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What are the benefits of fresh vending cabinets?

2021-03-10

Haloo

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What are the benefits of fresh vending cabinets? Hello everyone, the following author will introduce to you the benefits of fresh vending cabinets. Friends who are interested may wish to come in and have a look. Leakage voltage: Because the output state of the fresh vending cabinet is only two (zero-level or power supply voltage), the power amplitude characteristic of the output stage of the complete and comparator is the emitter follower, resulting in only a minimum input signal and output signal. Pressure difference. Super power swing: In order to make the working voltage of the comparator more stable. The output level comparator is connected with the NPN tube structure and the parallel PNP tube, so that the input voltage of the comparator can be expanded, and the lower limit comparator can reach the lowest The upper limit is 250mv higher than the power supply voltage, so as to reach the superpower swing standard. Output delay time: It includes the time and fall time of the signal generated by the transmission delay to pass through the components and the signal, and the typical value of the high-speed comparator and the delay time. Up to 4.5 ns, the rise time is 2.3 ns. Bias current: the input impedance of the ideal comparator is infinite. Therefore, the input signal of the input signal does not affect the theory, and the input impedance of the actual comparator cannot be infinite, and the input current passes the signal The internal resistance of the source and the flow into the comparator cause an additional voltage difference. Hysteresis voltage: The output state of the two input terminals of the fresh vending machine changes when the voltage exceeds zero, and the differential voltage generated at the input often causes the comparator Continuous change of output. In order to avoid output oscillation, new comparators usually adopt this method. It has a hysteresis voltage of several mV. If you need to learn more about fresh vending cabinets, please click to enter our company's official website , There are more exciting information waiting for you to learn. Previous post: Back to list

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