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High Frequency Small Signal Tuned Amplifier
1. Experimental Purpose The small signal tuned amplifier is a basic unit circuit in high-frequency electronic circuits, mainly used for linear amplificat...[Details]
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Changfa Gai Nengyuan No. 102
To the People's Governments of all districts, counties and cities:
The "Changsha Charging Infrastructure "Blue Sky Defense" Special Implementation Plan" is n...[Details]
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The terminal products of CMMB mobile TV applications are mainly mobile phones, PMP, GPS, car TV and PCTV. The common characteristics of these systems are small size and strong internal interference. ...[Details]
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The important position of data acquisition in modern industrial production and scientific research is becoming increasingly prominent, and the requirements for real-time high-speed data acquisition a...[Details]
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5. Enable MMU
Enabling mmu is implemented by the function __enable_mmu.
When entering __enable_mmu, r0 already stores some configurations of the control re...[Details]
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● EQU The EQU directive is used to define a symbolic name for a numeric constant or a value associated with a kernel register or a value associated with a program counter, similar to "#define" in ...[Details]
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With the rapid development of portable applications, lithium battery chargers
for products such as mobile phones and digital cameras
also need to keep up with the development of portable...[Details]
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Hardware: STC89C52RC Development tool: Keil uVision4 For those who are new to microcontrollers, the application of timers/counters may be confusing, especially the calculation of initial values ...[Details]
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Now, the switch tubes in the fields of home appliances, lighting, automotive electronics, etc. are all replaced by high-performance MOS tubes to replace the high-power transistors in the past, which ...[Details]
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The RF impedance can be detected by attaching an air dielectric transmission line to the outer wall of a non-metallic water tank to accurately measure its liquid level. This article provides an empir...[Details]
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From May 9 to 11, Liu Yujie, secretary of the municipal party committee, led a team to Beijing to conduct investment promotion activities. They visited enterprises, inspected projects, and negotiated ...[Details]
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According to a whistleblower @手机陶瓷达人 who is close to the supply chain in Taiwan Province of China, the long-rumored Apple AR/VR headset will be equipped with a derivative version of the M2 chip (...[Details]
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The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, which remains effective even if the main clock fails. The principle of the watchdog: When the microcontrol...[Details]
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The name "Time Phonograph" has a romantic atmosphere. Although the phonograph seems a bit outdated in the era of smartphones, doesn't the occasional retro atmosphere bring people a different surpri...[Details]
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The electric vehicle solutions and technology landscape are changing rapidly. The integration of IoT technologies is redefining the future of charging facilities. On the other hand, the demand for ...[Details]
Analog electronics
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