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A digital multimeter is a versatile test and measurement tool that can measure many types of signals. To learn more about how to measure voltage, current, 2-wire resistance, 4-wire resistance, capacitance, temperature, diode, and oscillating signal frequencies, as well as how to check for conductivity, visit our blog by clicking the link below.
There are several ways to test a DC power supply, here we only introduce a few common methods. Conductivity test: You can use the multimeter's conductivity mode to accomplish this test. Touch the positive and negative terminals of the power supply with the multimeter pen. If it is on, the multimeter will beep. This test is designed to determine if the power supply is delivering power and if there are any breaks in the wiring. Voltage...
View Full VersionNetwork analyzers are key instruments used to measure the performance of RF and microwave devices, and their types can be categorized according to different criteria as follows: The selection of network analyzers needs to be based on the measurement needs (e.g., frequency range, accuracy, portability) and application scenarios (R&D...
View Full VersionTo connect two DC power supplies in series, connect the positive terminal of the first power supply to the negative terminal of the second power supply to form a "daisy-chain" connection, where the series voltage is the sum of the voltages of the two power supplies. To connect two DC power supplies in series, proceed as follows: Note that the voltage of the load should be equal to or higher than the sum of the voltages of the two power supplies to prevent damage to the load or power supply. In addition, the load's rated...
View Full VersionUsing an arbitrary waveform generator, test engineers can verify the design of a circuit in just a few steps: (1) activate the output control; (2) select the waveform to be generated; (3) connect the output to the device under test; and (4) verify the performance of the device under test using an oscilloscope. The following is an example of the design of the output control circuit.
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