test_and_measurement circuits
#test equipment
#measurement
#instrumentation
#sensors
#data acquisition
#signal processing
#calibration
#oscilloscope
#multimeter
#analog circuits
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USB Live Oscilloscope: Digital Input Board
The digital input board features eight distinct digital inputs available on connector JP1. Each input is equipped with separate pull-down resistors (RN1, with a recommended value of 1 MΩ) and a Schmitt-trigger. To prevent damage from improper input voltages, HC14...
Oscilloscope Xminilab-B on the microcontroller Atmel AVR ATXMEGA32A4
The Xminilab-B oscilloscope is based on the Atmel AVR ATXMEGA32A4 microcontroller. It is designed as a debug board by the Gabotronis company, as noted on rlocman.ru.
The Xminilab-B oscilloscope features a compact and efficient design that leverages the capabilities of the...
Basic Multimeter Circuit
A series of shunts and multipliers selected by a switch can be utilized in conjunction with a single basic meter to create a multirange instrument, commonly referred to as a multimeter. This device is capable of measuring voltage, current, and...
The MAX1407 Complete Data Acquisition System Simplifies Your System Designs
A design example for a portable data acquisition system is provided, which significantly simplifies the circuit design task.
The portable data acquisition system is designed to capture, process, and store data from various sensors and input devices. This system typically includes...
Data Acquisition System I
The HI-506 multiplexer functions as an analog input selector, which is controlled by a binary counter to select the appropriate channel. The HA-5330 serves as a high-speed sample and hold circuit. The sample/hold control is connected to the status (STS)...
Oscilloscope Preamp
In many oscilloscopes, the most sensitive range is between 2 to 5 mV, although it is often possible to improve this to 1 to 2 mV by using a variable gain control. To achieve even better sensitivity, the current preamplifier,...
RealView 2.0
RealView is a measurement application, which records and plots measured values from analogue hardware devices in real-time. Several curves can be plotted into a single diagram. Several diagrams can be arranged on one or more pages if necessary. Plot options...
Advances in Measurement & Sensor Tech
This issue features articles on various measurement and sensor-related embedded design projects. Readers are encouraged to attempt similar projects and share their results. Starting on page 14, Petre Tzvetanov Petrov describes a multilevel audible logical probe design. Petrov notes that...
How to Add Auto Turn-Off to a Multimeter
Most multimeters today have an auto turn-off feature built in. There is enough space in a multimeter enclosure, so why not install a simple circuit that...
A multimeter's auto turn-off feature is designed to conserve battery life by shutting down the...