kicad/pcb_calculator/eserie_help.h

// Do not edit this file, it is autogenerated by CMake from the .md file
_HKI( "E-series defined in IEC 60063 are a widely accepted system of preferred\n"
"numbers for electronic components.  Available values are approximately\n"
"equally spaced in a logarithmic scale.  Although E-series are used for\n"
"Zener diodes, inductors and other components, this calculator is mainly\n"
"intended for resistors.\n"
"\n"
"	E12: 1,0 1,2 1,5 1,8 2,2 2,7 3,3 3,9 4,7 5,6 6,8 8,2\n"
"	E6:  1,0  -  1,5  -  2,2  -  3,3  -  4,7  -  6,8  -\n"
"	E3:  1,0  -   -   -  2,2  -   -   -  4,7  -   -   -\n"
"	E1:  1,0  -   -   -   -   -   -   -   -   -   -   -\n"
"If your design requires any resistor value which is not readily available,\n"
"this calculator will find a combination of standard E-series components to\n"
"create it.  You can enter the required resistance from 0,0025 to 4000 kOhm. \n"
"Solutions using 3 or 4 resistors are given if a better match can be found. \n"
"The 4R checkbox option will take longer to process is considered for the E12\n"
"series only.  Optionally it is possible to exclude up to two additional\n"
"values from the solution for the reason of being not available.  If a\n"
"E-series value is entered to the required input field, it is always excluded\n"
"from any solution as it is assumed that this value is unavailable.\n"
"\n"
"Solutions are given in the following formats:\n"
"\n"
"	R1 + R2 +...+ Rn	resistors in series\n"
"	R1 | R2 |...| Rn	resistors in parallel\n"
"	R1 + (R2|R3)...		any combination of the above\n"
"__Example:__ Voltage dividers, commonly used for 1:10 range selection\n"
"require resistor ratio values 1:9.  Unfortunately the \"9\" is a value, what\n"
"is not even in the E192 series available.  Deviation of 1% and more is yet\n"
"unacceptable for 8 bit accuracy.  For a required resistor value of 9 kOhm,\n"
"the calculator suggests the E6 values 2k2 + 6k8 in series as a possible\n"
"exact solution.\n"
"" );