Comment by periblepsis on TL494 - Darlington circuit
@Hearth They called it a hybrid Darlington so they are creating their own term. It's not so good to have done that here, of course, because it might just as well be one of these. Who knows? But I'm...
View ArticleComment by periblepsis on Triggering 1 machine to turn on with another machine
Just for discussion purposes, let's say this is a laser cutter system that uses a separate water cooler box during operation. And that when it is shut off (laser and water cooler), then the fan should...
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Answer by periblepsis for How to find the currents and their directions in...
redrawn and labeledAt first glance, it's obvious that \$V_{\text{A}}=24\:\text{V}\$ and \$V_{\text{B}}=8\:\text{V}\$. All node voltages are known. So the currents can be computed, directly, using Ohm's...
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Answer by periblepsis for Find current through R2 in the circuit by 1....
thevenin/norton conversionsThe first thing to notice is the Nortion represented by \$I_1\$ and \$R_4\$. This can be converted to its Thevenin equivalent of \$V_{_\text{TH}}=2\:\text{V}\$ and...
View ArticleComment by periblepsis on Finding Norton current
If \$V_S\ne 0\$ then \$I_N\ne I_S\$. It's kind of obvious. But it's not clear what you are asking. Are you asking if your matrix setup is correct? Or if your reasoning about \$I_N= I_S\$ makes sense...
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Answer by periblepsis for Find current through R2=5 ohms in the circuit by 1....
thevenin/norton conversionsThe first thing to notice is the Nortion represented by \$I_1\$ and \$R_4\$. This can be converted to its Thevenin equivalent of \$V_{_\text{TH}}=2\:\text{V}\$ and...
View ArticleComment by periblepsis on Temperature sensor circuit with 3 LEDs
Some PIC's already have a rudimentary method of measuring their die temperature. For example, the PIC10LF322 does. (I picked that one because I have a bucket of them here.) These come in 6-pin and...
View ArticleComment by periblepsis on How to test and control this gauge pointer?...
Talko, Just going off-the-cuff from memory, A is wired to body/ground, C is wired to +12 V through a fuse, and B is from the fuel sending unit. The resistor values I see there are in the right...
View ArticleComment by periblepsis on Help: Thevenin's and Norton's theorem
Joanna, you've included figure 3. Why? The question and picture caption appears to only reference figure 4. Can we exclude looking at figure 3?
View ArticleComment by periblepsis on How can i analyze the transient response of a circuit?
R2 and C1 are in quadrature to each other. You do need to narrow your question, too. For example, are you looking for the transient behavior of the collector-to-ground with respect to a sudden change...
View ArticleComment by periblepsis on LED driver circuit /current source
@jakop Thanks for the link to the device. I don't think anything else matters until you tell us how many of these you will be using in your lighting module and how you are going to dissipate 50 W per...
View ArticleComment by periblepsis on How can I get the Thevenin equivalent of this circuit?
Elisa, Are you required to solve this in some particular way? Or are you allowed to use any approach that gets you the right answer? You mention nodal. Which is why I ask.
View ArticleComment by periblepsis on How to communicate with an FPGA using serial...
Find and get the USBView tool from FTDI's website. It will probably help you here.
View ArticleComment by periblepsis on Power Supply Question
Samil, These are idealized sources. They are tools. But you have to know how and when to use them and how to modify them to make them more realistic, when appropriate. A simulator is also a tool. In...
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Answer by periblepsis for Crystal oscillator based on a differential pair of...
The basic idea will be something like this:simulate this circuit– Schematic created using CircuitLabIt's not a complete design and I used \$5\:\text{V}\$ here. (I'd recommend keeping the...
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Answer by periblepsis for How can I get the Thevenin equivalent of this circuit?
You missed just one detail in getting the right Thevenin resistance:\$R_1\$, \$R_2\$, \$I_1\$, \$V_2\$, and \$R_5\$ can't alter anything as seen from A and B. What this subnet may alter is the current...
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Answer by periblepsis for How can I find the voltages V1 and V2 of the circuit?
initial thoughtsI read in a book that the sign you add to the voltage when using KVLis the first sign you encounter when moving along the loop (ofarbitrary direction). And that if you encounter a...
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Answer by periblepsis for How does the parametric implementation of the...
You should first read the Wiki page on double-dabble. But if you want to see it in action, here's a picture of converting a 24-bit binary value into 8 decimal digits (up to 16,777,215):Each yellow...
View ArticleComment by periblepsis on How does an AC signal in a Transistor Amplifier...
@user1390491 Just to add another note, because the gain of your amplifier depends strongly on the input signal value at any given moment, this amplifier stage also is highly distorting of larger signal...
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