工程上常用的电位器是一类（ ） A: 固定电阻（fixed resistors） B: 可变电阻（variable resistors） C: 测量仪表（meters） D: 稳压器（voltage regulators）

对应"有引线塑料芯片载体"的元器件封装库是：Resistors。

对应电阻样式的封装的元器件封装库是：(　　)。 A: Capacitors B: AXIAL C: Resistors

In low frequency range, drop in gain is caused by ( ) A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

‏In low frequency range, drop in gain is caused by ( )​ A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

​In high frequency range, drop in gain is caused by ( )‏ A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

In high frequency range, drop in gain is caused by ( ) A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

在AD软件的元件封装向导模型中，以下哪个是电阻器模型： A: BallGridArrays B: Capacitors C: Diodes D: Resistors

对应"芯片级"的元器件封装库是：(　　)。 A: (A)Resistors B: (B)Chip Scale Package C: (C)Dual In-line Packages D: (D)Capacitors

对应"方形扁平"的元器件封装库是：(　　)。 A: (A)Quad Flat Package B: (B)Resistors C: (C)Edge Connectors D: (D)Single In-line Package