Questions tagged [circuit-analysis]
Circuit (Network) analysis is the process of finding the voltages across, and the currents through, every component in the network. Consider using in conjunction with tags for the particular analysis technique(s) in question: "nodal-analysis", "mesh-analysis", "superposition", etc.
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Load cycler keeps stalling at same voltage
Hello I am building a load cycler using an arduino with this code:
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How the GPIO works internally?
I have a fair understanding about how to configure as input/output enable pull-up etc. While going through the datasheet of ATTiny85 (The same diagram also there in ATmega328p) I have seen the ...
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How to determine exact output impedance of the source degeneration using feedback analysis?
How can I get the EXACT output impedance when looking from the drain side of the source degeneration using FEEDBACK ANALYSIS?
It can be derived easily using a couple of methods, but I'm having some ...
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Can we solve all linear circuits using only KVL and constitutive relations?
Can We Solve for Node Voltages and Branch Currents in Any Linear Circuit Using Only KVL and Constitutive Relations?
In circuits with a single loop, it's trivial to solve using only Kirchhoff's Voltage ...
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Constant volatge at the output of LM311
I made a PCB based on the following schematic.
The inputs of the comparator work as expected (i.e., the capacitor voltage or the voltage at the non-inverting pin gradually increases and, after a few ...
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What is the correct formula for the 3 dB frequency of an RC or LC Circuit?
Before we jump to another post where the formula is
I am reading through the text book Microelectronic Circuits 8th edition by SEDRA/SMITH. In the text, they show this table.
Here it shows the time ...
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How should I apply FACT technique on this circuit?
I am learning the fast analytical circuit technique. How could I calculate the pole in the circuit below? I also calculated in the "traditional" way.
I was able to determine the zero and ...
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demultiplexers and multiple output selection [closed]
In a DEMUX, is it possible to route 1 input signal to multiple output signals? Say input I is routed to both output 1 and output 2. Does this scenario have anything related to data collision?
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Calculate Required Voltage/Power/Watts/Amps needed to for a device [closed]
I am a Mechanical Engineer looking to construct a portable electronic device from the ground up, I am seeking assistance with the electrical aspects due to my basic circuitry knowledge.
At this stage, ...
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Help with circuit analysis - Transistor, dc-motor, arduino, resistors
currently I am trying to improve my skills in electric circuits by small hobby project. I want to spin one mini dc motor, which is just spinning if the Arduino activates the flow of current with a NPN ...
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RC circuit equation why have negative sign
I'm reading a book named The Art of Electronics.
What are some of the features of circuits with capacitors? To answer this question, let’s begin with the simple RC circuit (Figure 1.31). Application ...
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3-Phase system Voltage conversion
If we are converting from Y to delta configuration or vice-versa, how do we convert the phases of our voltages? I've seen that we need to add or subtract 30 degrees from one another, but I don't ...
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Nanogrid management PCB review
I have made some progress on the PCB for a nanogrid consisting of solar panel, wind turbine, batteries, load (not yet connected) this board monitors the current/voltage of each components and sends ...
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Why does this transistor amplifier fail if Rc is greater than 50 ohms?
This simple circuit amplifies a 1 µV 50 ohm 7 MHz signal (e.g. RF off an antenna) quite nicely (31 dB):
However, I'm stumped as to why R2 must be so low (50 ohms), giving a Ic of close to 50 mA. ...
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The role of Q33 and the connection of pre-discharge circuit in the BMS circuit
I'm trying to understand the following circuit which is taken from the TI's TIDA-010216:
I don't understand the role of Q19, D29, D30 and Q33 in the circuit. According to this post, it seems that Q19,...
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