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File lm1203 | allcomponents.ru
File lm1203 | allcomponents.ru

... less signal will be lost across the internal 40X resistor. Precautions must be taken to prevent the video output pin from going below ground because IC substrate currents may cause erratic operation. The collector currents from the video output transistors are returned to the power supply at VCC 2 p ...
Understanding of IC555 Timer and IC 555 Timer Tester
Understanding of IC555 Timer and IC 555 Timer Tester

... The IC was designed in 1971 by Hans Camenzind under contract to Signetics, which was later acquired by Philips (now NXP). Depending on the manufacturer, the standard 555 package includes 25 transistors, 2 diodes and 15 resistors on a silicon chip installed in an 8-pin mini dualin-line package (DIP-8 ...
Data Sheet
Data Sheet

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Basic Electronics
Basic Electronics

... se with increase in temperature. The minority charge carriers are also known as therm ally generated carriers and the reverse current depends on minority carriers only. Hence as the number of minority charge carriers increase, the reverse current would also increase with temperature as shown in the ...
AN1045/D
AN1045/D

... the start winding in capacitor start motors. In the simple series connection, both triacs operate with an identical leakage current which is less than that of either part operated alone at the same voltage. The voltages across the devices are the same only when their leakage resistances are identica ...
Electricity.pps
Electricity.pps

silicon_spec_layer2_5_v5
silicon_spec_layer2_5_v5

OPM-1038SW
OPM-1038SW

... The open fuse indicator status output acts very much like an on/off switch. With all three fuses in place and operating properly, this status output has a high resistance value of greater than ten mega-ohms. When one or more of the fuses are open, the status output becomes turned-on with a resistanc ...
FAN5234  Dual Mobile-Friendly PWM / PFM Controller FA
FAN5234 Dual Mobile-Friendly PWM / PFM Controller FA

... Since the tolerance on the current limit is largely dependent on the ratio of the external resistors, it is fairly accurate if the voltage drop on the switching node side of RSENSE is an accurate representation of the load current. When using the MOSFET as the sensing element, the variation of RDS(O ...
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Lecture 4: Meters and Power
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Tektronix MBD: Products > Current Measurement Systems AM5030
Tektronix MBD: Products > Current Measurement Systems AM5030

... reliable front-panel controls. The AM5030 uses the IEEE 488.1 bus standard. Using a simple command set, you can configure and confirm the settings of the amplifier or read the instrument's serial number. You can determine whether the current probe is open or closed, use bus commands to initiate ...
Data sheet Shirla All in one - fully automatic cable sheath testing
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LTC1872 Constant Frequency Current Mode Step-Up DC/DC Controller in SOT-23
LTC1872 Constant Frequency Current Mode Step-Up DC/DC Controller in SOT-23

... have to be paralleled to meet the ESR or RMS current handling requirements of the application. Aluminum electrolytic and dry tantalum capacitors are both available in surface mount configurations. An excellent choice of tantalum capacitors is the AVX TPS and KEMET T510 series of surface mount tantal ...
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eriii14_power_systems2
eriii14_power_systems2

... removed from a battery (or battery pack). o Usually expressed as a percentage of the total capacity of the battery. For example, 50% depth of discharge means that half of the energy in the battery has been used. o Some batteries, such as car batteries, are not made to be discharged very much before ...
Embedded 5 V-to-3.3 V Voltage Regulator For Supplying Digital Ic`s
Embedded 5 V-to-3.3 V Voltage Regulator For Supplying Digital Ic`s

Evaluation Board User Guide UG-055
Evaluation Board User Guide UG-055

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ESCC 2134000 (Resistors and Thermistors), [ARCHIVED]

... The maximum allowable dissipation between terminations (a) and (c) (see Symbols) of a variable resistor at an ambient temperature of +70˚C under conditions of the electrical operating life test at +70˚C which will result in a change in resistance not greater than that specified for that test. NOTES: ...
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... while clamping the minimum frequency above the audible range with Ultrasonic Mode. Switching frequency and over-current protection can be programmed to provide a flexible solution for various applications. Output over-voltage, undervoltage, over-current, and thermal shutdown protections help prevent ...
Joule`s heat generated during a short-circuit current flow in function
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... In order to evaluate the relation between phase angle and the let-through energy a test circuit was created (Fig. 3). Its main parts were a miniature circuit breaker, with nominal current of 16 amperes and B-type characteristic, an electromagnetic relay, used to close the circuit, and a synchronizat ...
Fluorescent Lamp Applications
Fluorescent Lamp Applications

... High Intensity Discharge (HID) Lamp Applications The HID lamp produces light by sustaining an arc between two electrodes in a gas-filled envelope. There are several different types of HID lamps which are characterized by the type of gas in the envelope. These include mercury vapor, metal halide, sod ...
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Parasitic Inductance Effect on Switching Losses for a High

... The steady decrease in IC system voltages along with the sharp rise in power requirements result in significant current being delivered from the power supply [1]. This trend coupled with the increase in switching speeds of power semiconductor devices, due to the technology transfer from bipolar to M ...
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INA125 数据资料 dataSheet 下载

... The input common-mode range of the INA125 is shown in the typical performance curves. The common-mode range is limited on the negative side by the output voltage swing of A2, an internal circuit node that cannot be measured on an external pin. The output voltage of A2 can be expressed as: ...
Circuit Note CN-0209
Circuit Note CN-0209

... ADC. The AD8676 amplifier buffers the inputs before the gain stage. The AD8275 is used to level shift the input signal and provides gain so that it matches the input range of the AD7193. The AD8275 output is biased with a common-mode voltage connected to its REF pin. This voltage is generated by the ...
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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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