History of HVDC transmission
... From 1975 to 2000 arc valves were replaced by so-called line-commutated converters (LCC) using simple thyristor valves with gates activated by line voltage. According to Sood,[13] the next 25 years may well be dominated by "force commutated converters" (i.e., thyristor or thyristor-like semiconducto ...
... From 1975 to 2000 arc valves were replaced by so-called line-commutated converters (LCC) using simple thyristor valves with gates activated by line voltage. According to Sood,[13] the next 25 years may well be dominated by "force commutated converters" (i.e., thyristor or thyristor-like semiconducto ...
RLC circuits
... At time t = 0–, assume the circuit has been stable for a long time, causing derivative values to become zero: dvC (t) di (t) = 0 and L = 0 dt dt This means that iC (t = 0- ) = 0 A and v L (t = 0- ) = 0 V , which in turn means that a C looks like an open circuit and an L looks like a wire. Thus, the ...
... At time t = 0–, assume the circuit has been stable for a long time, causing derivative values to become zero: dvC (t) di (t) = 0 and L = 0 dt dt This means that iC (t = 0- ) = 0 A and v L (t = 0- ) = 0 V , which in turn means that a C looks like an open circuit and an L looks like a wire. Thus, the ...
Input, output and control characteristic of a transistor
... Transistors have revolutionised the world of electronics ever since they were introduced after the second World War. Their ever decreasing size and their tremendous versatility have made them into the most useful and important electronic components in existence. In the current course we will be deal ...
... Transistors have revolutionised the world of electronics ever since they were introduced after the second World War. Their ever decreasing size and their tremendous versatility have made them into the most useful and important electronic components in existence. In the current course we will be deal ...
Switchmode Cathodic Protection Rectifiers
... Switchmodes, at their optimum efficiency, perform well in small enclosures within ambient temperatures of up to 158°F (70°C). A heat run was conducted in an enclosure with no ventilation at full load and over a period of 11 hours. The inside enclosure temperature was recorded against the ambient tem ...
... Switchmodes, at their optimum efficiency, perform well in small enclosures within ambient temperatures of up to 158°F (70°C). A heat run was conducted in an enclosure with no ventilation at full load and over a period of 11 hours. The inside enclosure temperature was recorded against the ambient tem ...
Triple Differential Driver With Sync-On-Common-Mode AD8134
... The AD8134 is a major advancement beyond using discrete op amps for driving differential RGB signals over twisted pair cable. The AD8134 is a triple, low cost differential or singleended input to differential output driver, and each amplifier has a fixed gain of 2 to compensate for the attenuation o ...
... The AD8134 is a major advancement beyond using discrete op amps for driving differential RGB signals over twisted pair cable. The AD8134 is a triple, low cost differential or singleended input to differential output driver, and each amplifier has a fixed gain of 2 to compensate for the attenuation o ...
FMS6346E Six-Channel, Selectable SD / HD Video Filter Driver with Disable
... 150mV; therefore VOUT = 2•VIN DC+150mV. This offset is required to obtain optimal performance from the output driver and is held at the minimum value to decrease the standing DC current into the load. Since the FMS6346E has a 2 x (6dB) gain, the output is typically connected via a 75Ω series back-ma ...
... 150mV; therefore VOUT = 2•VIN DC+150mV. This offset is required to obtain optimal performance from the output driver and is held at the minimum value to decrease the standing DC current into the load. Since the FMS6346E has a 2 x (6dB) gain, the output is typically connected via a 75Ω series back-ma ...
STEVAL-ISA008V1
... used to supply an LCD monitor or even an LCDTV, with 15" or 17" panels and 2 lamps for backlight together with multimedia functions such as audio. The SMPS accepts a full range input voltage (90 to 265 Vrms) and can deliver four output voltages dedicated to the scaler (3.3 V), to the mP (7 V), to th ...
... used to supply an LCD monitor or even an LCDTV, with 15" or 17" panels and 2 lamps for backlight together with multimedia functions such as audio. The SMPS accepts a full range input voltage (90 to 265 Vrms) and can deliver four output voltages dedicated to the scaler (3.3 V), to the mP (7 V), to th ...
DCM R Series True RMS Digital Clampmeters DESCRIPTION
... inserting a shunt resistor or a current transformer has inherent disadvantages, such as the necessity to break the circuit conductor. The modern, competitively priced Hall effect DCM R series clamp-on multimeters offer the user many advantages including the measurement of d.c. currents and non-sinus ...
... inserting a shunt resistor or a current transformer has inherent disadvantages, such as the necessity to break the circuit conductor. The modern, competitively priced Hall effect DCM R series clamp-on multimeters offer the user many advantages including the measurement of d.c. currents and non-sinus ...
A 3MPixel Multi-Aperture Image Sensor with 0.7um Pixels in 0.11um
... the CCD pixel arrays are transferred one row at a time to the frame buffers using ripple charge transfer. A 2V potential difference between electrodes is used to achieve complete transfer between stages. Frame buffer readout is performed while a new INTEGRATION cycle takes place after a FLUSH cycle. ...
... the CCD pixel arrays are transferred one row at a time to the frame buffers using ripple charge transfer. A 2V potential difference between electrodes is used to achieve complete transfer between stages. Frame buffer readout is performed while a new INTEGRATION cycle takes place after a FLUSH cycle. ...
Application of Multifrequency Pulsing in Switching
... further reduces the plate current, thereby producing a "snap" action to insure rapid and positive operation of the relay armature to the front contact. The reduction in plate current by this means is sufficient to prevent the release of the relay, even though the signal is subsequently removed. Thus ...
... further reduces the plate current, thereby producing a "snap" action to insure rapid and positive operation of the relay armature to the front contact. The reduction in plate current by this means is sufficient to prevent the release of the relay, even though the signal is subsequently removed. Thus ...
LP3879 - Texas Instruments
... The output capacitor ESR forms a zero which is required to add phase lead near the loop gain crossover frequency, typically in the range of 50kHz to 200 kHz. The ESR at lower frequencies is of no importance. Some capacitor manufacturers list ESR at low frequencies only, and some give a formula for D ...
... The output capacitor ESR forms a zero which is required to add phase lead near the loop gain crossover frequency, typically in the range of 50kHz to 200 kHz. The ESR at lower frequencies is of no importance. Some capacitor manufacturers list ESR at low frequencies only, and some give a formula for D ...
CHAPTER 2 OPERATIONAL AMPLIFIERS
... Op amp is very popular because of its versatility Op amp circuits work at levels that are quite close to their predicted theoretical performance The op amp is treated a building block to study its terminal characteristics and its applications ...
... Op amp is very popular because of its versatility Op amp circuits work at levels that are quite close to their predicted theoretical performance The op amp is treated a building block to study its terminal characteristics and its applications ...
Isolation Transformers Increase Safety of Electronic Systems
... Thermal design is simplified in the same way, since heat is distributed throughout the system, rather than concentrated in one location. Even though isolated DC-to-DC converters can be used to achieve high isolation in such a modular, distributed-power architecture, they are expensive compared to no ...
... Thermal design is simplified in the same way, since heat is distributed throughout the system, rather than concentrated in one location. Even though isolated DC-to-DC converters can be used to achieve high isolation in such a modular, distributed-power architecture, they are expensive compared to no ...
KSD169 1 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings
... reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ...
... reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ...
Synchronous Motor
... Synchronous Motor Starting • Get motor to maximum speed (usually with no load) ...
... Synchronous Motor Starting • Get motor to maximum speed (usually with no load) ...
COMBOLIGHT Remodel Recessed Trimless - 12V AR70 - 6 Light
... beveled “knife-edge” lips to ensure a clean edge. Can accommodate various ceiling thickness. B.... System Protection: Thermal protection provided to guard against overheating and misuse of insulation over and around fixture. Vent holes in housing provide cooler operation. C.... Junction Box Junction ...
... beveled “knife-edge” lips to ensure a clean edge. Can accommodate various ceiling thickness. B.... System Protection: Thermal protection provided to guard against overheating and misuse of insulation over and around fixture. Vent holes in housing provide cooler operation. C.... Junction Box Junction ...
COMBOLIGHT Remodel Recessed Trimless - 12V AR70 - 4 Light
... beveled “knife-edge” lips to ensure a clean edge. Can accommodate various ceiling thickness. B.... System Protection: Thermal protection provided to guard against overheating and misuse of insulation over and around fixture. Vent holes in housing provide cooler operation. C.... Junction Box Junction ...
... beveled “knife-edge” lips to ensure a clean edge. Can accommodate various ceiling thickness. B.... System Protection: Thermal protection provided to guard against overheating and misuse of insulation over and around fixture. Vent holes in housing provide cooler operation. C.... Junction Box Junction ...
Opto-isolator
In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.