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schaltungsanordnung for decentralized power supply with low idle current
schaltungsanordnung for decentralized power supply with low idle current
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机译:schaltungsanordnung用于低空闲电流的分散式电源
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摘要
The circuit includes several transistor switches for controlling routing of supply voltage (T1,T7), for a current sensor switch (T2,T6), and a current sensor (T4,T5) for each subscriber line (a,b). The transistor switches are operated by a control mechanism (MC) which reduces the no-load current of unused subscriber lines. A number of subscriber lines are switchable over further outputs (A2-CN) of the control mechanism. Resistances (R1,R2) of the transistor switch for the supply voltage preferably form a sensor current source for the subscriber lines together with further transistors (T1,T3).
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