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The November 2000 issue (No. 127) of the American audiophile bible "Absolute Audio" (TAS) published an article titled "Room Treatmeat & Speaker Placement" written by Mr. Robert E. Greene. The artic...[Details]
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Convert the received GPRS or 3G signal of the mobile phone into a WiFi signal and then send it out. In this way, your mobile phone becomes a WiFi hotspot. The mobile phone must have a wireless AP f...[Details]
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Generally speaking, capacitors and inductors are used together. Inductors have functions such as boosting and energy storage, while capacitors are professional energy storage and are indispensable. Th...[Details]
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A delta-sigma ADC is often the primary component of a 10-kilogram scale that can detect a 1-gram change in weight. When designers need to measure temperature to 0.01 degrees, delta-sigma ADCs are oft...[Details]
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Frequency modulation (FM) receivers have been used in high-fidelity music and voice broadcasting for many years. They provide excellent sound quality, signal stability and noise immunity. Recently, FM...[Details]
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Single -phase half-wave rectifier circuit In addition to the bridge rectifier circuit, the single-phase rectifier circuit also has two forms: single-phase half-wave and full-wave. The single-phase ha...[Details]
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The following is the circuit diagram of the lOW sound and light siren:
As shown in the figure, this is a 10W sound and light siren circuit. This circuit can generate high-intensit...[Details]
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First, about the video:
For movies, DVD-NTSC uses the "2:3 Pull-Up" method when storing videos, converting 24-frame videos into 30-frame videos, but the playback time of 24-frame videos and convert...[Details]
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On February 1, Wang Wenbin, director of the CCTV Network Communication Center, and Qiu Xin, director of Shanghai Radio and Television Station, signed a cooperation agreement on the IPTV broadcast and...[Details]
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This article mainly introduces some important performance indicators of GPS.
1. What is a satellite trajectory?
The GPS global positioning navigation system has 24 GPS satellites orbi...[Details]
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The logic level switch circuit is shown in the figure. There are 8 switches K7~K0 at the bottom right of the test bench. When the switch is turned to the "1" position, the switch is disconnected and ...[Details]
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As the market for LED RGB backlights gradually expands, people's requirements for realistic images on display screens are not only full-color images, but also realistic image effects. However, at pre...[Details]
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Conducted emission is one of the important issues in electromagnetic compatibility design. In order to meet the requirements of the standards for conducted emission limits, EMI filters are usually ...[Details]
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ISDB-T Digital Television System
The digital terrestrial broadcasting (DTTB) standard determined by Japan is ISDB-T (Integrated Services Digital Broadcasting - Terrestrial Transmission)
1. Gener...[Details]
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Compared with Class AB amplifiers, Class D amplifiers have better efficiency and thermal performance, but implementing a Class D amplifier still requires attention to good electrical design and therma...[Details]
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