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Cross-Over Distortion
Cross-Over Distortion

... In practice, there isn’t an exact “turn-on” voltage (VBE). Vbias is set slightly high so that there is a nonzero quiescent collector current. Each transistor will now conduct for slightly more than 180° - i.e. Class AB operation. ...
doc - Cornerstone Robotics
doc - Cornerstone Robotics

... Program the PIC16F88 with the program pic_as_sink.pbp. The conventional current goes from the +5 volt bus through the resistor R2 and LED and then sinks into the PIC pin RB0. In this case, when the PIC pin RB0 is programmed to go LOW (LOW 0) the LED turns on because the pin “sinks” the current into ...
181-7Z - Edwards Signaling
181-7Z - Edwards Signaling

... immediately before the load to limit the inrush current. The resistor can only be added in series with the last wire just before the load. The voltage drop and the power rating of the resistor must also be calculated as follows: Voltage drop = I • R Watts = I2 • R ( I = maximum continuous current of ...
LUDLUM MODEL 5 GEIGER COUNTER Revised July 1999 Serial
LUDLUM MODEL 5 GEIGER COUNTER Revised July 1999 Serial

Exercise 2 - DMCS Pages for Students
Exercise 2 - DMCS Pages for Students

... The aim of this exercise is to get acquainted with the thyristor (SCR and triac) and—based on the example of a triac-based AC/AC converter—to introduce the idea of semiconductor switch as well as of electronic converters working in switched mode. The investigated circuit will also give an opportunit ...
RF3374 GENERAL PURPOSE AMPLIFIER Features
RF3374 GENERAL PURPOSE AMPLIFIER Features

... Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Abs ...
II. Components of Vsc - Hvdc
II. Components of Vsc - Hvdc

TPPM0301 数据资料 dataSheet 下载
TPPM0301 数据资料 dataSheet 下载

... The TPPM0301 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V supply at the output capable of driving a 400-mA load. The TPPM0301 provides a regulated power output for systems that have multiple input sources and require a constant voltage source with a low-d ...
Probing Transistors at the Contact Level in Integrated Circuits
Probing Transistors at the Contact Level in Integrated Circuits

... Scanning electron microscopes (SEMs) and focused ion beam (FIBs) systems are widely employed to image and measure the results of different IC fabrication steps. SEMs and FIBs are ubiquitous to most fabs and are workhorse instruments for metrology and failure analysis. The Zyvex KZ100 prober, which i ...
Software Interface Document
Software Interface Document

Probing Transistors at the Contact Level in Integrated Circuits
Probing Transistors at the Contact Level in Integrated Circuits

... was used for biasing the probes and collecting the IC device drain current vs. drain source voltage (IDVDS) data. The system was equipped with four 4200-SMUs (source measurement unit) and triaxial cabling. The IDVDS curves were acquired with the mode set to “sweeping” and the speed setting of “fast. ...
isl8014 - ISL8014 - 4A Low Quiescent Current 1MHz High Efficiency
isl8014 - ISL8014 - 4A Low Quiescent Current 1MHz High Efficiency

KGA – AC Interference
KGA – AC Interference

U4501117122
U4501117122

... power factor. Voltage sags is a short time (10 ms to current at low voltage, and can be developed as a 1 minute) event during which a reduction in r.m.s voltage and frequency support by replacing voltage magnitude occurs [4]. It is often set only by capacitors with batteries as energy storage. [6, 7 ...
BD9870FPS
BD9870FPS

... Our Products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of any RO ...
[56] New“ Cm“ $351??? $11?` 32351351113252? 165E321
[56] New“ Cm“ $351??? $11?` 32351351113252? 165E321

... rived from the previous zero crossing of the input wave closed; changes in ignition timing accuracy relative to form and used to develop an accurate control voltage crankshaft position due to mechanical wear of the cam for application to control the initiation of current follower and other component ...
Fault Locating - The BEST Group
Fault Locating - The BEST Group

Electronics Devices and Circuits
Electronics Devices and Circuits

EE 1312227
EE 1312227

... main advantages of modern power electronic and electric power transmission and distribution. converters, such as high efficiency, low weight, The technological advances made in the field of small dimensions, fast operation, and high power power semiconductor devices over the last two densities, are ...
FAN6747 Highly Integrated Green-Mode PWM Controller FA
FAN6747 Highly Integrated Green-Mode PWM Controller FA

... peak-current output. It incorporates a cycle-by-cycle current limiting and two-level Over-Current-Protection (OCP) that can handle peak load with a debounce time. Once the current is over the threshold level, it triggers the first counter 15ms and checks if VDD is below 10V; if it is, the PWM latche ...
High Efficient Single Inductor Buck-Boost
High Efficient Single Inductor Buck-Boost

ADP1110 - Analog Devices
ADP1110 - Analog Devices

... less. Higher switch currents will reduce efficiency because of increased saturation voltage in the switch. High peak current also increases output ripple. As a general rule, keep peak current as low as possible to minimize losses in the switch, inductor and diode. ...
Infineon Solutions for Small Motor Applications
Infineon Solutions for Small Motor Applications

... Single chip solution: ensures outstanding reliability High sensitivity: can be used for large airgap applications South and north pole preinduction possible: works for both encoders and tonewheels High resistance to piezo effects: suits sensor overmolding wide operating temperature range C type with ...
Pololu - Understanding Destructive LC Voltage Spikes
Pololu - Understanding Destructive LC Voltage Spikes

MAX9613 Evaluation Kit Evaluates: General Description Features
MAX9613 Evaluation Kit Evaluates: General Description Features

... The device is a single-supply op amp that is ideal for differential sensing, noninverting amplification, buffering, and filtering. A few common configurations are shown in the next few sections. Noninverting Configuration The EV kit comes preconfigured as a noninverting amplifier with a gain of +11. ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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