The passive components used in electronic circuits all make use of one or more of the
three fundamental phenomena of resistance, capacitance and inductance. Some components
depend for their operation on the interaction between one of these electrical properties
and a mechanical property, e.g. crystals used as frequency standards, piezo-electric
sounders, etc. The following sections look at components particularly in the light of
their suitability for use at RFs, and at how they can be inter-connected for various
I think of myself as an educator rather than an engineer. And it has
long seemed to me that, as educators, we should endeavor to bring
to the student not only as much information as possible, but we
should strive to make that information as accessible as possible,
and as inexpensive as possible.
The technology of the Internet and the World Wide Web now allows
us to virtually give away knowledge! Yet, we don’t, choosing
instead to write another conventional text book, and print, sell, and
use it in the conventional manner.
The Industrial Hydraulics Manual is a color-illustrated hardbound textbook with more than 600 pages of information. It covers a range of topics related to hydraulics and electrohydraulics, including basic hydraulics principles, electricity and electronics, amplifiers, cartridge valves and circuits. The appendices of the manual feature commonly used formulae, conversion charts and on-the-job reference tools, such as tables and illustrations. The Industrial Hydraulics Manual also includes a chapter focused on the operation of industrial hydraulic circuits and injection molding systems.
Operational Amplifier Circuits
6.002 Fall 2000
Operational amplifier abstraction + –
∞ input resistance 0 output resistance Gain “A” very large
Building block for analog systems We will see these examples: Digital-to-analog converters Filters Clock generators Amplifiers Adders Integrators & Differentiators Reading: Chapter 15.5 & 15.6 of A & L.
6.002 Fall 2000
• Ac current gain = độ lợi dòng ac • Ac emitter resistance = điện trở ac ở cực phát • Ac equivalent circuit = mạch tương đương ac • Base-biased amplifier = mạch khuếch đại được phân cực nền ề • Bypass capacitor = tụ vòng qua, rẽ mạch, bỏ qua • CB amplifier= mạch KĐ B chung p ạ g • CC amplifier= mạch KĐ C chung
Từ Vựng (2)
• • • • • • CE amplifier= mạch KĐ E chung Coupling capacitor = tụ ghép DC current gain = độ lợi dò DC t i l i dòng...
Ac collector resistance = điện trở AC ở cực thu Ac emitter feedback = hồi tiếp AC ở cực phát Cascading = nối xâu chuỗi Feedback resistor = điện trở hồi tiếp ồ ế Swamped amplifier = mạch KĐ được che khuất (re’) p p ( ) Swamping = che khuất, làm mất tác dụng Total voltage gain = độ lợi áp toàn phần Two-stage feedback = hồi tiếp 2 tầng Voltage gain = độ lợi áp
Nội dung chương 10
1. 2. 3. 3 4. 5. 6. 6 Độ lợi áp ộ ợ p Hiệu ứng gánh tải của tổng trở...