fi
FLAG 768 688 fo
FLAG 1152 576 rd
FLAG 1152 64 ru
FLAG 1168 144 ru2
FLAG 1168 432 rd2
FLAG 368 -144 fi
FLAG 336 -32 0
FLAG 1328 512 0
FLAG 1280 192 0
FLAG 1280 496 0
FLAG 1264 144 ru2
FLAG 1264 448 rd2
FLAG 1488 512 0
FLAG 112 544 cv
FLAG 576 336 fo
FLAG 192 240 GND
FLAG 288 320 GND
FLAG 544 160 GND
FLAG 64 240 GND
FLAG 336 128 i
FLAG 416 416 0
FLAG 1328 0 0
FLAG 1488 320 cv
FLAG -112 240 0
SYMBOL voltage -64 528 R0
SYMATTR InstName V3
SYMATTR Value {cv}
SYMBOL Digital\\and 944 -160 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A2
SYMBOL Digital\\and 960 192 M0
WINDOW 3 -19 118 Left 0
SYMATTR Value Td=2n
SYMATTR InstName A3
SYMBOL Digital\\buf 1072 -16 R0
WINDOW 3 8 120 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A4
SYMBOL Digital\\buf 1072 496 R0
WINDOW 3 8 120 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A5
SYMBOL Digital\\inv 784 -176 R0
WINDOW 3 -9 101 Left 0
SYMATTR Value Trise=3n
SYMATTR InstName A6
SYMBOL Digital\\inv 784 624 R0
WINDOW 3 -2 104 Left 0
SYMATTR Value Trise=3n
SYMATTR InstName A7
SYMBOL Digital\\buf1 928 320 R0
WINDOW 3 -19 100 Left 0
SYMATTR Value Td=1n
SYMATTR InstName A8
SYMBOL Digital\\and 1120 96 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A9
SYMBOL Digital\\and 1120 384 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A10
SYMBOL Digital\\and 944 -32 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A11
SYMBOL Digital\\and 784 32 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A12
SYMBOL Digital\\and 784 160 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A13
SYMBOL Digital\\and 784 272 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A14
SYMBOL Digital\\and 784 400 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A15
SYMBOL Digital\\and 944 480 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A16
SYMBOL Digital\\and 944 608 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value Td=4n
SYMATTR InstName A17
SYMBOL voltage 336 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -28 136 Left 0
SYMATTR Value PULSE(0 1 5n 3n 3n 12n {1/f_in})
SYMATTR InstName V2
SYMBOL sw 1328 224 M180
SYMATTR InstName S1
SYMATTR Value rSW
SYMBOL sw 1328 528 M180
SYMATTR InstName S2
SYMATTR Value rSW
SYMBOL res 1344 208 M0
SYMATTR InstName R3
SYMATTR Value 220
SYMBOL res 1344 320 M0
SYMATTR InstName R4
SYMATTR Value 220
SYMBOL res 1488 304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 470
SYMBOL cap 1472 336 R0
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL SpecialFunctions\\modulate 144 544 R0
WINDOW 3 -3 120 Left 0
WINDOW 123 -3 148 Left 0
SYMATTR Value mark={(f_mid + 1.5*f_low)/2.5}
SYMATTR Value2 space={f_low}
SYMATTR InstName A18
SYMBOL Digital\\schmtbuf 320 512 R0
WINDOW 3 -2 98 Left 0
WINDOW 123 -2 123 Left 0
SYMATTR Value Vt=0 Vh=0.05
SYMATTR Value2 Trise=3n
SYMATTR InstName A19
SYMBOL NJF 368 64 R0
SYMATTR InstName J1
SYMATTR Value 2N5484
SYMBOL res 400 224 R0
SYMATTR InstName R1
SYMATTR Value 2.7k
SYMBOL ind 208 240 R180
WINDOW 0 3 79 Right 0
WINDOW 3 1 40 Right 0
SYMATTR InstName L1
SYMATTR Value 2.34u
SYMBOL cap 272 144 R0
SYMATTR InstName C1
SYMATTR Value 27p
SYMBOL cap 272 240 R0
SYMATTR InstName C2
SYMATTR Value 15p
SYMBOL VOLTAGE 544 48 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL diode 32 144 M270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1SV311
SYMBOL res 400 320 R0
SYMATTR InstName R2
SYMATTR Value 560
SYMBOL voltage 1328 112 R180
WINDOW 0 24 104 Left 0
WINDOW 3 24 16 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL diode 48 224 M180
WINDOW 0 24 72 Left 0
WINDOW 3 -2 -52 Left 0
SYMATTR InstName D2
SYMATTR Value MMSD4148
SYMBOL Digital\\inv 496 272 R0
WINDOW 3 -3 101 Left 0
WINDOW 123 -3 129 Left 0
SYMATTR Value Ref=0.2 Trise=3n
SYMATTR Value2 Td=10n
SYMATTR InstName A1
SYMBOL bv -112 144 R0
WINDOW 3 -17 136 Left 0
SYMATTR Value V=V(cv)+2.5
SYMATTR InstName B1
SYMBOL res 1472 400 R0
SYMATTR InstName R6
SYMATTR Value 47
TEXT -144 784 Left 0 !.params Cjo=22.7p m=0.804 Vj=0.6 Fc=0 ; 1SV311\n.model 1SV311 D(Is=2p Cjo={Cjo} m={m} vj={Vj} Fc={Fc} tt=.5u)\n.model rSW SW(Ron=100 Roff=1e8 Vh=-0.45)\n*\n.params f_in=25.3e6 ; output frequency of V2\n.params f_mid=25e6 f_low=23e6 ; for modulator\n.option baudrate={f_in} plotwinsize=0\n.params cv=2.5\n.ic V(cv)=2.5 V(i)=0.1\n.save V(fi) V(fo) V(rd) V(ru) V(cv) V(i)\n* .step param cv list 0 1 2.5 4 5\n* .tran 0 10u 2u {10u/16384} uic\n.tran 0 50u 0u {10u/65536} uic
RECTANGLE Normal 496 720 64 480 2
RECTANGLE Normal 32 688 -128 480 2