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As shown in the figure, this is a light-off reminder circuit. The circuit consists of a monostable delay circuit, a drive circuit, a buzzer, a light-emitting diode, etc. The output signal of the mo...[Details]
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When performing routine DNA testing, the sample often contains many molecules other than the target DNA, which can interfere with the results. According to the US "Science Times" on the 5th, research...[Details]
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OLED: Organic Light Emitting Display, or organic light-emitting display, is a newly emerging type on mobile phone LCDs and is known as the "dream display". OLED display technology is different fro...[Details]
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1. Fault phenomenon: 10db and above attenuation power is inaccurate; startup error Error finding operating system, operating system not found 2. Testing process After receiving the instrument, we f...[Details]
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1 AD5933 Chip Overview
1.1 Main Performance
AD5933 is a high-precision impedance measurement chip that integrates a frequency generator with a 12-bit AD converter with a sampling rate of up to 1MS...[Details]
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As science has developed, scientists have developed a variety of implantable devices that can be implanted in the human body, such as implantable chips and implantable stents. The purpose of ...[Details]
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my country's trade measurement is settled by quality. Tianchen Borui's mass flowmeter can directly measure the quality of fluids, which has a great advantage in foreign trade. Especially for oil prod...[Details]
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Microsoft CEO Nadella recently revealed in a media interview that he no longer intends to position Cortana as a competitor to Amazon Alexa or Google Assistant, but to make it a Microsoft 365 skill th...[Details]
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The luminous principle of LED lamp beads LED in English is (light emitting diode). LED lamp bead is the abbreviation of light emitting diode, which is a common name. The terminal voltage of t...[Details]
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According to foreign media xda-developers, the Galaxy Z Flip 5G appeared in a certification document submitted by Samsung. The product model of this phone is SM-F707B. ▲Image source: xda-d...[Details]
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The network analyzer can characterize the linear and nonlinear characteristics (amplitude-frequency characteristics, phase-frequency characteristics, time-frequency characteristics, power-frequency c...[Details]
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August 3, 2021, Shanghai, China - SmartSens Technology, a technologically advanced CMOS image sensor supplier, officially launched the IoT series 3-megapixel image sensor product - SC301IoT for IoT...[Details]
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A power supply that can provide a stable AC voltage and frequency is an AC stabilized power supply. The AC stabilized power supplies on the market are roughly divided into the following categories: ...[Details]
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The E5061B ENA series network analyzers provide a wide frequency range from 5Hz to 3GHz. It supports not only general RF applications (such as filter or amplifier measurements, etc.), but also low-fr...[Details]
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Since the invention of light-emitting diodes (LEDs) in the 1960s, this new type of light source has been widely used in display screens, signal lights, and landscape LED light sources, and has pene...[Details]