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taa4100 four channel class-t digital audio amplifier
taa4100 four channel class-t digital audio amplifier

... Supply decoupling for the high current full-bridge supply pins. These components must be located as close to the power supply pins as possible to minimize output ringing which causes power supply overshoot. By reducing overshoot, these capacitors maximize the TAA4100 reliability. These capacitors sh ...
AN45 - Measurement and Control Circuit Collection
AN45 - Measurement and Control Circuit Collection

... demodulated by S3 and S4. Because these switches are synchronously driven with the input chopper, proper amplitude and polarity information is presented to A2, the DC output amplifier. This stage integrates the square wave into a DC voltage, providing the output. The output is divided down (R2 and R ...
MAGTROL DES 310 and DES 311 Power Supplies DES
MAGTROL DES 310 and DES 311 Power Supplies DES

... general alarm is signalled by means of relay contacts. For applications with tandem dynamometers, the DES 310/ DES 311 units also control the power supply of the electromagnetic clutch. Supply Voltage The supply voltage of the DES 310/DES 311 can be selected to allow operation at either 230 VAC or 1 ...
Zero-current zero-voltage transition inverters with
Zero-current zero-voltage transition inverters with

... leakage inductance (LK) in the secondary branch and the parallel connection of the current controlled current source NiLk with the magnetising inductance (LM) in the primary branch. These inverters are unique in that because they are implemented with a non-resonant auxiliary circuit, Class A AVS [9] ...
Tektronix PS280 User Manual
Tektronix PS280 User Manual

... descriptions and procedures in this manual apply to both instruments. Front panel switches select one of three modes of operation: H Independent — In this mode, the output voltage and current of each supply can be controlled independently. H Series — In this tracking mode, the variable outputs are c ...
A Broadband 10-GHz Track-and-Hold in Si/SiGe HBT Technology , Student Member, IEEE,
A Broadband 10-GHz Track-and-Hold in Si/SiGe HBT Technology , Student Member, IEEE,

... most exacting requirements on linearity and noise, in addition to the extremely wide bandwidth requirements. At the same time, the increasing bandwidths of these systems put a greater demand on the digital conversion of the received signal; the analog-to-digital-converter (ADC) must operate at a hig ...
AB03 Common Base PNP Transistor Characteristics
AB03 Common Base PNP Transistor Characteristics

... AB03 is a compact, ready to use Transistor Characteristics experiment board. This is useful for students to plot different characteristics of PNP transistor in common base configuration and to understand various region of operation of PNP transistor. It can be used as stand alone unit with external ...
Preliminary Detail of Signal Input/Output Terminals
Preliminary Detail of Signal Input/Output Terminals

... The VB(*) voltage, which is the voltage difference between VB(U,V,W) and U,V,W, provides the supply to the HVICs within the IPM. This supply must be in the range of 13.0~18.5V to ensure that the HVICs can fully drive the upper side IGBTs. The IPM includes UV function for the VB(*) to ensure that the ...
Basis for Kelvin Contacts
Basis for Kelvin Contacts

... Accurate Voltage Measurement When device voltages are required to be measured very accurately, the Kelvin socket can be used to insure that inaccuracies caused by device current or interface resistances are minimized. An example of this is the need to measure the output voltage of a voltage regulat ...
PPT
PPT

2SAR562F3
2SAR562F3

... 3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating char ...
PDF RFoG and RFPON ONU (R-ONU)
PDF RFoG and RFPON ONU (R-ONU)

AMS2907 数据手册DataSheet 下载
AMS2907 数据手册DataSheet 下载

... Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Note 2: Line and Load regulation are guarantee ...
OPA4872-EP 数据资料 dataSheet 下载
OPA4872-EP 数据资料 dataSheet 下载

... System power may be optimized using the chip-enable feature for the OPA4872. Taking the chip enable (EN) line high powers down the OPA4872 to less than 3.4 mA total supply current. Further power reduction to 1.1mA quiescent current can be achieved by bringing the shutdown (SD) line high. Muxing mult ...
4-Channel Regulated Charge Pump White LED Driver
4-Channel Regulated Charge Pump White LED Driver

... An external resistor RSET controls the output current level. LED currents of up to 30 mA are supported over a range of input supply voltages from 3 V to 5.5 V, making the device ideal for battery-powered applications. LED dimming can be accomplished by several methods including using a DC voltage to ...
GR-17-01 - GRid-connected Advanced Power Electronics Systems
GR-17-01 - GRid-connected Advanced Power Electronics Systems

Manual-PM-PM-12-45 w/CFB and TCS8.indd
Manual-PM-PM-12-45 w/CFB and TCS8.indd

... as a battery charger. Regula­tion at this terminal is 2 % line/ load. Note: When the PM is used in a parallel n+1 redundant configuration, output current is derated by 10 % due to current sharing tolerances (see SPECIFICATIONS section). “V2” (+) Terminal: This is a direct output without the internal ...
Analysis and Design of a High Voltage Flyback
Analysis and Design of a High Voltage Flyback

... Flyback converters have been widely used because of their relative simplicity and their excellent performance for multoutput applications. They can save cost and volume compared with the other converters, especially in low power applications. In a flyback converter, a transformer is adopted to achie ...
TPS54372 数据资料 dataSheet 下载
TPS54372 数据资料 dataSheet 下载

... injected between the two grounds can degrade the performance of the TPS54372, particularly at higher output currents. Ground noise on an analog ground plane can also cause problems with some of the control and bias signals. For these reasons, separate analog and power ground traces are recommended. ...
Universal Power Adapter for Mobile Devices IEEE P1823 UPAMD
Universal Power Adapter for Mobile Devices IEEE P1823 UPAMD

Lecture_High speed DAC
Lecture_High speed DAC

... provide complete interface with analog sensors and output devices for control systems such as those used in• A DAC, on the other hand, inputs a binary number and outputs an analog automotive engine controls: voltage or current signal. In block diagram form, it looks like this: ...
Alternating Current Motors
Alternating Current Motors

... • AC motors are primarily used as a source of constant-speed mechanical power but are increasingly being used in variable speed-control applications. • Advantages: They are popular because they can provide rotary power with high efficiency, low maintenance, and exceptional reliability—all at relativ ...
Complete Paper
Complete Paper

Mobile Phone Testing using Impedance Tuners
Mobile Phone Testing using Impedance Tuners

... - Set Frequency/Channel - Set required BER (2% or other) - Set VSWR magnitude and phase - Set DC voltage Measure sensitivity of phone for given BER as function of VSWR magnitude and phase ...
Ch 7 Troubleshooting Slides 042909
Ch 7 Troubleshooting Slides 042909

... • First discharge battery for five minutes • Then start engine & check for high resistance connection between alternator & battery • Voltage drop over 0.5 VDC needs to be fixed; or over 1.0 VDC if there are charging diodes  Check both positive and negative circuit  Clean and tighten the bad connec ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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