Simple Millivolt Source for Calibration
2021-06-24
This is a modification of a mV Source that can be whipped up easily. You could use a DPM or Multimeter to read the output. The ability of this circuitRead More
Differential Amplifier – Op-Amp Circuits
2020-12-31
This amplifies the difference between two inputs Vp and Vn the low impedance of this configuration is a drawback, but can be used in analog computing. Optimum VCC VDD canRead More
Current Source for Resistance Measurement
2020-10-22
Here is a current source you can build for resistance measurement. When the current is held constant, you know as per Ohm’s Law the Voltage across Resistor is proportional toRead More
Ammeter and Precision Rectifier
2020-10-22
Studying current measurement is a prerequisite for many of the measuring techniques. The current parameter mainly specifies the power consumption in a circuit, given the value of resistance. It isRead More
Voltmeter Attenuator Rectifier
2020-09-19
Measurement of Voltage : – In testing electronic circuits, Measurement of voltages is important for diagnosing faults and making the circuits work. In circuit diagrams given in equipment manuals, voltagesRead More
Resistance Measurement Analog LED Meter
2020-01-12
This is a LED Analog Meter, This can be used as a Resistance Meter and Low Impedance Voltmeter for Battery Levels. To measure battery voltage, the R5-R12-R17 etc. part ofRead More
Millivolt Source – Field Calibration Current Loop
2019-08-22
This is easy to rig millivolt source for field calibration or troubleshooting of 4-20 mA current loops. Here a Darlington pair is used for current amplification which reduces the IbRead More
Opamp Supply on Buffered Virtual Ground
2019-08-22
When a Inverting Opamp Configuration is at a steady state, we say the Inverting Input is at a Virtual Ground. That means it is at 0V w.r.t to the dualRead More