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This home stereo audio amplifier is equipped with STK4241V, which is a thick film hybrid IC, AF power amplifier (split power supply) (minimum 120W+120W, THD=0.08%). STK4241V has some of the followi...[Details]
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The operation of the microcontroller requires clock support - just like the CPU of a computer, if there is no clock circuit to generate a clock to drive the microcontroller, the microcontroller c...[Details]
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With the development of social economy, the role of mirrors is no longer limited to tidying up instruments, but also has functions such as lighting and fill-in light. Compared with traditional mirr...[Details]
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Introduction: The cartridge bottle is also known as the borosilicate glass sleeve for pen-type syringes. The front of the bottle is equipped with an injection needle protected by a rubber seal, the b...[Details]
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Within just a few hours, US President Trump and his Treasury Secretary Mnuchin made different statements on the Huawei issue. US media CNBC reported that the conflict between the two statements has...[Details]
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On the afternoon of August 2, the Shandong Higher People's Court made a final judgment on the case in which Hisense Video sued TCL for using short videos to commercially defame Hisense Laser T...[Details]
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When writing code, especially embedded code, the optimization method that can be thought of is generally to set the optimization level of the compiler. Or consider the scope of use of the variable ...[Details]
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Although digital technology is the technical foundation of ADSL, it is still necessary to rely on complementary analog and mixed signal technologies to enable service providers to build ADSL lines at ...[Details]
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How to use color rings to distinguish diodes, resistors and inductors? Let's talk about how to identify these things. The following are general situations, and some special situations are not incl...[Details]
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1. Clock domain Generally speaking, the main clock source of MCU is mainly external crystal or external clock, and the most common one is external crystal. Generally speaking, the clock used in the s...[Details]
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Stack allocation of local variables
Let's analyze how the C compiler handles the allocation of local variables. For this purpose, we first give the following program:
#vi test2.c
in...[Details]
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1. Multimeter A multimeter, also called a multimeter, three-purpose meter, or multiplexer, is a multi-functional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC ...[Details]
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1 Introduction Elastic elements with holes are widely used in the fields of force measurement and weighing. In some special occasions, such as rocket launches, metallurgical production and other meas...[Details]
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Safety test room is one of the important departments of SET. After long-term hard work, the room has strong comprehensive strength in terms of hardware configuration, personnel quality, w...[Details]
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Introduction
Siemens motors and drives are widely used in the field of industrial automation, and their performance and reliability have been widely recognized.
The role of en...[Details]