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0answers
20 views

Electronics Board Debugging [duplicate]

I have a board with 2 input voltages; one of them is 5V and another is 12V. I set 12V adapter to 5V absolutely in a wrong way. so I've found myself in a big problem. hope you guys help me to fix it ...
0
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0answers
29 views

Diode Circuit analysis [duplicate]

how can i solve circuits like this ?! how current flow though determine the diode modes and calculate V and current in branches
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3answers
87 views

BJT transistor as an amplifier

I'm confused about a couple of things concerning the transistor.. is Vcc the signal to be amplified or Vin? And does the transistor actually amplify the voltage fed to it or does it just regulate how ...
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0answers
46 views

Common base and emitter transistors? [closed]

How does amplification and both direct current and voltage flows occur in transistors (bjt) (common emitter configuration). and if Beta (B) is the amplification factor, why doesn't common base ...
2
votes
1answer
20 views

Graph of Thermistor against Temperature

Assume that I had a circuit as such above. I was wondering, if I increased the temperature of the surroundings, what would a graph of the temperature/PD graph look like? I know that Resistance ...
0
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1answer
46 views

Short circuit and voltage source

I don't understand why when you replace a wire between a and b with a short circuit, you could just ignore 160 Ix voltage source. I understand that those two resistors in parallel will be shorted, ...
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2answers
23 views

Why do ideal Op-Amps have zero offset voltage?

Why does ideal operational amplifiers have zero offset voltage? Is that because it has infinite gain?
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0answers
47 views

Find vE, vC1, and vC2 in the circuit of Fig. E8.9 [closed]

Find vE, vC1, and vC2 in the circuit of Fig. E8.9. Assume that |V_BE| of a conducting transistor is approximately 0.7 V and that α =1.
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0answers
9 views

Current measurement problem in Opal-RT OP5600

I'm a newbie in DSP I'm working on an OP5600 : OPAL-RT’s Real-Time Digital Simulators, My problem is that i want to set some inputs to the OP5600 from an Inverter I'm working with, i wanted to work ...
0
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1answer
48 views

How would I design an S-R flip flop under these given conditions? [duplicate]

Given an AND gate, an OR gate, and inverters as needed, design an SR flip flop with S and R active low (0). I understand that to make such a flip flop, I would have to place inverters on the circuit ...
0
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2answers
56 views

trouble with making and gate

i'm having trouble with making an AND gate on this circuit simulator website 123 circuits. This supposed to be AND-gate only responds to input from switch 1 on the dipswitch and 2 doesnt affect it at ...
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0answers
18 views

How to treat diode in transient circuit analysis [duplicate]

Hi, this fig is a model of a circuit, where the cap is representing the gate-to-source capacitance of a hi-side FET in a bridge circuit driving a coil. VD is the intrinsic diode in the FET from ...
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0answers
32 views

How actually sign reversal of output signal and the input signal takes place in case of amplification of transistor? [closed]

How actually sign reversal of output signal and the input signal takes place in case of amplification of transistor? I am a class 12 student so make me understand accordingly.
-2
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0answers
70 views

why do we need a diode in a circuit? [closed]

i know that a diode allows electron flow in a single direction.But doesn't this happen in a circuit even without a diode (for dc source). then why do we need a diode.
2
votes
1answer
95 views

Is eMMC really a good choice for a low-volume long-product-life design?

We're looking for a flash device for a low-volume (batches size < 100) industrial product, in the 2/4/8 GByte range. In applications like this we've previously used SD card, which is an obvious ...