Version 4
SHEET 1 2612 820
WIRE 1440 -320 1312 -320
WIRE 1536 -320 1440 -320
WIRE 1760 -320 1616 -320
WIRE 1840 -320 1760 -320
WIRE 1952 -320 1840 -320
WIRE 2096 -320 2032 -320
WIRE 2320 -320 2096 -320
WIRE 1760 -288 1760 -320
WIRE 1760 -288 1728 -288
WIRE 1792 -288 1760 -288
WIRE 2096 -288 2096 -320
WIRE 2096 -288 2064 -288
WIRE 2128 -288 2096 -288
WIRE 1440 -272 1440 -320
WIRE 1792 -272 1792 -288
WIRE 2128 -272 2128 -288
WIRE 1728 -256 1728 -288
WIRE 2064 -256 2064 -288
WIRE 896 -208 544 -208
WIRE 1184 -208 976 -208
WIRE 1312 -208 1312 -320
WIRE 1312 -208 1264 -208
WIRE 544 -176 544 -208
WIRE 896 -176 896 -208
WIRE 976 -176 976 -208
WIRE 1728 -176 1728 -192
WIRE 1760 -176 1728 -176
WIRE 1792 -176 1792 -192
WIRE 1792 -176 1760 -176
WIRE 2064 -176 2064 -192
WIRE 2096 -176 2064 -176
WIRE 2128 -176 2128 -192
WIRE 2128 -176 2096 -176
WIRE 1760 -128 1760 -176
WIRE 2096 -128 2096 -176
WIRE 896 -80 896 -96
WIRE 1312 -80 1312 -208
WIRE 1440 -80 1440 -128
WIRE 1440 -80 1376 -80
WIRE 1536 -80 1440 -80
WIRE 1760 -80 1616 -80
WIRE 1840 -80 1760 -80
WIRE 1952 -80 1840 -80
WIRE 2096 -80 2032 -80
WIRE 2320 -80 2096 -80
WIRE 1760 -48 1760 -80
WIRE 1760 -48 1728 -48
WIRE 1792 -48 1760 -48
WIRE 2096 -48 2096 -80
WIRE 2096 -48 2064 -48
WIRE 2128 -48 2096 -48
WIRE 544 -32 544 -96
WIRE 896 -32 784 -32
WIRE 976 -32 976 -96
WIRE 1792 -32 1792 -48
WIRE 2128 -32 2128 -48
WIRE 784 -16 784 -32
WIRE 896 -16 896 -32
WIRE 1728 -16 1728 -48
WIRE 2064 -16 2064 -48
WIRE 1728 64 1728 48
WIRE 1760 64 1728 64
WIRE 1792 64 1792 48
WIRE 1792 64 1760 64
WIRE 2064 64 2064 48
WIRE 2096 64 2064 64
WIRE 2128 64 2128 48
WIRE 2128 64 2096 64
WIRE 784 112 784 64
WIRE 896 112 896 64
WIRE 976 112 976 48
WIRE 1760 112 1760 64
WIRE 2096 112 2096 64
FLAG 1760 -128 0
FLAG 1760 112 0
FLAG 1440 -272 MP1
FLAG 1440 -128 MP2
FLAG 1840 -320 ZF_a
FLAG 1840 -80 ZF_b
FLAG 2096 -128 0
FLAG 2096 112 0
FLAG 2320 -320 ZF_a2
FLAG 2320 -80 ZF_b2
FLAG 976 112 0
FLAG 896 -80 0
FLAG 896 112 0
FLAG 784 112 0
FLAG 544 -32 0
SYMBOL res 1632 -336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL cap 1712 -256 R0
WINDOW 3 -59 62 Left 2
SYMATTR Value 500pF
SYMATTR InstName C1
SYMBOL ind 1776 -288 R0
SYMATTR InstName L1
SYMATTR Value 244.8µ
SYMBOL cap 1712 -16 R0
WINDOW 3 -59 62 Left 2
SYMATTR Value 500pF
SYMATTR InstName C3
SYMBOL ind 1776 -48 R0
SYMATTR InstName L3
SYMATTR Value 244.8µ
SYMBOL res 1632 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL voltage 784 -32 R0
WINDOW 3 -81 99 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 -81 127 Left 2
WINDOW 0 -69 14 Left 2
SYMATTR Value SINE(0 8 1455k)
SYMATTR SpiceLine Rser=50
SYMATTR InstName LO
SYMBOL res 1280 -224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL cap 2048 -256 R0
WINDOW 3 -59 62 Left 2
SYMATTR Value 500pF
SYMATTR InstName C2
SYMBOL ind 2112 -288 R0
SYMATTR InstName L2
SYMATTR Value 244.8µ
SYMBOL cap 2048 -16 R0
WINDOW 3 -59 62 Left 2
SYMATTR Value 500pF
SYMATTR InstName C4
SYMBOL ind 2112 -48 R0
SYMATTR InstName L4
SYMATTR Value 244.8µ
SYMBOL res 2048 -336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 2048 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL ind2 960 -192 R0
SYMATTR InstName L6
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 960 -48 R0
SYMATTR InstName L8
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 880 -192 R0
SYMATTR InstName L5
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 880 -32 R0
SYMATTR InstName L7
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL diode 1312 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL voltage 544 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 1000k)
SYMATTR SpiceLine Rser=50
TEXT 1168 72 Left 2 !.tran 0.3m
TEXT 984 -256 Left 2 ;Addition
TEXT 1792 -160 Left 2 ;455 kHz
TEXT 1304 -416 Left 2 ;Superhet
TEXT 1792 80 Left 2 ;455 kHz
TEXT 2128 -160 Left 2 ;455 kHz
TEXT 2128 80 Left 2 ;455 kHz
TEXT 448 -208 Left 2 ;Sender
TEXT 1168 0 Left 2 !k1 L5 L6 1
TEXT 1168 32 Left 2 !k2 L7 L8 1
LINE Normal 1936 -400 1936 -400 2
RECTANGLE Normal 720 96 928 -48 2
RECTANGLE Normal 432 -48 640 -192 2
RECTANGLE Normal 944 96 1120 -240 2
RECTANGLE Normal 2496 -384 672 144 2