# Tagged Questions

122 views

### Homework - Find where the components belong

A black box has three electrical connections labelled A, B, and C, arranged in a triangle as shown below. The box contains three components: a resistor, a small capacitor and a diode. ...
77 views

### Reading Transistor and Diode Spec

Any help will be greatly appreciated. This may be a very basic question. I have search for the answer and cannot find a solution to my problem. I am currently working on a research project from ...
195 views

### Diode causing voltage drop

I'm planning to wire a sensor (MQ-7 - Carbon Monoxide sensor) into my Arduino and this sensor requires a voltage of 5V during 90 seconds and then a voltage of 1.4V during 60 seconds. The schematic I ...
150 views

### Should I design with “N” parts or newer parts?

I noticed there are parts with "N" in the part name, for example the 1N4148 diode and the 2N2222 transistor, etc. What is the history of these parts? Where did they come from and why do they have ...
238 views

### AC DC Analysis of diode

in the following circuit: Im looking to find what $v_D(t)$ is given $V_γ = 0.7 V$ and $r_f = 0$. Now when doing the DC analysis, find that $VDQ = 0.7 V.$ But im having trouble finding ...
335 views

### How to analyze this diode circuit?

I am trying to analyze this simple diode circuit by hand, but I can't seem to get too far. simulate this circuit – Schematic created using CircuitLab Using circuit lab, it is evident ...
251 views

### Diodes in parallel

I need to protect about 5A @ 6V from something stupid like my revering the battery wires when connecting them to the circuit. I thought that I could use 5x 1A diodes in parallel, but it seems that I ...
170 views

### Problems when sharing a battery between motors and radio in an RC car

Background I am building an RC Car that I am trying to modify to control from an Android phone. When I connect the remote control module as well as the car circuitry (servo & motor) to separate ...
199 views

### Any resources to understand Clamper circuit?

Can anyone please provide some resources for understanding of Clamper Circuit, i'm having a hard time in understanding it when it comes to biased circuit.
139 views

### Transistor circuits: NOR and short

I've two short questions regarding circuits with a transistors or diodes: 1) The following circuit with two diodes: Does it produce an electrical short for B=1 (5V) and for B=0 there is V[out]=1? Is ...
1k views

### Why is the voltage across a reverse biased diode equal to source voltage?

Why is it not equal to zero since a reverse biases diode is essentially an open circuit?
299 views

### diode fails open

the question is asking this: the correct answers are as follows, Vlimit = 0 V, Vdiode = 5 V I don't get why it ended up like that. My intuition says that, "fails to open" means not functioning, ...