Version 4 SHEET 1 2288 3124 WIRE 80 2944 80 2896 WIRE 80 3072 80 3024 WIRE 80 3104 80 3072 WIRE 96 2576 96 2528 WIRE 96 2704 96 2656 WIRE 96 2736 96 2704 WIRE 112 1840 112 1792 WIRE 112 1968 112 1920 WIRE 112 2000 112 1968 WIRE 112 2208 112 2160 WIRE 112 2336 112 2288 WIRE 112 2368 112 2336 WIRE 352 2896 80 2896 WIRE 352 2944 352 2896 WIRE 352 3072 80 3072 WIRE 352 3072 352 3024 WIRE 368 2528 96 2528 WIRE 368 2576 368 2528 WIRE 368 2704 96 2704 WIRE 368 2704 368 2656 WIRE 384 1792 112 1792 WIRE 384 1840 384 1792 WIRE 384 1968 112 1968 WIRE 384 1968 384 1920 WIRE 384 2160 112 2160 WIRE 384 2208 384 2160 WIRE 384 2336 112 2336 WIRE 384 2336 384 2288 WIRE 496 2992 400 2992 WIRE 512 2624 416 2624 WIRE 528 1888 432 1888 WIRE 528 2256 432 2256 WIRE 704 2576 704 2528 WIRE 704 2704 704 2656 WIRE 704 2736 704 2704 WIRE 704 2944 704 2896 WIRE 704 3072 704 3024 WIRE 704 3104 704 3072 WIRE 720 2208 720 2160 WIRE 720 2336 720 2288 WIRE 720 2368 720 2336 WIRE 736 1840 736 1792 WIRE 736 1968 736 1920 WIRE 736 2000 736 1968 WIRE 976 2528 704 2528 WIRE 976 2576 976 2528 WIRE 976 2704 704 2704 WIRE 976 2704 976 2656 WIRE 976 2896 704 2896 WIRE 976 2944 976 2896 WIRE 976 3072 704 3072 WIRE 976 3072 976 3024 WIRE 992 2160 720 2160 WIRE 992 2208 992 2160 WIRE 992 2336 720 2336 WIRE 992 2336 992 2288 WIRE 1008 1792 736 1792 WIRE 1008 1840 1008 1792 WIRE 1008 1968 736 1968 WIRE 1008 1968 1008 1920 WIRE 1120 2624 1024 2624 WIRE 1120 2992 1024 2992 WIRE 1136 2256 1040 2256 WIRE 1152 1888 1056 1888 FLAG 1152 1888 out0 FLAG 736 2000 GND FLAG 528 1888 lin FLAG 112 2000 GND FLAG 528 2256 pow FLAG 112 2368 GND FLAG 1136 2256 tab FLAG 720 2368 GND FLAG 512 2624 plog FLAG 96 2736 GND FLAG 1120 2624 nlog FLAG 704 2736 GND FLAG 496 2992 piher FLAG 80 3104 GND FLAG 1120 2992 radio FLAG 704 3104 GND SYMBOL VOLTAGE 736 1824 R0 SYMATTR InstName V0 SYMATTR Value 10V SYMBOL VOLTAGE 112 1824 R0 SYMATTR InstName V2 SYMATTR Value 10V SYMBOL potentiometer 992 1824 R0 WINDOW 0 36 11 Left 0 SYMATTR InstName U2 SYMATTR Value Rt=10K set=0.1 SYMBOL VOLTAGE 112 2192 R0 SYMATTR InstName V3 SYMATTR Value 10V SYMBOL VOLTAGE 720 2192 R0 SYMATTR InstName V4 SYMATTR Value 10V SYMBOL VOLTAGE 96 2560 R0 SYMATTR InstName V5 SYMATTR Value 10V SYMBOL VOLTAGE 704 2560 R0 SYMATTR InstName V6 SYMATTR Value 10V SYMBOL VOLTAGE 80 2928 R0 SYMATTR InstName V7 SYMATTR Value 10V SYMBOL VOLTAGE 704 2928 R0 SYMATTR InstName V8 SYMATTR Value 10V SYMBOL potentiometer_standard 368 1824 R0 SYMATTR InstName U1 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine "" SYMATTR SpiceModel PotLin SYMBOL potentiometer_standard 368 2192 R0 SYMATTR InstName U3 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceModel pot_pow SYMBOL potentiometer_standard 976 2192 R0 SYMATTR InstName U4 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine "" SYMATTR SpiceModel pot_tab SYMBOL potentiometer_standard 352 2560 R0 SYMATTR InstName U5 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine Rtap=100 Tap=0.5 SYMATTR SpiceModel pot_plog SYMBOL potentiometer_standard 960 2560 R0 SYMATTR InstName U6 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine Rtap=100 Tap=0.5 SYMATTR SpiceModel pot_nlog SYMBOL potentiometer_standard 336 2928 R0 SYMATTR InstName U7 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine "" SYMATTR SpiceModel pot_piher_plog SYMBOL potentiometer_standard 960 2928 R0 SYMATTR InstName U8 SYMATTR Value Rt=10K set={wip} SYMATTR SpiceLine "" SYMATTR SpiceModel pot_radiohm_plog TEXT -1056 2768 Left 0 !.OP TEXT -1064 1912 Left 0 ;A Collection Of Potentiometers Helmut Sennewald, V1.1\n \nA new symbol "potentiometer_standard.asy" has been generated for all the new potentiometers.\n \nThe file "pote.lib" contains the X-subcircuits of all the potentiometers.\nThere are linear, log. and an arbitrary models. I have included the old linear model "potentiometer" too.\n \n potentiometer & pot : equivalent function to potentiometer_standard, just the old symbol and model\npot_lin : ideal linear resistance dependency\npot_pow : ideal power function resistance dependency\npot_plog : ideal positive logarithm function resistance dependency\npot_nlog : ideal negative logarithm function resistance dependency\npot_tab: arbitrary(table) based resistance dependency\npot_piher_plog : pseudo logarithm function resistance dependency, Piher\npot_radiohm_plog : measured pseudo logarithm fucntion resistance dependency, Radiohm TEXT -1064 1840 Left 0 ;This example runs the simulation for a wiper setting from 0 to 1 in 0.01(1%) steps. TEXT -1064 2808 Left 0 !.STEP LIN PARAM wip 0 1.0 0.01 TEXT 112 1760 Left 0 ;The New Linear Potentiometer TEXT 104 2128 Left 0 ;The Ideal Pos. Power "log" Potentiometer TEXT 696 2128 Left 0 ;The Arbitrary Table Based Potentiometer TEXT -1056 2496 Left 0 ;How to select the model?\nMove the cursor over the potentiometer then click the right mouse button. \nNow the model name and the parameters can be changed. \nThe model file has to be loaded with a .include potentiometer_standard.lib statement. TEXT 728 1760 Left 0 ;The "Old" Linear Potentiometer (potentiometer.asy) TEXT 88 2496 Left 0 ;The Ideal Pos. Logarithm Potentiometer TEXT 696 2496 Left 0 ;The Ideal Neg. Logarithm Potentiometer TEXT 56 2864 Left 0 ;The Arbitrary Table Based Potentiometer TEXT 680 2864 Left 0 ;The Arbitrary Table Based Potentiometer, RADIO100K-PLOG TEXT 1032 1856 Left 0 ;potentiometer TEXT -1064 2360 Left 0 ;The pot_pow, pot_plog and pot_nlog potentiometers need an additional reference value \nto specify the slope of the ratio.\nRtap: resistance at the refrence point\ntap: position of the wiper at resistance Rtap TEXT -1064 2640 Left 0 ;There is a ready to use plot definition file.\n1. Run the simulation\n2. Make the output window the active window. (Click on it.)\n3. PlotSettings->Plot Settings potentiometer_standard_test.plt