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The figure shows a low-noise, high-input-impedance, gain-adjustable input amplifier composed of the SF357 op amp. The gain of the amplifier can be changed by changing the resistor divider ratio in th...[Details]
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It is reported that in order to cope with the U.S. technological suppression of Huawei and avoid using U.S. technology to manufacture terminal products, Huawei recently launched the "Nanniwan Project...[Details]
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Monostable working mode, it can be divided into 3 types. See the figure.
555 monostable circuit diagram
The first type (Figure 1) is a manual start monostable, which is divided into two different...[Details]
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The types of power amplifiers used in cyclotron high frequency (RF) systems are mainly solid-state circuits and vacuum tubes . The former uses bipolar transistors or field effect transistors as amp...[Details]
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China Energy Storage Network News:
From May 28th to 29th, Hunan welcomed strong winds. Due to the combined influence of multiple factors such as the large-scale development of new energy an...[Details]
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This morning, Xiaomi announced a new mobile phone - Xiaomi 10S, which mainly upgraded the processor, speakers and appearance. The audio just won the first place in DXOMark. DXOMark said that ...[Details]
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Design and wiring of analog-digital hybrid circuits
Power supply and ground: The power supply of the analog and digital parts should be wired separately or isolated. Under the premise of partition...[Details]
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Circuit diagram Parts list Program (C language) #include reg51.h sbit p3_0=P3^0; sbit p3_1=P3^1; sbit p3_2=P3^2; sbit p3_3=P3^3; void delay(unsigned char i); void main() { unsigned char ledct...[Details]
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The address of the binary variable is saved in the file $CUSTOM, as follows:
$BIN_OUT ={F_BIT 769,LEN 8,PARITY #NONE}
$BIN_OUT ={F_BIT 729,LEN 8,PARITY #NONE}
$BIN_OUT ={F_BIT 80...[Details]
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Apple supplier Japan Display Inc said it aims to finalize a major funding deal of at least 50 billion yen ($468 million) by the end of this month, after a Chinese investment group pulled out, forcing...[Details]
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In a low-voltage three-phase four-wire power supply system, the voltmeter is generally connected using the direct measurement method. When the measured phase voltage is 220V, the phase line L is conn...[Details]
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Sleep is the longest part of a person's life, accounting for about one-third of his life. A good night's sleep every day is essential for improving the quality of life and work and maintaining heal...[Details]
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In order to test the insulation resistance of equipment of various voltage levels, various voltage specifications such as 500v, 1000v, 2500v, 5000v, etc. are made. For electrical equipment of 500v an...[Details]
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The schematic diagram of the 4×4 column keyboard of this example is shown in FIG1 . During output, the lower 4 bits of port C are used to display the input value of the key. Figure 1 External power...[Details]
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Tesla recently released an OTA upgrade package for firmware version V12.5.4.1, claiming that it had upgraded the vehicle's smart summon function, adding a remote driving function to it, allowing ca...[Details]
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