電晶體的共基極(ＣＢ)、共射極(ＣＥ)、共集極(ＣＣ)三種組態中，下列敘述何者有誤？(A) 共集極的輸入阻抗最低(B) 共基極的電流增益最低(C) 共集極的電壓增益最低(D) 共射極的功率增益

問題詳情

38. 電晶體的共基極(ＣＢ)、共射極(ＣＥ)、共集極(ＣＣ)三種組態中，下列敘述何者有誤？
(A) 共集極的輸入阻抗最低
(B) 共基極的電流增益最低
(C) 共集極的電壓增益最低
(D) 共射極的功率增益最高

參考答案

答案：A
難度：困難0.3
書單：沒有書單，新增

內容推薦

鉛蓄電池之標準放電電流係以多少小時為單位來計算？(A) 10小時(B) 2小時(C) 8小時(D) 24小時
下圖所示之國際信號旗為何？ (A) C(B) E(C) I(D) M
The bridge is fitted __________ two radars.(A) before(B) with(C) from(D) on
Stand by on VHF channel 13 until the pilot transfer completed.(A) Watch on VHF CH 13 until pilot
For STCW competence requirement, who shall liable for the burden of proof?(A) Ship owner(B) Seafa
The color of portside navigation light is:(A) Yellow(B) White(C) Green(D) Red
Your vessel is proceeding parallel with a coastal line, your speed is 15 knots and distanceto coa
某船抵埃及港口「Port Said」欲過運河，因沙塵暴影響，視線很差，為引導引航員上船，可鳴放何英文單字母之信號？(A) G(B) H(C) R(D) T
船舶海上遇險搜救過程中，搜救協調中心(RCC)之助要任務為何？(A) 接收警報(B) 警報轉送(C) 測定船位(D) 搜救作業
GMDSS系統中，下列何種通信設備採用5GHZ的頻率操作？(A) SART(B) EPIRB(C) INMARSAT-C(D) NAVTEX
By SMCP, Which of the following statements is TRUE？(A) ADVICE.Anchor in anchorage B 3(B) You cou
How many life buoys __________ on board with self-igniting light?(A) there exist(B) there is(C)
M. V. Utopia is on _____ after explosion.(A) fire(B) time(C) deck(D) schedule
船舶通信依「國際信號規則(ICS)」之規定，試問「I wish to communicate with you」，是下列何「單字母」之信號？(A) C(B) E(C) K(D) V
「摩爾斯碼信號」中，「‧‧‧‧(點、點、點、點)」代表何信號？(A) H(B) K(C) M(D) X
The term “any vessel fishing with nets, trawls or other fishing apparatus which restrictmanoeuvr
Please proceed to the Western Quarantine Anchorage and drop anchor 240 degrees 3miles from the e
How often magnetic compass should be calibrated to determine its deviation?(A) Annually.(B) Bian
A: I have dropped anchor at 1415 hours, position 070 degrees 5 Nms from thenorthbank lighthous
______ is the line at a ship's side formed by the surface of water at a specific draught.(A
______ at the pilot station is 0900 hours for the pilot to embark the vessel for calling atPort
Anchoring in this area is prohibited. Please ____ the anchors.(A) drag(B) heave up(C) let go(D)
For ship position, which one of the observe position is the most accuracy ?(A) EP position(B) Ta
有關於天氣狀況「煙霧」，在航海日誌所用之英文為下列何者？(A) Haze(B) Rain(C) Showers(D) Thunder
於GMDSS系統中，下列何種通信設備，其操作頻率為406MHZ？(A) VHF DSC(B) HF DSC(C) INMARSAT-C(D) EPIRB