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Electronics Schematics - M

Millivolt Meter Circuits

DC Millivolt Meter

An Msp430f11x1 Sigma-delta Type Millivolt Meter - This application report describes a method of implementing a low-cost, 12-bit sigma-delta type A/D converter using the MSP430F11x1 family of 16-bit RISC-like mixed signal processors. The solution described in this report uses the comparator_A peripheral module. For demonstration purposes, the application implements a voltmeter transmitting the result in millivolts using a 9600-baud UART protocol. This report is written for the MSP430F11x1 but CAN be adapted to any MSP430 family member incorporating comparator_A.

Precision Audio Millivoltmeter Circuit - Measures 10mV to 50Volt RMS in eight ranges, Simply connect to your Avo-meter set @ 50uA range


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