《模拟电子技术1098》18春在线作业1-0001

adminhan

<img height="255" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/ed3e10d3-bfe8-44bb-a3b5-1725b644a8e4/200811121475291.GIF" />A
A:A
B:B
C:C
D:D

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A:微分运算电路
B:积分运算电路
C:对数运算电路
D:比例运算电路

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A:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070327/a0eb288b.JPG"></IMG>
B:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070327/021ae57c.JPG"></IMG>
C:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070327/c99b701e.JPG"></IMG>
D:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070327/b4e84ed9.JPG"></IMG>

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A:1V
B:-1V
C:1.2V
D:-1.2V

<img height="227" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/10d4f190-7158-4a8e-81e7-6912c7d12b39/2008111214339285.GIF" />a
A:A
B:B
C:C
D:D

PN结加反向偏置时，空间电荷区（ &nbsp;） <br /><br />
A:变宽
B:变窄
C:不变
D:不确定

<img height="255" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/8eff643d-34da-44a6-a766-64a65f7ed33e/2008111214720685.GIF" />A
A:A
B:B
C:C
D:D

<img height="86" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/0ee2dcf0-e2ae-4f9a-be34-92f0e48c02a8/2008111214530639.GIF" />A
A:A
B:B
C:C
D:D

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A:D1导通，D2导通
B:D1导通，D2截止
C:D1截止，D2导通
D:D1截止，D2截止

<img height="105" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/741ae074-858b-48b3-8337-8f3c596df95a/200811121426166.GIF" />A
A:A
B:B
C:C
D:D

<img height="211" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/0554dcb1-2591-4910-b2c5-4a9a54e0413f/2008111214855981.GIF" />A
A:A
B:B
C:C
D:D

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A:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070515/726e77ac.JPG"></IMG>
B:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070515/efad6d99.JPG"></IMG>
C:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070515/5d37492c.JPG"></IMG>
D:<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/jiaoxuecd/20070515/4a4c6ac9.JPG"></IMG>

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A:错误
B:正确

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A:错误
B:正确

差动放大电路的放大倍数越大，抑制零漂作用越强。
A:错误
B:正确

<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/jiaoxuecd/20070515/c753cd45.JPG"></IMG>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes">&nbsp;<img height="86" width="576" alt="" src="http://file.open.com.cn/ItemDB/12537/e715663d-e0ac-44f5-9794-059e3b1c32eb/20081112141428839.GIF" />A</span></span>
A:错误
B:正确

共射极放大电路既有电压放大作用，又有电流放大作用。
A:错误
B:正确

放大电路的三种组态都有电压放大作用。
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">放大电路在高频信号作用下放大倍数下降的原因<v:line id="_x0000_s1026" style="Z-INDEX: 1; LEFT: 0px; POSITION: absolute; TEXT-ALIGN: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: text" strokecolor="white" to="315pt,0" from="4in,0"></v:line>是晶体管极间电容和分布电容的影响。</span>
A:错误
B:正确

在桥式整流电路中接入电容滤波后，输出直流电压较未加电容时变小。
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">双极型三极管的发射极和集电极不能互换使用，结型场效应管的源极和漏极是由同一种杂质半导体中引出，可以互换使用。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span>
A:错误
B:正确

串联反馈可以提高输入电阻，并联反馈可以减小输入电阻。
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">在功率放大器电路中，输出功率最大时，功放管的功率功耗也最大。</span>
A:错误
B:正确

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A:错误
B:正确