Demodulation method and circuit of signal isolation system
A technology for signal isolation and demodulation circuits, applied in the direction of logic circuits, pulse demodulation, logic circuit coupling/interface using field effect transistors, etc., can solve the problems of large overall power consumption, large bandwidth, and high comparator speed, and achieve Realize the effect of simple structure, fast transmission rate and low power consumption design
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[0034] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] figure 2 Shown is the functional block diagram of this embodiment, including a signal conversion pair tube, a first current mirror, a second current mirror, a signal recovery circuit and an output stage electrically connected in sequence, and the signal conversion pair tube inputs a forward switch keying voltage signal VIP and the reverse on-off keying voltage signal VIN, and output the forward on-off keying current signal INP and the reverse on-off keying current signal INN, which are respectively copied by the first current mirror and the second current mirror and output to the signal ...
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