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measurement conductance cell constant – Circuit Schematic
measurement conductance cell constant
A small transmitter board interfaces to a microcontroller and conductivity probe to measure liquid conductance and conductivity. Precise equations and measureme...
PF Test Equipment – Circuit Schematic
PF Test Equipment
A transformer ratio-arm bridge circuit is used as shown in the simplified diagram of Figure1. The circuit consists of a standard reference capacitor (CS) and th...
Frequency meter circuit – Circuit Schematic
Frequency meter circuit
The input signal it is applied to a gate G and then to a counter, for a precisely period of time After this period of time, the input signal it is stopped for a...
Digital Capacitance Meter with RS232 interface circuit – Circuit Schematic
Digital Capacitance Meter with RS232 interface circuit
Unlike almost all SMD resistors, the SMD ceramic capacitors are not marked with their values. To find the value of these capacitors we need a capacitance meter....
Capacitor meter circuit – Circuit Schematic
Capacitor meter circuit
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powerline voltmeter – Circuit Schematic
powerline voltmeter
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simple cable tester – Circuit Schematic
simple cable tester
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minimalist dip meter – Circuit Schematic
minimalist dip meter
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tachometer pulse divider – Circuit Schematic
tachometer pulse divider
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network wiring tester schematic circuit – Circuit Schematic
network wiring tester schematic circuit
This network wiring tester comprises two elements, a transmitter unit, powered and fitted at the network start point, and a receiver unit, passive, which can be...
current monitor and alarm circuit – Circuit Schematic
current monitor and alarm circuit
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Signal Meter circuit – Circuit Schematic
Signal Meter circuit
THE OP-AMP: The Op-Amp used for the signal meter circuit is a TL061. An LF351 works just as well, however and has the same pin layout. If you have a TL062 or si...
TTL pulse recording for fMRI data collection – Circuit Schematic
TTL pulse recording for fMRI data collection
This web page describes how to install and use my ezlog data logging software. This software allows you to measure when different events happened, allowing you ...
Creating Fast Line Transients – Circuit Schematic
Creating Fast Line Transients
An integrated circuit`s response to fast transients on its input supply is often an important measurement to take. If the device under test (DUT) is a micro-pow...
The MAX1407 Complete Data Acquisition System Simplifies Your System Designs – Circuit Schematic
The MAX1407 Complete Data Acquisition System Simplifies Your System Designs
A design example for a portable data acquisition system is offered that greatly simplifies the circuit design task.....
High-Side Current-Sense Measurement: Circuits and Principles – Circuit Schematic
High-Side Current-Sense Measurement: Circuits and Principles
Article compares high- and low-side amplifiers to measure battery charging currents, recommends selection criteria for current-sense resistors, and describes a ...
Dynamic Testing of High-Speed ADCs Part 2 – Circuit Schematic
Dynamic Testing of High-Speed ADCs Part 2
The following article is a follow-up application note to `Defining and Testing Dynamic Parameters in High-Speed ADCs, Part 1`. It details test conditions and se...
MAX12557 Schematic and Layout Suggestions – Circuit Schematic
MAX12557 Schematic and Layout Suggestions
This application note provides valuable PC board layout, bypassing and decoupling guidelines for customers who are implementing high-speed data converters in th...
Practical Data Acquisition using a Windows based Power Meter – Circuit Schematic
Practical Data Acquisition using a Windows based Power Meter
This application note describes the design of a PC-based, 14-bit data acquisition system. It takes a system approach, includes all the necessary building blocks...
Summing CT Measurements – Circuit Schematic
Summing CT Measurements
This could be achieved by monitoring separate points either through the same recorder, or worse still, two separate recorders. In both cases the results need to...