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The author used the components at hand to make a video doorbell (see the attached picture for the circuit), which works well and is now introduced to audiophiles.
When switch K is off, it is a no...[Details]
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The AD6659 is a mixed-signal dual-channel IF receiver that supports radio topologies that require two receiver signal paths, such as main signal/diversity channels or direct conversion. The communi...[Details]
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FM radio limiter circuit
Many FM radios use diode limiters, that is, one or two diodes are connected in parallel in the tuning loop of some circuits, as shown in Figure 1-22. When the signal amp...[Details]
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The increasing maturity and rapid development of scientific and technological production technology has led to a continuous decline in manufacturing costs, and scanners have entered the homes of ordin...[Details]
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Embedded computer vision systems are very similar to the human visual system, analyzing and extracting video information from a wide range of products, performing the same visual functions as the hum...[Details]
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MEMS microphones for high-fidelity audio playback, VoIP, and speech recognition
Many portable electronic devices are at the forefront of an audio revolution. While designers have been worki...[Details]
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Inductor Core Material Performance Comparison Table
Iron Powder
(Pure) Iron Powder Core
Hi-Flux
high flux magnetic powder co...[Details]
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Working principle and device structure of ferroelectric memory
1 Introduction to Ferroelectric Memory
With the continuous development of IT technology, the demand for non-volati...[Details]
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The T5848 I²S microphone with Acoustic Activity Detection (AAD) provides high-fidelity sound at ultra-low power
Supports IoT and edge AI applications, including wearables, TWS earpho...[Details]
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PTC element refers to a thermistor with a positive temperature coefficient. It is a component made of barium titanate (BaTiO3) as the main raw material, with trace rare earth elements (such as stro...[Details]
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By eliminating the need for custom ASICs and simplifying front-end design, test and measurement engineers can save months of design time
Beijing (January 20, 2022) – Texas Instrument...[Details]
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Advantages and Features
24-bit 250kSPS ADC system
Industrial signal levels
Single power supply
application:
Instrumentation
Programmable logic control and distributed control ...[Details]
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This article describes a general technique for measuring the RF noise immunity of integrated circuits. RF immunity testing subjects the board to controlled RF signal levels that represent the level...[Details]
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The Sample and Hold (S/H) function is fundamental to the data acquisition and analog-to-digital conversion processes. The S/H amplifier circuit has two different basic operating states. In the first ...[Details]
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introduction
Entering the 21st century, the status of information is becoming increasingly important, and the ability to obtain and process information has become a key issue in modern informa...[Details]