-
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
-
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
-
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
-
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
-
Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
-
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
-
1 Introduction
The Global Navigation and Positioning System (GPS) has been widely used in vehicle positioning because it can provide all-weather, continuous, and real-time high-precision posit...[Details]
-
Most of the temperature sensors on cars are negative temperature coefficient thermistors, such as the engine's intake temperature sensor, coolant temperature sensor, oil temperature sensor, automat...[Details]
-
Overview
Modern
amplifier RF instruments
have impressive measurement capabilities and accuracy far exceeding their predecessors. However, these instruments cannot reach their full pote...[Details]
-
The use of batteries
is rapidly expanding
in consumer and industrial applications
. Their testing requirements generally depend on their chemistry, specifications, usage, and whether they ar...[Details]
-
There are multiple methods for measuring the temperature of electrical contacts in power transmission and distribution. The more traditional methods include temperature measurement wax sheet method...[Details]
-
China
has rich
wind energy
resources and huge potential for development. According to relevant data, China's land wind energy resources can be developed to 2.38 billion kilowatts, and of...[Details]
-
1 Introduction
The automobile assembly line is an important part of the entire automobile production line, and its operation status directly affects the quantity and quality of automobile prod...[Details]
-
In engineering, modems are often used to transmit data remotely through analog lines. We use industrial-grade PIC16F87 series microcontrollers to control modems to complete serial asynchronous/sync...[Details]
-
There are three design methods for the software of the entire system, and different design methods are used according to different application scenarios and the complexity of the system. In general, s...[Details]