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Determination of lead content in solder by atomic absorption spectrometry in SMT welding technology
1. Scope of application
This method is applicable to the determination of lead (less th...[Details]
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Summary: A combined current-sense amplifier and multiplier (MAX4211F) measures the voltage across the load and provides a voltage at one of its outputs (the power output) that is proportional to ...[Details]
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A wave of mobile phone lens upgrades has officially begun, and this trend will drive Taichung's optical industry into a golden age. Less than two months after Apple launched the iPhone 11 Pro with th...[Details]
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Since the launch of the Snapdragon 8cx computing platform, Qualcomm Technologies has continued to drive the experience of consumer and commercial PCs and continue to push the boundaries of innovation...[Details]
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introduction
Liquid crystal display is a voltage-type non-active light-emitting display. Typical liquid crystal displays use the physical properties of dielectric anisotropy and refractive ind...[Details]
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Compared with the more eye-catching digital chips, the analog IC market, which has always been low-key, is very profitable. Global analog chip giants TI and ADI make good profits from the analog...[Details]
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In the eyes of the general public, car configurations have remained unchanged for many years, especially the rearview mirrors on the left and right sides, which are important partners in ensuring dri...[Details]
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Working principle of the circuit: DTMF decoding, the receiving circuit uses the DTMF decoding integrated circuit MT8870. When JKa and JKb in the circuit interface are closed, the DTMF signal sent b...[Details]
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1 Introduction In the late 1950s, with the rapid development of material technology, semiconductor technology, laser technology, microelectronics technology and optical technology, the develo...[Details]
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LM324 can be used with a single power supply or with positive and negative dual power supplies. For this circuit, we hope that it can output: 0~-5V, so we must add positive and negative dual power su...[Details]
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The automobile tire pressure monitoring system (TPMS) is mainly used to automatically monitor the tire pressure in real time while the car is driving, and to provide alarms for tire leakage and low...[Details]
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1. Hardware Solution The intelligent lighting control system consists of a single-chip microcomputer minimum system, a human body sensing module, a light intensity module, a light control module, a p...[Details]
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On the morning of November 25, Ming-Chi Kuo, an analyst who has been paying close attention to Apple, said that Apple plans to release other MacBook models using self-developed chips in the se...[Details]
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The 4-20mA digitally controlled current source circuit designed with DAC7644 (Burr-Brown Company's 16-bit four-voltage output D/A converter) is shown in Figure 1. The DAC7644 provides a different...[Details]
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Design concept of TpBD-2F film: Elucidation of the synthesis process and the role of fluorinated nanochannels in guiding the fast, uniform, and reversible Zn2+ plating/stripping process. Im...[Details]