Design principles of foreign car audio
Recently, domestic electronic newspapers have published reports on car audio upgrades, indicating that the car owners are not satisfied with this, so they are eager to understand the latest foreign car audio trends. To thi…
Use external LNA to improve receiver sensitivity
Abstract: This application note discusses the impact of adding a low-noise amplifier (LNA) to the system specifications in a remote control gating (RKE) receiver. The system sensitivity will increase by 3.77dB, b…
Manufacture of RF modulator circuit for Palm Treasure Camera
The mini camcorder has an AV output socket, which can be connected to a color TV with an AV interface for playback.
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Motorcycle turning strobe light circuit
If the motorcycle does not attract the attention of the passing vehicles when turning, it is easy to cause traffic accidents, so some drivers are used to flashing the headlights when they are in the car or turning to remi…
ABI expects 1.2 billion mobile device shipments in 2009 to double in 2014
According to foreign media reports, the latest data from market research company ABI Research shows that mobile device shipments will reach 1.2 billion units in 2009. The mobile devices r…
A neural network multi-user detector
This paper proposes to use Hopfield neural network to realize the detection of multi-user signals in CDMA multi-user communication system. Using the correspondence between the likelihood function of the best multi-user detec…
NXP talks about the future car audio entertainment system
The car's audio system is the most important form of entertainment. Not long ago, radios, cassette tape players, or CD players could also meet the needs of car users. However, the emergence of multip…
Type Symbol Status, characteristics and application of neutral port
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MediaTek TD chips shipped over one million, and domestic 3G terminal leaders have four commonalities
The last two weeks of April are a busy and happy week for TD players. First, China Mobile's TD netbook customization dust settled. 29 netbooks from 17 PC ma…
