Version 4.1
SHEET 1 3436 728
WIRE 384 -544 64 -544
WIRE 416 -544 384 -544
WIRE 704 -544 672 -544
WIRE 800 -544 704 -544
WIRE -320 -528 -400 -528
WIRE -224 -528 -320 -528
WIRE -16 -528 -224 -528
WIRE 800 -528 800 -544
WIRE 416 -512 416 -544
WIRE 416 -512 352 -512
WIRE 496 -512 416 -512
WIRE -400 -496 -400 -528
WIRE 64 -496 64 -544
WIRE 352 -480 352 -512
WIRE 496 -480 496 -512
WIRE 1088 -480 912 -480
WIRE 1120 -480 1088 -480
WIRE 1344 -480 1120 -480
WIRE -224 -464 -224 -528
WIRE 912 -448 912 -480
WIRE -16 -432 -16 -528
WIRE 1088 -432 1088 -480
WIRE 800 -416 800 -448
WIRE 800 -416 704 -416
WIRE 64 -400 64 -416
WIRE 192 -400 64 -400
WIRE 496 -400 496 -416
WIRE 672 -400 672 -544
WIRE 672 -400 496 -400
WIRE -400 -384 -400 -416
WIRE 352 -384 352 -416
WIRE 672 -384 352 -384
WIRE 800 -384 800 -416
WIRE 64 -368 64 -400
WIRE -16 -352 -144 -352
WIRE 352 -352 352 -384
WIRE 496 -352 496 -400
WIRE 912 -320 912 -368
WIRE 1088 -320 1088 -352
WIRE 672 -272 672 -384
WIRE 752 -272 672 -272
WIRE 800 -272 800 -304
WIRE 800 -272 752 -272
WIRE -400 -256 -400 -304
WIRE -224 -256 -224 -384
WIRE -224 -256 -400 -256
WIRE -144 -256 -144 -352
WIRE -144 -256 -224 -256
WIRE 352 -240 352 -288
WIRE 416 -240 352 -240
WIRE 496 -240 496 -288
WIRE 496 -240 416 -240
WIRE 64 -224 64 -288
WIRE 304 -224 64 -224
WIRE 416 -224 416 -240
WIRE 416 -224 304 -224
WIRE -144 -208 -144 -256
WIRE 192 -80 192 -400
WIRE 272 -80 192 -80
WIRE 336 -80 272 -80
WIRE 448 -80 416 -80
WIRE 576 -80 528 -80
WIRE 704 -80 704 -416
WIRE 704 -80 576 -80
WIRE 752 -80 704 -80
WIRE 240 -32 160 -32
WIRE 368 -32 240 -32
WIRE 752 -32 752 -80
WIRE 368 32 368 -32
WIRE 400 32 368 32
WIRE 576 32 576 -80
WIRE 576 32 480 32
WIRE 240 64 240 48
WIRE 240 160 240 144
WIRE 1344 208 1344 -480
WIRE 1344 208 -288 208
WIRE -16 368 -160 368
WIRE 48 368 -16 368
WIRE 80 368 48 368
WIRE 96 368 80 368
WIRE 208 368 160 368
WIRE 320 368 288 368
WIRE 432 368 400 368
WIRE 480 368 432 368
WIRE 560 368 480 368
WIRE 576 368 560 368
WIRE 656 368 576 368
WIRE 704 368 656 368
WIRE 720 368 704 368
WIRE 832 368 784 368
WIRE 944 368 912 368
WIRE 1040 368 1024 368
WIRE 1104 368 1040 368
WIRE 1184 368 1104 368
WIRE 1248 368 1184 368
WIRE 1296 368 1248 368
WIRE -160 384 -160 368
WIRE 560 464 560 368
WIRE 1184 464 1184 368
WIRE -160 480 -160 464
WIRE 80 480 80 368
WIRE 192 480 80 480
WIRE 432 480 432 368
WIRE 432 480 256 480
WIRE 704 480 704 368
WIRE 816 480 704 480
WIRE 1040 480 1040 368
WIRE 1040 480 880 480
WIRE 1296 480 1296 368
WIRE -16 496 -16 368
WIRE -288 528 -288 208
WIRE -208 528 -288 528
WIRE 48 576 48 368
WIRE 192 576 48 576
WIRE 480 576 480 368
WIRE 480 576 256 576
WIRE 656 576 656 368
WIRE 832 576 656 576
WIRE 1104 576 1104 368
WIRE 1104 576 896 576
WIRE -160 640 -160 560
WIRE -16 640 -16 560
WIRE -16 640 -160 640
WIRE 176 640 -16 640
WIRE 560 640 560 528
WIRE 560 640 176 640
WIRE 1184 640 1184 528
WIRE 1184 640 560 640
WIRE 1296 640 1296 560
WIRE 1296 640 1184 640
WIRE 176 656 176 640
FLAG 176 656 0
FLAG 1248 368 2_section_out
FLAG 576 368 2_section_int
FLAG -144 -208 0
FLAG -320 -528 Local_oscillator
FLAG 912 -320 0
FLAG 1120 -480 mixer_out_AM_no_carrier
FLAG 752 -32 0
FLAG 240 160 0
FLAG 384 -544 top
FLAG 304 -224 bottom
FLAG 704 -544 right
FLAG 752 -272 left
FLAG 272 -80 t3_1
FLAG 160 -32 audio
FLAG 1088 -320 0
SYMBOL cap -32 496 R0
SYMATTR InstName C5
SYMATTR Value 33pF
SYMBOL cap 544 464 R0
SYMATTR InstName C6
SYMATTR Value 33pF
SYMBOL cap 256 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 6p
SYMBOL cap 160 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 0.02p
SYMBOL ind 304 352 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L2
SYMATTR Value 79.157mH
SYMBOL res 416 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 150R
SYMBOL res -176 368 R0
SYMATTR InstName R6
SYMATTR Value 50R
SYMBOL cap 1168 464 R0
SYMATTR InstName C9
SYMATTR Value 33pF
SYMBOL cap 880 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 6p
SYMBOL cap 784 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 0.02p
SYMBOL ind 928 352 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L3
SYMATTR Value 79.157mH
SYMBOL res 1040 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 150R
SYMBOL res 1280 464 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL cap 256 560 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 4pF
SYMBOL cap 896 560 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value 4pF
SYMBOL diode 480 -480 R0
SYMATTR InstName D1
SYMATTR Value IdealDiode
SYMBOL diode 480 -352 R0
SYMATTR InstName D2
SYMATTR Value IdealDiode
SYMBOL diode 368 -416 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value IdealDiode
SYMBOL diode 368 -288 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value IdealDiode
SYMBOL ind2 -32 -448 R0
SYMATTR InstName L11
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 48 -512 R0
SYMATTR InstName L12
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 48 -384 R0
SYMATTR InstName L13
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL voltage -400 -400 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -72 110 Left 2
SYMATTR Value PULSE(0 5 0 10n 10n 0.12497u 0.24994u)
SYMATTR InstName V1
SYMBOL res -240 -480 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res -416 -512 R0
SYMATTR InstName R2
SYMATTR Value 50R
SYMBOL ind2 784 -544 R0
SYMATTR InstName L21
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 784 -400 R0
SYMATTR InstName L22
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 896 -464 R0
SYMATTR InstName L23
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 544 -96 R90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L17
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 432 -96 R90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L16
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 496 16 R90
WINDOW 0 4 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L18
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL voltage 240 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.1 1khz)
SYMBOL res 224 -48 R0
SYMATTR InstName R3
SYMATTR Value 50R
SYMBOL res 1072 -448 R0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL bv -160 464 R0
WINDOW 3 -167 108 Left 2
SYMATTR Value V=V(mixer_out_AM_no_carrier)
SYMATTR InstName B1
TEXT -1592 -808 Left 4 ;LO osc offset to 4,001Mhz to match 4Mhz crystal\nthis now works with 1khz audio test sig but maybe not well matched to a speech signal\nthe crystal equivalent cct may not be accurate, as motional L and C are assumed values
TEXT 128 296 Left 2 ;crystal equivalent cct
TEXT 728 288 Left 2 ;crystal equivalent cct
TEXT 256 600 Left 2 ;(stray C)
TEXT 888 600 Left 2 ;(stray C)
TEXT -48 -576 Left 2 !K1 L11 L12 L13 1
TEXT 792 -576 Left 2 !K3 L21 L22 L23 1
TEXT 352 -136 Left 2 !K2 L16 L17 L18 1
TEXT -1520 -216 Left 2 ;click on run,\nwait for the graph window to appear,\nclick on "mixer_out_AM_no_carrier" to plot it, \nclick on the graph window, \nthen on plot settings/add plot pane\nclick on "2_section_out" to plot it, \nclick on the graph window, \nclick on the graph window, then on plot view/fft\nclick on "mixer_out_AM_no_carrier" then on OK,\nthe fft window will appear,\nclick on the graph window, then on plot view/fft\nclick on "2_section_out" then on OK,\nanother fft window will appear,\nzoom the FFT windows to the frequencies at about 4Mhz.\nfor "mixer_out_AM_no_carrier" there are 2 1kz sidebands and no carrier\nfor "out_but_bandpass_SSB" one of the sidebands is 25dbs below the other
TEXT -32 -624 Left 2 ;transformer_1
TEXT 808 -624 Left 2 ;transformer_3
TEXT 360 -176 Left 2 ;transformer_2
TEXT -1464 -264 Left 4 ;instructions
TEXT -1376 360 Left 2 !.tran 0 30m 10m 2n
TEXT -1488 328 Left 2 !.model IdealDiode D(Ron=1 Roff=10Meg Vfwd=.4)
TEXT -1584 -880 Left 6 ;SSB source using a Crystal filter
TEXT -1520 424 Left 1 ;You may republish or reuse this circuit implementation and text providing this line and the following lines are included.\nThis circuit implementation designed by Keith Wallbanks. Originally released on analogsimulation.co.uk\nThis circuit is provided as is without warranty of any kind. This text is intended to implement the MIT licence.
RECTANGLE Normal 448 528 64 320 2
RECTANGLE Normal 1056 528 688 320 2
RECTANGLE Normal 128 -192 -96 -608 2
RECTANGLE Normal 992 -240 768 -608 2
RECTANGLE Normal 672 80 304 -160 2