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OT 180/120…277/700 P5
OT 180/120…277/700 P5

... _ In case the input voltage of the load exceeds the output voltage range of the driver, it automatically reduces the output current to keep the output voltage controlled to the maximum allowed output voltage. _ The driver automatically reduces the output current in case the maximum allowed output po ...
Infra Red Remote Control Extender
Infra Red Remote Control Extender

... available from Maplin, order code CY90X. This photodiode is very sensitive and will respond to a wide spectral range of IR frequencies. There is a small amount of infra red in direct sunlight, so make sure that the diode does not pick up direct sunlight. If this happens, LED1 will be constantly lit ...
Electrical Systems for Fifth Grade
Electrical Systems for Fifth Grade

... Make the circuit using the 1000-Ohm resistor. In parallel and Series. Before you try it, do you think the light will be brighter or dimmer than the 100-Ohm circuit?________________ Now test it. Was your guess correct?________________ Make the circuit using the 10-Ohm resistor. In parallel and Series ...
Multi-functional Packaged Antennas for Next
Multi-functional Packaged Antennas for Next

... maintaining a constant bias to the base irrespective of changes in . This can be done by choosing the resistors so that the base current is a small fraction of the total current flowing through them • Also, since the base in not directly connected to the supply or ground an ac signal can be easily ...
Instruction Manual
Instruction Manual

MVS- 4000 Machine Vision Strobe
MVS- 4000 Machine Vision Strobe

... produces high intensity, short duration light pulses for industrial vision applications. Operated in conjunction with a CCD/CID solid state video camera, this unit front-lights or back-lights objects, freezes motion, and eliminates blur, thus enhancing image quality. ...
SunCore EnSphere Product Brief
SunCore EnSphere Product Brief

... PHOTOVOLTAIC (PV) PANEL The inside proprietary technology enables the PV cells to transfer a greater amount of energy within the PV panel. Combined the PV panel becomes responsible for a spectral sensitivity range of 300 to 1200 nanometers—well beyond the visible light spectrum—including infrared an ...
DC – DC CONVERTER (DC ‐ CHOPPER
DC – DC CONVERTER (DC ‐ CHOPPER

... • Choppers are widely used in trolley cars,battery operated vehicles, traction motor control,control of large number of dc motors, etc….. • They are also used in regenerative braking of dc motors to return energy back to supply and also as dc voltage regulators. ...
Miniproject - UniMAP Portal
Miniproject - UniMAP Portal

... voltage ratings and excellent current saturation capability. The ECT represents a new concept to realize the control of thyristor, which is different from the MCT and EST. There are two major requirements in an ECT. An ECT must have an emitter switch in series with the thyristor, and an emitter-shor ...
Poster
Poster

... cutoff signal if any warning conditions are met. If there are no problems detected, the controller sends a pulse width modulation (PWM) whose period is determined by the number of cells and the overall charge on the battery packs. ...
INTERNETWORKING I
INTERNETWORKING I

... What is used for the safety ground connection on a PC? the chassis of the computer is usually used as the safety ground, but any exposed metal part will work. What is a multimeter? a piece of testing equipment used for measuring voltage, current, resistance, and other electrical qualities. How do yo ...
word
word

... _ ...
Chapter 11 Amplifiers: Specifications and External Characteristics
Chapter 11 Amplifiers: Specifications and External Characteristics

... 3. Understand the importance of input and output impedances of amplifiers. 4. Determine the best type of ideal amplifier for various applications. 5. Specify the frequency-response requirements for various amplifier applications. ...
this is a practice assessment
this is a practice assessment

powerpoint - Batesville Community School
powerpoint - Batesville Community School

Thesis Report
Thesis Report

... in a circuit with only a single input threshold. With only one input threshold, a noisy input signal near that threshold could cause the output to switch rapidly back and forth from noise alone. A noisy Schmitt Trigger input signal near one threshold can cause only one switch in output value. ...
Smart Materials: The light bulb
Smart Materials: The light bulb

... coiled wire (coil size can vary, but ¼ inch coils works great) held by lab supports as shown in the figure. The metal used should withstand high enough temperatures so that a bright light can be seen at high voltages without it falling apart. A chromel alloy, used in thermocouples, is very suitable. ...
5B42 数据手册DataSheet 下载
5B42 数据手册DataSheet 下载

... field-side over-voltage faults. The module withstands 240 V rms at the input terminals without damage, thereby shielding the internal computer-side circuitry from field-side over-voltage conditions. In addition, the 5B42 is mix-and-match and hotswappable with all other 5B Series modules, so can be i ...
EUP2595  32V Step-Up Converters for Two to Nine White LEDs
EUP2595 32V Step-Up Converters for Two to Nine White LEDs

... The EUP2595 enter shutdown when VCTRL is less than 100mV for more than 8.2ms. In shutdown, supply current is reduced to 0.3µA by powering down the entire IC except for the CTRL voltage-detection circuitry. CCOMP is discharged during shutdown, allowing the device to reinitiate soft-start when it is e ...
Lab 6
Lab 6

... where C is a constant, aH+ is the activity of the hydronium ion (often taken to be equal to the molar concentration [H+]), and the calibration sensitivity (slope of voltage vs. pH) is often quoted as 59.2 (or 60) mV/pH unit. Both the constant and the slope of the response are expected to depend on t ...
Charge, Current, Voltage, & Resistors
Charge, Current, Voltage, & Resistors

... Theory: Voltage • Voltage is the driving force behind current • Voltage is the electrical potential energy a charge has due to its position in space • potential energy per unit of charge • "path independent“ • Voltage is measured in Joules/Coulomb or Volts (V) • A Joule to the unit of energy • Posi ...
lite-on technology corporation
lite-on technology corporation

Datasheet - Technobots
Datasheet - Technobots

... supply and draw typically 60 mA of power supply drain current over a wide range of power supply voltages. Operation from split supplies is also possible and the ultra-low power supply drain current is independent of the power supply voltage. These comparators also feature a common-mode range which i ...
3B40 数据手册DataSheet 下载
3B40 数据手册DataSheet 下载

... Output modules accept 0 to +10V (or +10V) single-ended signals and provide an isolated 4-20 mA (or 0-20 mA) process signal. All modules feature a universal pin-out and may be readily hot-swapped under full power and interchanged without disrupting field wiring. The Analog Devices 3B Series Signal Co ...
Lecture 1 - University of Minnesota Duluth
Lecture 1 - University of Minnesota Duluth

... – Voltage: Sum the voltages around a loop to Zero – Current: Sum the currents around a node to Zero ...
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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.
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