Simple OP-AMP circuits
The output is fed back to the inverting input. Since the output adjusts to make the inputs the same voltage Vout = Vin (i.e. a voltage follower, gain = 1). This circuit is used to buffer a high impedance source (note: the op-amp has low output impedance 10-100Ω). Application hint: The input impedance on some CMOS amplifiers is so high that ...
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power supply info 2 - UNLV Physics & Astronomy
www.physics.unlv.eduhotter it gets the sooner the part will fail. You could also burn yourself if you touch the regulator (the case temp would be 25°C + 65°C/W * 1.2W = 103°C (217°F).
How to read an op-amp data sheet - UNLV Physics …
www.physics.unlv.eduHow to read an op-amp data sheet: We'll use the LM741: http://media.digikey.com/pdf/Data%20Sheets/Fairchild%20PDFs/LM741.pdf datasheet to explain the various specifications
Relay Basics - Astronomy
www.physics.unlv.eduRelay Basics: A relay is an electrical switch that uses an electromagnet to move the switch from the off to on position instead of a person moving the switch.
OP-AMP Filter Examples - Astronomy
www.physics.unlv.eduOP-AMP Filter Examples: The two examples below show how adding a capacitor can change a non-inverting amplifiers frequency response. If the capacitor is removed you're left with a standard non-inverting amplifier with a gain of 10
OP-AMP Filter Examples - UNLV Physics & Astronomy
www.physics.unlv.eduresponse. If the capacitor is removed you're left with a standard non-inverting amplifier with a gain of 10 (1 + R2/R1). Recall that the capacitors impedance depends on frequency (Xc = 1/(2πfC)) and the corner frequency of an RC filter is fc = 1/(2πRC). In first circuit the capacitor is placed in parallel with the feedback resistor (R2).
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www.onsemi.comTL494, NCV494 www.onsemi.com 2 RECOMMENDED OPERATING CONDITIONS Characteristics Symbol Min Typ Max Unit Power Supply Voltage VCC 7.0 15 40 V Collector Output Voltage VC1, VC2 − 30 40 V Collector Output Current (Each transistor) IC1, IC2 − − 200 mA Amplified Input Voltage Vin −0.3 − VCC − 2.0 V Current Into Feedback Terminal lfb − − 0.3 …