【判断题】间接合成法又称锁相合成法,通过锁相环完成频率的加、减、乘、除。
【单选题】Diode suitable for high frequency operation is______. Choose A,B,C or D.
C.
Point contact diode 点接触二极管
D.
Anything you can 随便哪种均可
【单选题】神农尝百草,日遇七十二毒,得荼而解,说明人类这一时期对茶的利用属于( )
【单选题】以下宝贝标题中的关键词,属于主关键词的是_________。
【单选题】The piecewise linear model, equivalent circuit of the diode consists of ( ).
A.
a junction capacitor, a battery, a small resistor, and the ideal diode
B.
a battery, a small resistor, and the ideal diode
C.
a battery and the ideal diode
【单选题】In a circuit, a diode is properly operated with a reverse-biased voltage and in breakdown region, the type of the diode is most probably ( )
C.
Schottky barrier diode
【判断题】间接合成法又称为锁相合成法,通过锁相环来完成频率的加、减、乘、除。
【单选题】The zener diode works in the ________ area. When the zener diode works, the current limiting resistor must be added。
【单选题】神农尝百草,日遇七十二毒,得荼而解,说明人类这一时期对茶的利用属于( )价值。