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SERIAL PERIPHERAL INTERFACE

发明专利审中
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20权利要求 · 3 独立
§ Ⅰ

卷宗概要

发明人

Xiaochun ZHAO; Eung Jung KIM

IPC 分类

H3K 17/687H2H 9/4H3K 5/1

CPC 分类

H3K17/6871H2H9/45H3K5/1H3K2217/63

A circuit includes a preregulator circuit. The preregulator circuit includes first and second transistors, and first and second Zener diodes. The first transistor has a first terminal, a second terminal, and a control terminal. The first Zener diode has a first terminal coupled to the second terminal of the first transistor, and a second terminal coupled to the control terminal of the first transistor. The second transistor has a first terminal coupled to the second terminal of the first transistor, a second terminal, and a control terminal coupled to the first terminal of the first transistor. The second Zener diode has a first terminal coupled to the control terminal of the second transistor, and a second terminal coupled to the second terminal of the first Zener diode.

原文(中文)

A circuit includes a preregulator circuit. The preregulator circuit includes first and second transistors, and first and second Zener diodes. The first transistor has a first terminal, a second terminal, and a control terminal. The first Zener diode has a first terminal coupled to the second terminal of the first transistor, and a second terminal coupled to the control terminal of the first transistor. The second transistor has a first terminal coupled to the second terminal of the first transistor, a second terminal, and a control terminal coupled to the first terminal of the first transistor. The second Zener diode has a first terminal coupled to the control terminal of the second transistor, and a second terminal coupled to the second terminal of the first Zener diode.