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SPICE (Simulation Program for Integrated Circuits Emphasis) is a
SPICE (Simulation Program for Integrated Circuits Emphasis) is a

... The MOS transistor name (Mname) has to start with a M; ND, NG, NS and NB are the node numbers of the Drain, Gate, Source and Bulk terminals, respectively. By default, the node number 0 represents the GND node. ModName is the name of the transistor model (see further). L and W are the length and widt ...
SECTION 16322D - MEDIUM VOLTAGE TRANSFORMERS A
SECTION 16322D - MEDIUM VOLTAGE TRANSFORMERS A

... shall be connected Wye and grounded. Primary winding of oil insulated transformers shall be equipped with no load tap changing switch with two 2-1/2 percent taps above and four 2-1/2 percent below rated voltage. Primary windings of indoor dry type transformers shall be furnished with two 2-1/2 perce ...
Question 1 – Transfer Functions
Question 1 – Transfer Functions

... Consider a variety of filter configurations that can be analyzed with PSpice. All the resistors (except one) shown are 1k, all the inductors are 1mH and all the capacitors are 0.1uF. In general the components can assume any realistic value. Thus, in most of this problem, we will only assume that the ...
Automatic engine RPM control circuit description 3
Automatic engine RPM control circuit description 3

... Its Q output (pin 1) goes HIGH which turns ON transistor switch Q4 (BC547) and turns transistor Q3 (2N7000) OFF. The role of Q3 is to allow charge or discharge of capacitor C25 (1uF). The F/F’s output thus switches HIGH which is inverted to LOW by Q4. This LOW turns the clamp transistor Q3 OFF. Now ...
DMOS 1A Low-Dropout Regulator (Rev. G)
DMOS 1A Low-Dropout Regulator (Rev. G)

MAX11190 4-Channel, Dual, Simultaneous Sampling, 3mm x 3mm TQFN Package
MAX11190 4-Channel, Dual, Simultaneous Sampling, 3mm x 3mm TQFN Package

... The device features two dual, single-ended analog inputs connected to two ADC cores using 2:1 MUXs. The device also includes a separate supply input for data interface and dedicated inputs for reference voltage. This device operates from a 2.2V to 3.6V supply and consumes only 10.5mW at 3Msps. The d ...
AM26LV32 数据资料 dataSheet 下载
AM26LV32 数据资料 dataSheet 下载

Page 43, Foundation Electronics, Kemp
Page 43, Foundation Electronics, Kemp

... 69. A 800mW 5.1V zener diode is used in the circuit below to give a steady supply to an alarm system from a 12V car battery. ...
UNITY-GAIN STABLE WIDEBAND VOLTAGE LIMITING AMPLIFIER OPA698M FEATURES
UNITY-GAIN STABLE WIDEBAND VOLTAGE LIMITING AMPLIFIER OPA698M FEATURES

... output limiting architecture holds the limiter offset error to ±15 mV. The op amp operates linearly to within 30 mV of the output limit voltages. The combination of narrow nonlinear range and low limiting offset allows the limiting voltages to be set within 100 mV of the desired linear output range. ...
Evaluates:  MAX9390/MAX9391 MAX9390 Evaluation Kit General Description Features
Evaluates: MAX9390/MAX9391 MAX9390 Evaluation Kit General Description Features

... pins J5–J8 with shielded twisted-pair cables or differential probes. Pin 1 is the inverting signal (OUT_) and Pin 2 is the noninverting signal (OUT_). When testing the EV kit using differential probes or twisted pairs, populate resistor PCB pads R11–R18 with 49.9Ω (0603) surface-mount resistors. In ...
New Open LED Shunt Protection (LSP) Devices
New Open LED Shunt Protection (LSP) Devices

... achieve consistent and reliable operation. Designers may consider using a simple resistor as an approximation to a constant current supply. The example of the 11 LED string can be used to illustrate the potential problems with this strategy. If the designer selects a 48 V supply to provide the requi ...
2005 - thephysicsteacher.ie
2005 - thephysicsteacher.ie

ISL43210A - Intersil
ISL43210A - Intersil

AP1 FR Review Probs
AP1 FR Review Probs

... determine which gets more current from the same battery, the total resistance of each  circuit must be determined.  In the series circuit, the resistances are added together for a  total current of 2R.  In the parallel circuit, the resistance is the reciprocal of the sum of  the reciprocals of each  ...
SgLabs_HP 54701A
SgLabs_HP 54701A

Design of Microcontroller-Based Automatic School Bell
Design of Microcontroller-Based Automatic School Bell

SP-300 Brochure
SP-300 Brochure

... autoclaves, and in glove boxes. Thanks to portability and floating, on-site and in-stream corrosion experiments can be performed.The SP-2xx/SP-300 are supplied with a built-in calibration board. This allows the user to run a calibration routine as needed or when the most accurate measurement is dema ...
Custom Remote Annunciator
Custom Remote Annunciator

Neets Control – DelTa
Neets Control – DelTa

For predictive maintenance, grab a 5 kV tester
For predictive maintenance, grab a 5 kV tester

... equipped with high capacity rechargeable batteries and has a mobile charging adapter for dc charging. They also have battery life indicators so you know when the batteries are getting low. In addition, Fluke megohmmeters have two vital safety features not available on earlier generation insulation t ...
Modified Altec 1567A
Modified Altec 1567A

... 2. Output impedance is essentially independent of frequency. 3. These outputs work well into a very wide range of input impedances (albeit with different clip thresholds) from low (about 100 ohms) to very high (infinity, or open circuit). In contrast, a load resistor is often recommended when transf ...


PDF
PDF

MAX847EVKIT
MAX847EVKIT

... The MAX847 evaluation kit (EV kit) provides a platform for evaluating the features of the MAX847. The MAX847 converts a 1-cell, 0.8V to 1.8V battery voltage to four separate output voltages. The main output voltage at OUT is digitally controlled from 1.8V to 4.9V in 100mV steps by a 3-wire SPI™ seri ...
Simple Fire Alarm Circuits at Low Cost
Simple Fire Alarm Circuits at Low Cost

... thermistors of which one type of thermistor will increase its resistance with increase in temperature called as positive temperature coefficient and the other type of thermistor will decrease its resistance with increase in temperature called as negative temperature coefficient. In this project, we ...
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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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