Type-III and type-IV collector with high MBUS load capacity
A load capacity and collector technology, applied in the direction of instruments, signal transmission systems, electrical signal transmission systems, etc., can solve problems such as excessive bus load, communication failure, excessive current absorption, etc., and simplify the design of sending and receiving circuits , Improve anti-interference performance, reduce the effect of resistance
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[0016] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in a variety of different ways defined and covered by the claims.
[0017] Such as figure 1 As shown, a type III and type IV collector with strong load capacity of MBUS bus includes 36V power supply 1, single chip microcomputer control circuit 2, MBUS sending circuit 3, MBUS receiving circuit 4. 36V power supply 1 provides power for MBUS bus, MBUS The positive or negative pole of the bus is connected to the collector MBUS+ or the collector MBUS- respectively, the collector MBUS+ is connected to the 36V power supply, and the collector MBUS- is connected to the emitter of the transistor Q101;
[0018] The MBUS transmitting circuit 3 includes a transistor Q3, an operational amplifier U104, and a transistor Q101. The signal TXD1 connected from the microcontroller control circuit 2 is connected to one end of a resisto...
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