This indicates that this spread-spectrum CLK provides a 13dB EMI reduction on the spectrum peak. Figure 3.A CLK spectrum of the MAX9492 with and without spreading.
また、スペクトラム拡散効果により、他方式との混信にも強くなっています。
In addition, the spread spectrum effect also improves immunity to interference from other systems.
Our Class D speaker amps use patented spread-spectrum modulation techniques in conjunction with sophisticated edge-rate control technology to minimize EMI emissions.
意図的または意図的でない干渉や妨害信号は、スペクトラム拡散キーを含まないため、受け付けられません。
Intentional or unintentional interference andjamming signals are rejected because they do not contain the spread-spectrum key.
Narrow-band, high sensitivity, strong penetrability, frequency hopping, spread spectrum, anti co-channel interference, ensuring the communication distance and reliability.
Spread spectrum communication is a transmission system that enables sharing of broad band by converting narrow-band signals into broad-band signals using spread codes as identification codes.
While it is possible that some spectralnoise may redistribute into the audio band with spread-spectrum modulation, this noise is suppressed by the noise-shaping function of the feedback loop.
Definitions Different spread-spectrum techniques are available, but all have one idea in common: the key(also called the code or sequence) attached to the communication channel.
Frequency Spread Spectrum feature adds dither to the switching frequency, significantly reducing the peak EMI noise and making it much easier to comply with EMI standards.
Frequency profile of spread-spectrum CLK. To make the CLK spectrum flatter, a special curve, named a"Hershey KissTM," is used as the modulation waveform Figure 2.
The modification authorized wireless network products to operate in the industrial, scientific, and medical(ISM)bands using spread spectrum modulation.
Spread-spectrum techniques are also effective in helping to meet regulatory standards for EMI, as these standards generally specify maximum EMI energy at certain points in the spectrum.
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