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下图是中频放大器单级电路图。已知工作频率f 0 =30MHz，回路电感L=1.5μH，Q 0 =100，N 1 /N 2 =4，C 1 ~C 4 均为耦合电容或旁路电容。晶体管采用3CG322A，在工作条件下测得Y参数如下： （1）画出Y参数表示的放大器等效电路。 （2）求回路谐振电导g Σ 。 （3）求回路电容C Σ 的表。 （4）求放大器电压增益Auo。 （5）当要求该放大器通频带为10MHz时，回路两端并联多大的电阻RP？
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【单选题】Cooperative goals tend to shape the “power with” orientation, even between superiors and subordinates. These goals induce higher expectations of all but one of the following. Which one?
A.
To perform effectively and achieve common objectives.
B.
To reinforce or enhance existing power differences.
C.
For more assistance and greater support.
D.
For more trusting and friendly attitudes.
E.
For more persuasion and less coercion.
【单选题】Cooperative goals tend to shape the "power with" orientation, even between superiors and subordinates. These goals induce higher expectations of all but one of the following. Which one?
A.
To perform effectively and achieve common objectives.
B.
To reinforce or enhance existing power differences.
C.
For more assistance and greater support.
D.
For more trusting and friendly attitudes.
【单选题】I was surprised ______little birds could eat ______ many insects in ______ a short time.
A.
that so; so; such
B.
that so; such; such
C.
that such; so; so
D.
that such; so; such
【单选题】“不用谢”的正确英语表达是
A.
It doesn't matter
B.
You are welcome
C.
All right
D.
That's all right
【单选题】Cooperative social system approach believes that organizational goals should be compatible with ( ) .
A.
Economics
B.
Environment
C.
Politics
D.
Group behaviors
【单选题】Cooperative goals tend to shape
the “power with” orientation, even between superiors and subordinates. These goals induce higher expectations of all
but one of the following. Which one?
A.
To perform effectively and achieve common objectives.
B.
To reinforce or enhance existing power differences.
C.
For more assistance and greater support.
D.
For more trusting and friendly attitudes.
E.
For more persuasion and less c
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