* Question In addition to high coherence, what are the advantages of HeNe lasers? * Answer 1 easy to achieve single mode operation, and the line width is very narrow, can be as low as 1 kHz, which is ...
* Question What is the transformer protection TA disconnection criterion? * Answer 1 When the zero-sequence current appears on the △ side of the transformer, it is judged that the TA is disconnected o ...
* Question What are the principles for planning the IP address of an NE? * Answer Each network element must have a unique IP address.The network element can use standard IP addresses of categories A, ...
* Question What are the two effective constraints of the converter on the turns ratio? * Answer (1) The output power will be limited as the previous partial reduction.The drain of the MOSFET will see ...
* Question What is the detection method for the throttle position sensor of the Audi 200? * Answer 1 Turn on the ignition switch and check the voltage of the power supply terminal of the connector wit ...
* Question What are the characteristics of a pneumatic detector? * Answer This sensor is characterized by high sensitivity and stable performance, but has long response time, complicated structure and ...
* Question What are the principles to follow for antenna selection? * Answer 1) Determine the density of different antenna hanging points according to the different building scenarios. For example, in ...
* Question What are the restrictions on stop mode? * Answer When all of the following four conditions are met, if the CMl0 bit of the CM1 register is set to “1” (stop mode), the microcontr ...