Amplifier Circuits With Transistors

Practical Op Amp CircuitsPractical Op Amp Circuits

By Madeleine Catherine. Circuit. Publised at Tuesday, August 29th 2017, 06:39:51 AM. Electrical components such as resistors, capacitors, inductors, and transistors can all be represented by equivalent mechanical devices that support this analogy.

Component Boost And Drawing For Chopper Circuit ControlComponent Boost And Drawing For Chopper Circuit Control

By Charlotte Myriam. Circuit. Published at Sunday, December 24th 2017, 12:55:04 PM. Impedance essentially can be viewed as frequency-dependent resistance. While resistance of a circuit is the instantaneous ratio between voltage and current, impedance of a circuit is the ratio between voltage and current for steady-state sinusoidal signals, which can vary with of frequency. As the later parts of this section will show, the voltage and current caused by applying a steady-state sinusoidal signal to any combination of resistors, capacitors, and inductors, are related by a constant factor and a phase shift. Therefore, impedance can be expressed by a complex constant using an extended version Ohmâ€™s law.

Forward And Reverse Bias Definition Wiring DiagramForward And Reverse Bias Definition Wiring Diagram

By Bertille Solange. Diagram. Published at Sunday, December 24th 2017, 12:18:52 PM. In contrast to digital circuits, analog circuits use signals whose voltage levels are not constrained to two distinct levels, but instead can assume any value between Vdd and GND. Many input devices, particularly those using electronic sensors (e.g., microphones, cameras, thermometers, pressure sensors, motion and proximity detectors, etc.) produce analog voltages at their outputs. In modern electronic devices, it is likely that such signals will be converted to digital signals before they are used within the device. For example, a digital voice-memo recording device uses an analog microphone circuit to convert sound pressure waves into voltage waves on an internal circuit node. A special circuit called an analog-to-digital converter, or ADC, converts that analog voltage to a binary number that can be represented as a bus in a digital circuit. An ADC functions by taking samples of the input analog signal, measuring the magnitude of the input voltage signal (usually with reference to GND), and assigning a binary number to the measured magnitude. Once an analog signal has been converted to a binary number, a bus can carry that digital information around a circuit. In a similar manner, digital signals can be reconstituted into analog signals using a digital-to-analog converter. Thus, a binary number that represents a sample of an audio waveform can be converted to an analog signal that can, for example, drive a speaker.

Current Cmos To Ttl Circuit DiagramCurrent Cmos To Ttl Circuit Diagram

By Cyrielle Marjolaine. Circuit. Published at Sunday, December 24th 2017, 11:56:04 AM. A capacitor is a device that stores energy in the form of voltage. The most common form of capacitors is made of two parallel plates separated by a dielectric material. Charges of opposite polarity can be deposited on the plates, resulting in a voltage V across the capacitor plates. Capacitance is a measure of the amount of electrical charge required to build up one unit of voltage across the plates.

Flyback Converter Diode Schematic DiagramFlyback Converter Diode Schematic Diagram

By Madeleine Catherine. Diode. Published at Sunday, December 24th 2017, 09:15:37 AM. Semiconductor diodes can be designed to produce direct current (DC) when visible light, infrared transmission (IR), or ultraviolet (UV) energy strikes them. These diodes are known as photovoltaic cells and are the basis for solar electric energy systems and photosensors. Yet another form of diode, commonly used in electronic and computer equipment, emits visible light or IR energy when current passes through it. Such a device is the familiar light-emitting diode (LED).

Shunt In Ammeter Schematic LayoutShunt In Ammeter Schematic Layout

By Valentine Sybille. Diagram. Published at Sunday, December 24th 2017, 08:06:08 AM. Truly expansive schematics should be split into functional blocks. There might be a section for power input and voltage regulation, or a microcontroller section, or a section devoted to connectors. Try recognizing which sections are which, and following the flow of circuit from input to output. Really good schematic designers might even lay the circuit out like a book, inputs on the left side, outputs on the right.

Thevenin And Nortons Equivalent CircuitsThevenin And Nortons Equivalent Circuits

By Valentine Sybille. Circuit. Published at Sunday, December 24th 2017, 07:45:54 AM. Electric current is the rate at which electric charge flows through a given area. Current is measured in the unit of Coulombs per second, which is known as an ampere (A). In an electronic circuit, the electromagnetic problem of currents is typically simplified as a current flowing through particular circuit components.