Electronics Manufacturing

Zero Span transforms a Spectrum Analyzer from a tool for observing power levels across frequencies into a tool for monitoring power levels over time at a specific frequency.

Một đỉnh bất thường xuất hiện trên màn hình Máy phân tích phổ chưa thể xác định ngay nguồn nhiễu nằm ở đâu. Đỉnh này có thể xuất phát từ nguồn điện, mạch số tốc độ cao, bộ nguồn chuyển mạch, thiết bị vô tuyến hoặc một nguồn phát xạ nằm gần hệ thống.

When testing a radio system, a low-level signal on a Spectrum Analyzer does not necessarily mean that the transmitter is weak. The power level measured at the analyzer input depends on many factors along the entire signal path, including cables, connectors, filters, splitters, amplifiers, antennas, and the transmission environment.

Before contacting the material, a handheld soldering iron mainly heats the soldering tip. Once soldering begins, heat is continuously transferred from the tip to the material. If the heat supply is not sufficient to compensate for heat loss, the temperature at the contact area drops and the processing time increases

In the semiconductor testing and measurement sector—where every nanosecond and microvolt can determine the success or failure of a chip design—choosing the right test equipment has never been simply a matter of comparing specifications on paper.

A 100W soldering iron can deliver more heating power than a 40W model, but that does not necessarily mean it will solder faster in every situation. Soldering speed depends on the amount of heat that needs to be transferred to the workpiece and the tip's ability to maintain its temperature when it comes into contact with a thermal load.

Worn bearings do not cause an immediate drop in the engine's average speed. What changes first is speed stability slight fluctuations in speed occur from one rotation to the next even though a standard tachometer continues to display a seemingly normal RPM reading. This is precisely what many people overlook. While the average figure looks fine, detecting instantaneous fluctuations reveals that the bearings had actually begun to develop play quite some time earlier

High-voltage generators are used to produce controlled test voltages for evaluating the dielectric strength of insulation and electrical equipment. Depending on the voltage level, waveform, and test method, these devices can be used in laboratories, manufacturing plants, power substations, or for post-installation testing.

A DC resistance tester applies a controlled DC current and measures the resulting voltage to determine resistance. Proper wiring, discharge handling, and current selection support a stable measurement process.

Noise can reduce detection sensitivity or generate signals that may be mistaken for discharges occurring within the test specimen. This article examines common noise sources, noise coupling paths, and key considerations when evaluating partial discharge test results.