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EDN电子技术设计
26 天
数字电位器效果能与机械电位器齐平?90dB范围内的增益轻松控制
V7zednc 以下是一些负阻计算。注意Vp#=A2引脚#处的电压信号。V7zednc 令Iw=滑动电阻信号电流,则 Vp6 = Vp2 – R4*Iw Vp2 = Vp3 (negative feedback) Vp3 = Vp6/2 (positive feedback) Vp6 = Vp6/2 – R4*Iw Vp6 – Vp6/2 = Vp6/2 = -R4*Iw Vp6 = ...
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27 天
变量+齿轮泵中国台湾KEILETO凯利通变量叶片泵
包括各类 SQP432-50-21-10-86CCC-18、SQP432-50-21-12-86CCC-18 SQP432-50-21-14-86CCC-18、SQP432-50-21-15-86CCC-18 SQP432-50-21-17-86CCC-18、SQP432-50-21-19-86CCC-18 ...
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Shooting suspect left note
Alabama mass shooting
Makes emergency landing
Ga. suspect's mom indicted
1951 kidnap victim found
Astronauts return to Earth
SpaceX plans Mars missions
Daylight saving time
Robinson loses key staff
To meet Vietnamese pres
Visits US ammunition plant
Released after guilty plea
No govt. shutdown for now
J&J unit files for bankruptcy
California plastic bag ban
Tech ban proposed
No. 1 at box office again
Dolphins legend Morris dies
Donlon's homes searched
Economic speech this week
Former WA governor dies
CA bill to protect kids online
CA firefighter held for arson
San Francisco homelessness
ISR raids Al Jazeera office
Iran coal mine blast
PM Modi visits US
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