[color=#333333][font=微软雅黑]I want to design an amplifier with a bandwidth of 15MHz~25MHz, and a gain of 40dB at 20MHz. The input signal is about 1mv. I used the OPA847 common-phase amplifier circuit to...
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Is it that every manufacturer has not followed up, or is it th...
[table=98%] [tr][td]The power consumption of FR6972 LCD display is nearly 20UA, while that of FR4133 LCD display is only 6UA; the circuits are similar, the only difference is that R23/LCDCAP is connec...
Experts, please tell me, after drawing the board, I updated the schematic (adding or deleting some components, changing some circuits), and then when I import the schematic into the PCB, a prompt will...
This afternoon, Huawei Consumer Business CEO and Huawei Technologies Co., Ltd. Executive Director Richard Yu delivered a keynote speech at the Huawei Developer Conference titled "Full-Scenario Intell...[Details]
Engineers often consider RF low-noise amplifier design a daunting task. Obtaining a low noise figure at a stable high gain can be challenging, even daunting. However, using the latest GaAs (gallium...[Details]
Resistors are generally called resistors in daily life. It is a current limiting element. After the resistor is connected to the circuit, the resistance of the resistor is fixed. Generally, it has ...[Details]
Previously, TD Tech Communications released the Huawei smart phone TD Tech N8 Pro, which is similar to the Huawei nova 8 Pro, but runs on the Android system and supports 5G networks. In additi...[Details]
The minimum system of single-chip microcomputer refers to a single-chip microcomputer system that can work with the least components. In order to facilitate the designer's self-development and ap...[Details]
In the blink of an eye, 2019 is already halfway through. The new products of various manufacturers in May have already made digital enthusiasts dazzled. So what new technological content will be wort...[Details]
Traditional brushless DC motors use square wave control, which is simple to control and easy to implement. However, there are problems such as torque pulsation and commutation noise, which are limi...[Details]
The frequency converter is a power electronic device that can convert fixed-frequency AC power into adjustable-frequency AC power, thereby achieving speed regulation and control of the motor.
...[Details]
Under the global trend of miniaturization, the unprecedented growth of power electronics and the accompanying more efficient production efficiency are the main driving forces for this high-end indust...[Details]
It has many functions and advantages that other instruments cannot have, such as fast weighing, simple operation, automatic calibration, fault self-diagnosis, etc. Due to the precise measurement an...[Details]
China, April 28, 2021 – STMicroelectronics (ST; NYSE: STM), a global semiconductor leader serving multiple electronics applications, announced that it will release its first quarter 2021 financial da...[Details]
The quality of a full-color display can be judged mainly from the following aspects:
1. Flatness
The surface flatness of the display screen should be within ±1mm to ensure that the displa...[Details]
product description The beam quality analyzer independently developed by Guangyan Technology can realize laser spot detection and testing applications. Provide customers with customized integrated be...[Details]
TVS is a surge suppressor, and its application involves all aspects of communication and power supply circuits. Because it is so common, many applications refer to or continue to use past designs. ...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It controls various mechanical equipment through programming and has the charac...[Details]