High speed pulse indicating circuit

The utility model discloses a high speed pulse indicating circuit, this circuit include MCU microprocessor, optic fibre ware, pulse display indicating lamp and RS trigger, MCU microprocessor's outputis through the R foot of a capacitance connection to the RS trigger, the Q foot of RS trigger is connected to pulse display indicating lamp, just the Q foot of RS trigger connects gradually the 5th resistance and second electric capacity, just the common port of second electric capacity and the 5th resistance is connected to the S foot of RS trigger, the optic fibre ware passes through MOS union coupling to first electric capacity. The utility model discloses whether personnel just can observe pulse display indicating lamp and light the state and determine and have the pulse to pass through this signalling channel, just so can solve the original problem that can not show microsecond rank pulse signal. 本实用新型公开了种高速脉冲指示电路，该电路包括MCU微处理器、光纤器、脉冲显示指示灯和RS触发器；所述MCU微处理器的输出端通过第电容连接至RS触发器的R脚，所述脉冲显示指示灯连接RS触发器的Q脚，且所述RS触发器的Q脚依次连接