DX transmitter trouble latch circuit

• Main Authors: He Huang, Zou Shuquan, Ruan Qian, Lin Jin, Yan Fang, Huang Wei, Shi Kaidi, Shi Yizi, Lin Yunhuang, Zang Xun, Chen Jingru, Fu Xiaocong
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2016
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The utility model relates to a DX transmitter trouble latch circuit, including power supply, controlling resistor, a comparator, the buffer, latch and pilot lamp, the non inverting input end and the output electricity that awaits measuring a little of comparator are connected, the inverting input end of comparator is connected with controlling resistor's one end electricity, controlling resistor's the other end and power supply electricity are connected, the output of comparator is connected with the input of buffer electricity, the output of buffer is connected with the input of latch electricity, the output and the pilot lamp electricity of latch are connected, a comparator, buffer and latch all are connected with the power supply electricity. Adopt the technical scheme of the utility model can monitor the level value at sensitive position, the trouble latchs when being higher than the valve limit value, can therefrom obtain a little information, reduces the fault coverage, shortens the failure diagnosis ti