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A zener diode versus a linear regulator for a 5 V 100 mA …
Placing a single 5V1 zener diode with a resistor is not a good idea. Zener-Transistor Regulator: Consists of a 5V6 zener (500mW or even smaller), a BD- series NPN transistor …
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How to distinguish a 1N4148 diode from a Zener diode …
The 1N4148 looks like this and a Zener diode looks the same. What is the most recommended way to distinguish or identify them visually?
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Op amp design that gives $V_{out} = -2 *V_{1} + 3*V_{2}
I know that a regular summing amplifier does $ V_{out} = -(a*V1 + b*V2 + c*V3)$ but how do I invert one of the gains?
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How do I tell KiCad where the power is coming from on a …
The problem I am a beginner/novice using KiCad and in creating PCB''s, so I do not know much about these things. After following tutorials from I managed to create …
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Understanding Zener diode datasheet
The Zener voltage is the voltage that will be developed across the reverse-biased diode when passing the Iz test current. Leakage current is the current that will flow at the …
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Op amp design that gives Vout (t) = (2V1 + 3V2 )− V3
Hello everyone in the community! I''m facing a challenge with a circuit I recently built and I''m having a hard time getting the expected results. The circuit in question involves …
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Applying KVL in loops
In loop 1, the voltage sources 75V and 0.5V1 are in opposition to each other hence the effective voltage source is (75 - 0.5V1). This is your ΣV. Now, the voltage drop "iR" across …
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operational amplifier
So, I''ve been staring at this problem for several hours now. I''ve watched videos on summing amplifiers, and the like--but nothing seems to show how to use 1 op amp in a circuit …
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How to use a Bzx55c zener diode with PTH resistor to …
The problem is the Zener, it''s rated 5V1, which is more than the ADS1115 can take, max Analog input is Vcc + 0.3 V, and your Vcc is 5 V = 5.3 V. In order to use this Zener, …
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Why is 5.1V the standard Zener voltage and not 5V?
Avalanche diodes have a positive temperature coefficient of voltage, zener diodes have a negative coefficient. Near 5.1V the zener effect and the avalanche breakdown effect …
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