I want to make Multifunction Calibrator for my personal use.
Specification for Calibrator (Measure and Generate both) :-
1) mili Volt Range :- 0 to 100 mv
2) mili Amp Range :- 0 to 24 mA
3) Volt Range :- 0 to 30VDC
4) RTD Sensor
5) Thermocouple Sensor
Calibrator will operate with 4.7V battery.
Looking for Analog Section Schematic, ADC schematic.
If any one can help out in any small part also wellcome.