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Common emitter high frequency tuned amplifier circuit diagram
The figure below shows the actual circuit of a typical common emitter high frequency tuned amplifier.
Rb1 and Rb2 are base voltage...[Details]
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The rubber and plastic particle density meter is based on ASTM D297-93, D792-00, D618, D891 and other standards. It combines the principle of Archimedes' water displacement method with modern microele...[Details]
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X10 Max is a large-screen phone launched by Honor today. In fact, Honor President Zhao Ming had revealed its news before, and today it finally met with users. It occupies the position of "the fi...[Details]
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1. Introduction Wireless communication is the fastest growing and most widely used communication technology in recent years. Wireless network technologies include Bluetooth, ultra-wideband, ZigBee an...[Details]
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The schematic diagram of MAX7219 driving dot matrix is as follows: The source program of single chip microcomputer + MAX7219 dot matrix is as follows: #include reg52.h #include intrins.h #def...[Details]
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1. Introduction
In the past 30 years, the technology of LED light-emitting diodes has experienced a rapid development process. LED has been widely used for its inherent advantages such as high...[Details]
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On January 6, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia launched
an 11kW DC-DC converter soluti...[Details]
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Recently, Shenzhen MTC released information related to investor surveys. Regarding the future price trend of panels, it said that the price trend of panels depends on supply and demand on the one han...[Details]
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In early June, Jiwei.com reported that Neonode of Sweden filed a lawsuit in the U.S. District Court for the Western District of Texas, accusing Apple of infringing its patents with its QuickPath and ...[Details]
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1. Introduction
Small conference system or voice group chat system is composed of multi-channel audio circuits. In order to make the call orderly, it is necessary to control the output of each...[Details]
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The global automobile market has begun to recover steadily, especially the rapid recovery of the Chinese automobile market, which has rapidly driven a substantial increase in chip demand. More import...[Details]
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STMicroelectronics announces first quarter 2022 financial results • Q1 net revenue of $3.55 billion; gross margin of 46.7%; operating margin of 24.7%; net profit of $747 million • Free cash flow(...[Details]
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* Use four-digit common cathode digital tube R42056K, P1 port connects to digital tube segment code. P0.0 connects to the fir...[Details]
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1 Introduction
Short-range wireless transmission has the advantages of strong anti-interference performance, high reliability, good security, less geographical restrictions, flexible installat...[Details]
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Apple officially released the new Mac mini equipped with M4 and M4 Pro chips through online updates. At the same time, Apple also announced that Mac mini became Apple’s first carbon-neutral Mac dev...[Details]