Version 4 SHEET 1 2020 680 WIRE 896 -432 832 -432 WIRE 960 -432 896 -432 WIRE 1744 -432 1568 -432 WIRE 1824 -432 1744 -432 WIRE 1744 -384 1744 -432 WIRE 1568 -320 1568 -432 WIRE 896 -288 896 -432 WIRE 1520 -272 1504 -272 WIRE 1744 -256 1744 -304 WIRE 1744 -256 1616 -256 WIRE 1824 -256 1744 -256 WIRE 848 -240 720 -240 WIRE 1520 -240 1392 -240 WIRE 720 -192 720 -240 WIRE 1392 -192 1392 -240 WIRE 864 -160 864 -192 WIRE 896 -160 864 -160 WIRE 1072 -160 896 -160 WIRE 1120 -160 1072 -160 WIRE 1504 -160 1504 -272 WIRE 1536 -160 1536 -192 WIRE 1536 -160 1504 -160 WIRE 1568 -160 1536 -160 WIRE 1744 -160 1568 -160 WIRE 1792 -160 1744 -160 WIRE 1824 -160 1792 -160 WIRE 896 -112 896 -160 WIRE 1072 -112 1072 -160 WIRE 1568 -112 1568 -160 WIRE 1744 -112 1744 -160 WIRE 1120 -64 1120 -160 WIRE 1136 -64 1120 -64 WIRE 1232 -64 1200 -64 WIRE 1280 -64 1232 -64 WIRE 1792 -64 1792 -160 WIRE 1808 -64 1792 -64 WIRE 1888 -64 1872 -64 WIRE 1952 -64 1888 -64 WIRE 720 0 720 -112 WIRE 752 0 720 0 WIRE 880 0 832 0 WIRE 1392 0 1392 -112 WIRE 1424 0 1392 0 WIRE 1552 0 1504 0 WIRE 896 16 896 -32 WIRE 1072 16 1072 -32 WIRE 1232 16 1232 -64 WIRE 1568 16 1568 -32 WIRE 1744 16 1744 -32 WIRE 1888 16 1888 -64 WIRE 720 112 720 0 WIRE 752 112 720 112 WIRE 896 112 896 96 WIRE 896 112 816 112 WIRE 1392 112 1392 0 WIRE 1424 112 1392 112 WIRE 1568 112 1568 96 WIRE 1568 112 1488 112 WIRE 896 160 896 112 WIRE 1568 160 1568 112 WIRE 800 208 720 208 WIRE 848 208 800 208 WIRE 1472 208 1392 208 WIRE 1520 208 1472 208 WIRE 800 272 800 208 WIRE 1472 272 1472 208 WIRE 864 288 864 256 WIRE 896 288 864 288 WIRE 1536 288 1536 256 WIRE 1568 288 1536 288 WIRE 896 304 896 288 WIRE 1568 304 1568 288 WIRE 800 400 800 352 WIRE 800 400 720 400 WIRE 896 400 896 384 WIRE 896 400 800 400 WIRE 1072 400 1072 96 WIRE 1072 400 896 400 WIRE 1232 400 1232 96 WIRE 1232 400 1072 400 WIRE 1472 400 1472 352 WIRE 1472 400 1392 400 WIRE 1568 400 1568 384 WIRE 1568 400 1472 400 WIRE 1744 400 1744 96 WIRE 1744 400 1568 400 WIRE 1888 400 1888 96 WIRE 1888 400 1744 400 WIRE 720 432 720 400 WIRE 1392 432 1392 400 FLAG 1392 432 0 FLAG 720 432 0 FLAG 896 -432 B+ FLAG 1568 -432 B+ SYMBOL res 1552 288 R0 WINDOW 0 -47 68 Left 2 WINDOW 3 -48 40 Invisible 2 SYMATTR InstName Rk1 SYMATTR Value 165 SYMBOL res 1520 -16 R90 WINDOW 0 -5 90 VBottom 2 WINDOW 3 37 75 Invisible 2 SYMATTR InstName Rg SYMATTR Value 468K SYMBOL cap 1488 96 R90 WINDOW 0 -2 32 Invisible 2 WINDOW 3 32 32 Invisible 2 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL res 1552 -128 R0 WINDOW 0 -51 48 Left 2 WINDOW 3 40 50 Invisible 2 SYMATTR InstName Rp2 SYMATTR Value 16040 SYMBOL Misc\\pentode 1568 -256 R0 WINDOW 0 593 -349 Invisible 2 WINDOW 3 -102 -64 Invisible 2 SYMATTR InstName U1b SYMATTR Value 6U8 SYMBOL Misc\\triode 1568 208 R0 WINDOW 0 646 -776 Invisible 2 WINDOW 3 -68 -65 Invisible 2 SYMATTR InstName U1a SYMATTR Value 6U8 SYMBOL res 1728 -400 R0 WINDOW 0 -39 57 Left 2 WINDOW 3 -67 62 Invisible 2 SYMATTR InstName Rs SYMATTR Value 49.7K SYMBOL cap 1936 -288 R0 WINDOW 0 38 31 Invisible 2 WINDOW 3 35 58 Invisible 2 SYMATTR InstName C1 SYMATTR Value 22µ SYMBOL res 1728 -128 R0 WINDOW 0 -75 52 Left 2 WINDOW 3 -52 63 Invisible 2 SYMATTR InstName Rasy2 SYMATTR Value 1179 SYMBOL res 1728 0 R0 WINDOW 0 -74 53 Left 2 WINDOW 3 -64 42 Invisible 2 SYMATTR InstName Rasy1 SYMATTR Value 81.4K SYMBOL cap 1872 -80 R90 WINDOW 0 -9 31 Invisible 2 WINDOW 3 32 32 Invisible 2 SYMATTR InstName C2 SYMATTR Value 22µ SYMBOL res 1376 -208 R0 WINDOW 0 39 58 Invisible 2 WINDOW 3 38 76 Invisible 2 SYMATTR InstName Rg2 SYMATTR Value 1K SYMBOL res 1552 0 R0 WINDOW 0 -49 49 Left 2 WINDOW 3 40 50 Invisible 2 SYMATTR InstName Rp1 SYMATTR Value 16040 SYMBOL res 880 288 R0 WINDOW 0 -47 68 Left 2 WINDOW 3 -48 40 Invisible 2 SYMATTR InstName Rk1 SYMATTR Value 165 SYMBOL res 848 -16 R90 WINDOW 0 -5 86 VBottom 2 WINDOW 3 37 75 Invisible 2 SYMATTR InstName Rg SYMATTR Value 468K SYMBOL cap 816 96 R90 WINDOW 0 2 55 Invisible 2 WINDOW 3 32 32 Invisible 2 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL res 880 -128 R0 WINDOW 0 -49 53 Left 2 WINDOW 3 40 50 Invisible 2 SYMATTR InstName Rp2 SYMATTR Value 16040 SYMBOL Misc\\triode 896 208 R0 WINDOW 0 646 -776 Invisible 2 WINDOW 3 -68 -65 Invisible 2 SYMATTR InstName U2 SYMATTR Value 6U8 SYMBOL res 1056 -128 R0 WINDOW 0 -72 50 Left 2 WINDOW 3 -52 63 Invisible 2 SYMATTR InstName Rasy2 SYMATTR Value 1179 SYMBOL res 1056 0 R0 WINDOW 0 -74 52 Left 2 WINDOW 3 -64 42 Invisible 2 SYMATTR InstName Rasy1 SYMATTR Value 81.4K SYMBOL res 704 -208 R0 WINDOW 0 39 58 Invisible 2 WINDOW 3 38 76 Invisible 2 SYMATTR InstName Rg3 SYMATTR Value 1K SYMBOL res 880 0 R0 WINDOW 0 -47 54 Left 2 WINDOW 3 40 50 Invisible 2 SYMATTR InstName Rp1 SYMATTR Value 16040 SYMBOL Misc\\triode 896 -240 R0 WINDOW 0 646 -776 Invisible 2 WINDOW 3 -68 -65 Invisible 2 SYMATTR InstName U1 SYMATTR Value 6U8 SYMBOL cap 1200 -80 R90 WINDOW 0 -9 31 Invisible 2 WINDOW 3 32 32 Invisible 2 SYMATTR InstName C5 SYMATTR Value 22µ SYMBOL res 1216 0 R0 WINDOW 0 -37 52 Left 2 WINDOW 3 -64 42 Invisible 2 SYMATTR InstName RL SYMATTR Value 81.4K SYMBOL res 1872 0 R0 WINDOW 0 -36 50 Left 2 WINDOW 3 -64 42 Invisible 2 SYMATTR InstName RL SYMATTR Value 81.4K SYMBOL res 784 256 R0 WINDOW 0 36 40 Invisible 2 WINDOW 3 36 76 Invisible 2 SYMATTR InstName R1 SYMBOL res 1456 256 R0 WINDOW 0 36 40 Invisible 2 WINDOW 3 36 76 Invisible 2 SYMATTR InstName R2 TEXT 1960 -280 Left 2 ;+ TEXT 1816 -80 Left 2 ;+ TEXT 1776 -336 Left 2 ;triode mode TEXT 1760 -216 Left 2 ;pentode mode TEXT 1144 -80 Left 2 ;+ TEXT 776 -552 Left 4 ;Mu Follower TEXT 1464 -544 Left 4 ;Mu Stage TEXT 8 -448 Left 3 ;NOTES: TEXT 40 -376 Left 2 ;1. You can employ MS or MF biasing in both\n 'Followers and 'Stages.\n For MF biasing, connect the open side of Rg\n to the junction of Rp1 and Rp2;\n For MS biasing, connect the open side of Rg\n to the junction of Rasy1 and Rasy2.\n \n2. If a resistor such as Rs, Rasy1 or Rp1 is \n replaced with a short in your design,\n enter a small value for it such as .001 ohms.\n \n3. If a resistor such as RL is replaced by an open\n circuit, enter a large value such as 1 x 10^10 ohms.\n \n4. If you capacitively bypass Rk1, enter a \n small value for it such as 1 ohm.\n \n5. The values of resistors and capacitors without\n reference designators are not entered.\n \n6. To enter the values in the LTSpice file,\n right click the .param list to edit it.\n \n7. To enter values in the excel spreadsheet,\n only the light grey shaded cells should be modified.\n The cells with white text and dark shaded background\n are spreadsheet calculations. TEXT 936 160 Left 2 ;Triode TEXT 1616 168 Left 2 ;Triode TEXT 944 -296 Left 2 ;X-ode TEXT 1632 -288 Left 2 ;X-ode TEXT 952 248 Left 2 ;U1 TEXT 1624 248 Left 2 ;U1 TEXT 952 -208 Left 2 ;U2 TEXT 1624 -200 Left 2 ;U2 LINE Normal 1984 -464 1984 -464 LINE Normal 1984 -464 1984 -464 LINE Normal 1856 -160 1952 -224 3 LINE Normal 1856 -256 1952 -288 3 LINE Normal 1856 -256 1856 -256 3 LINE Normal 1856 -432 1952 -288 2 LINE Normal 1856 -256 1952 -224 2 CIRCLE Normal 1984 -464 1984 -464 2 CIRCLE Normal 1984 -464 1984 -464 2 CIRCLE Normal 1984 -464 1984 -464 CIRCLE Normal 1984 -464 1984 -464 CIRCLE Normal 2000 -464 1984 -464 CIRCLE Normal 1984 -464 1984 -464 CIRCLE Normal 1824 -144 1856 -176 CIRCLE Normal 1824 -240 1856 -272 CIRCLE Normal 1824 -416 1856 -448