common mode test circuit for Surface mount and through hole
50
W
D.U.T.
50
W
Test Notes:
1.
2.
3.
Network analyzer calibrated to compensate for
50
W
resistors.
All windings on a core are connected in parallel
for the test.
For multi-core chokes, test data is for one core
only. The windings on the other core(s) are left
unconnected (i.e. open).
HP 3577A
Network Analyzer
For More Information:
Pulse Worldwide
Headquarters
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12220 World Trade Dr. D-71083 Herrenberg
San Diego, CA 92128 Germany
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www.pulseeng.com
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Fax: 858 674 8262
Tel: 49 7032 7806 0
Fax: 49 7032 7806 135
Pulse Europe
Pulse China Headquarters
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Aerospace Technology Bldg.
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FAX: 86 755 33966700
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Room 1503
XinYin Building
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Shanghai 200233
China
Pulse South Asia
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#03-02
PM Industrial Bldg.
Singapore 368363
Pulse North Asia
No. 26, Kao Ching Rd.
Yang Mei Chen
Taoyuan Hsien
Taiwan
R. O. C.
Tel: 886 3 4643715
Fax: 886 3 4641911
Tel: 86 21 54643211/2
Fax: 86 21 54643210
TEL: 65 6287 8998
FAX: 65 6280 0080
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
当今的计算机外部设备,都在追求高速度和高通用性。为了满足用户的需求,以Intel为首的七家公司于1994年推出了USB(Universal Serial Bus,通用串行总线)总线协议,专用于低、中速的计算机外设。目前,USB端口已成为微机主板的标准端口;而在不久的将来,所有的微机外设,包括键盘、鼠标、显示器、打印机、数字相机、扫描仪和游戏柄等等,都将通过USB与主机相连。
...[详细]