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HT338 датащи(PDF) 13 Page - Jiaxing Heroic Technology Co.,Ltd.

номер детали HT338
подробное описание детали  2X50W Class D Stereo Amplifier
PDF  19 Pages
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производитель  HEROIC [Jiaxing Heroic Technology Co.,Ltd.]
домашняя страница  http://www.heroic.com.cn/en/index.asp
Logo HEROIC - Jiaxing Heroic Technology Co.,Ltd.

HT338 датащи(HTML) 13 Page - Jiaxing Heroic Technology Co.,Ltd.

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HT338
Stereo Class D Amplifier
Copyright©2023, Heroic Technology
-13-
8/2023 – V1.1
2.2 Amplifier Output Configuration
The HT338 has been tested with a simple ferrite bead filter for
a variety of applications. The impedance of the ferrite bead
can be used along with a small capacitor with a value in the
range of 1000 pF to reduce the frequency spectrum of the
signal to an acceptable level. For best performance, the
resonant frequency of the ferrite bead/ capacitor filter should
be less than 10 MHz. Also, the filter capacitor can be increased
if necessary, with some impact on efficiency.
HT338 可使用简单的铁氧体珠过滤器，在各
种应用中。铁氧体珠的阻抗可与值在
1000 pF 范
围内的小电容一起使用，以将信号的频谱降低到
可接受的范围。
Figure 3 Output Filters with Ferrite Beads
There may be a few circuit instances where it is necessary to
add a complete LC reconstruction filter. These circumstances
might occur if there are nearby circuits which are sensitive to
noise. In these cases, a classic second order Butterworth filter
similar to those shown in the figures below can be used.
可能在一些应用场合需要添加一个完整的
LC 滤波器，比如附近有对噪声敏感的电路，或
EMI 难以达到标准。此时，可以使用类似于下图
所示的经典二阶巴特沃斯滤波器。
Figure 4 Output Filters with LC



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