The power amplifier PA in the RF front end of the wireless communication system is a very critical device. Its main function is to amplify low-power signals to obtain a certain amount of RF output pow...
As shown in the figure, there are two questions:
1. What kind of feedback is introduced into the circuit shown?
2. The closed loop gain of the circuit. Thanks everyone....
Because copper is easily oxidized in the air, the copper oxide layer has a great influence on welding, and it is easy to form false welding and virtual welding. In severe cases, it will cause the pad ...
https://learn.adafruit.com/improved-amg8833-pygamer-thermal-camera/overviewThe resolution has been increased from 64 pixels (8 x 8) to 225 pixels (15 x 15) and the color depth has been deepened from 8...
The relationship between pulse+, pulse- and U2B output is logical AND.1. When pulse+ is high and pulse- is low, what are the voltages at points c and d respectively?
The Q8 diode is reverse cutoff (co...
During driving, potholes on the road can cause damage to the vehicle's tires and suspension system. When passing through some extreme roads, the driver's distraction can cause more serious consequenc...[Details]
This article introduces
the
high-performance double-tube
fluorescent lamp
(32W×2/36W×2)
electronic
ballast
circuit
using the power factor
controller
SA7527 a...[Details]
On July 10, the European Council officially passed the "New Battery Law", which requires batteries produced or sold in the EU market in the future to provide battery carbon footprint statements and l...[Details]
A week has passed, and earth-shaking changes have taken place in the electronic world. We have gathered the information worth paying attention to this week and read the major events of the week in on...[Details]
Special topic: Micron's 176-layer 3D NAND technology & 1α DRAM technology Modern computers have been around for more than 50 years, but the basic structure of computers has always been the von ...[Details]
In addition to one electrode G still called the control electrode, the other two electrodes of the bidirectional thyristor are usually no longer called the anode and cathode, but are collectively cal...[Details]
Basic Overview of Automotive Chips
Automotive-grade semiconductors, also commonly known as "automotive chips", are semiconductors used in the fields of vehicle body control devices, vehicle-mo...[Details]
Recently, two flash explosions occurred in Tongzhou District. It was initially judged that they were related to gas. Yesterday, Beijing Fire Department gave some small suggestions to teach residents ...[Details]
Rethinking East-West Computing: The essence of computing power is to reshape the economic landscape
According to statistics, the carbon dioxide emissions of data centers across the c...[Details]
In May this year, BYD Semiconductor's announcement of its IPO attracted great attention from the market, making it a strong candidate for the "first car chip stock". However, its IPO review was suspe...[Details]
NeoPhotonics, a developer and manufacturer of photonic integrated circuit modules and subsystems for high-bandwidth, ultra-high-speed communication networks, has introduced high-power semiconductor o...[Details]
With the popularity of thin and light notebooks and tablets, the "travel weight" of business people on each business trip has been greatly reduced, but devices such as laptops or tablets are still in...[Details]
There are many types of oscilloscope probes, and there are also many types of probes that match oscilloscopes, including passive probes (including high-voltage probes, transmission line probes), activ...[Details]
Usually, the UPS power supplies sold on the market are marked with "W" for smaller capacity, and "VA" for more than 1 kWh. There is a difference between the "W" and "VA" values. This requires us to...[Details]
1. Introduction
As an electronic component, light emitting diodes (LEDs) have been around for more than 40 years, but for a long time, they were limited by luminous efficiency and brightn...[Details]