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DM74LS181 4-Bit Arithmetic Logic Unit
DM74LS181 4-Bit Arithmetic Logic Unit

... ADD mode, P indicates that F is 15 or more, while G indicates that F is 16 or more. In the SUBTRACT mode, P indicates that F is zero or less, while G indicates that F is less than zero. P and G are not affected by carry in. When speed requirements are not stringent, it can be used in a simple ripple ...
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LT1011/LT1011A - Voltage Comparator

... Oscillation problems in comparators are nearly always caused by stray capacitance between the output and inputs or between the output and other sensitive pins on the comparator. This is especially true with high gain bandwidth comparators like the LT1011, which are designed for fast switching with m ...
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EVALUATION AND DESIGN SUPPORT
EVALUATION AND DESIGN SUPPORT

... Power for the upstream USB connector is derived from the 5 V VBUS voltage available on the USB cable. The bus voltage also drives an ADuM5000, which is used to create a VBUS2 voltage for the downstream side of the ADuM4160 with up to 100 mA of power for the peripheral. The ADuM5000 was chosen for it ...
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18-1through18-3_Battery_Current_slides1 to 32

... • The carbon rod is not part of the reaction happening in the moist paste. • But…the chemical reaction in the moist paste does cause the carbon rod to become charged. • This charge on the carbon rod creates a positive end. • The negative end is made by the Zinc. ...
LTspice_lecture
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... LTspice has schematic capture and is much easier to use than traditional text-based SPICE. The user can enter a circuit to be simulated via a graphical user interface • Has virtual scope, makes Bode plots, performs FFT, etc. • Worth learning about – It is fast, expandable, powerful, and free – Most ...
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... 10- The Thevenin impedance of a network seen from the load terminals is (80 + j55) Ω. For maximum power transfer, the load impedance must be: (a) (−80+j55) Ω (b) (−80−j55) Ω (c) (80−j55) Ω (d) (80+j55) Ω ...
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... The PIN photodiode is a semiconductor device, typically fabricated using doped silicon. In a photodiode, absorption of an incoming photon produces a single electron-hole pair. A small electric field within the photodiode causes these charge carriers to migrate in opposite directions towards external ...
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Design of a high performance CMOS charge pump for phase

... equals to I1 , whereas I1 is also equal to I2 for the input current of the operational amplifier (A) is zero, so we can get I1 D I2 D Idw . M5 is the charging current device. As shown in Fig.4, the gates of M5 and M7 are biased by the error amplifier. In addition, the voltages on the two points X an ...
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... Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use o ...
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... 5. When the second bulb was added to your (properly working) circuit, the resistance must have(circle one): Halved Stayed the same Doubled Tripled Explain why you think this. 6. Looking back at your voltage and current results from Part C of Experiment 1, what happened to the resistance of the circ ...
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... amount of energy consumed in one hour at the rate of 1 kilowatt. If electric energy costs 5 cents per kilowatt-hour, what does it cost to operate a 100-watt light bulb for 10 hours? What does it cost to run a 1200 watt microwave for 10 minutes? ...
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Checking Voltage Drops - Colorado Contractors Association
Checking Voltage Drops - Colorado Contractors Association

... 2) If the voltage is greater than 12.6 volts (AGM batteries 12.8 volts), surface charge must be removed. 3) To remove surface charge, turn on the headlights and blower motor (high speed) for one minute. Then turn off the devices and wait two minutes for the voltage to stabilize. 4) Once you have a r ...
Monday, Oct. 10, 2005
Monday, Oct. 10, 2005

... • Potential difference between terminals of emf source, when no current flows to an external circuit, is called the emf ( ) of the source. • Battery itself has some internal resistance (r) due to the flow of charges in the electrolyte – Why does the headlight dim when you start the car? • The starte ...
AN-793 APPLICATION NOTE
AN-793 APPLICATION NOTE

... Analog Devices iCoupler products offer an alternative isolation solution to optocouplers with superior integration, performance, and power consumption characteristics. An iCoupler isolation channel consists of CMOS input and output circuits and a chip scale transformer (see Figure 1). Because the iC ...
SN54/74LS160A SN54/74LS161A SN54/74LS162A
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... the Binary counters). Note that TC is fully decoded and will, therefore, be HIGH only for one count state. The LS160A and LS162A count modulo 10 following a binary coded decimal (BCD) sequence. They generate a TC output when the CET input is HIGH while the counter is in state 9 (HLLH). From this sta ...
Is mathematical logic needed in electrical engineering?
Is mathematical logic needed in electrical engineering?

... Fig. 8 A comparison method to produce signal for controlling a switch and switch positions. This type of comparison is easy to execute by using analogy electronic. Industry and research centers use simulation tools in their research and development work to analyze this type of systems. Those same si ...
AD829 Data Sheet
AD829 Data Sheet

... Unity gain stability requires a compensation capacitance of 68 pF (Pin 5 to ground) which will yield a small signal bandwidth of 66 MHz and slew rate of 16 V/µs. The slew rate and gain bandwidth product will vary inversely with compensation capacitance. Table I and the graph of Figure 28 show the op ...
Digital Images and Color
Digital Images and Color

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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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