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68 Threads found on edaboard.com: Falstad
I made simulations of the schematics. falstad's animated simulator has a spark gap component. I adjusted its parameters to act like a neon bulb. 1) What are the values of R and C (fig.1/fig.2) to that will make a 10sec. flash rate? A neon bulb typically has a 220k resistor in series when connected to house current. So I used
What helped me to grasp the principles of switched-coil converters was an animated, interactive simulator. Below is a link to my conceptualization of a simple buck-boost. Click it to open the website, load my schematic, and run it on your computer. (Click Allow to load the Java applet.) Watch th
It might help to watch an interactive simulation of an SR flip flop in its simplest form. The link below is to a SR flip-flop made from 2 transistors. It will open the website, load the schematic and run it on your computer. (Click Allow to load the Java applet.) Click the two logic inputs at the
There is an interactive animated simulator that will help to aid in understanding. Its library of circuits includes the multivibrators you mention. Click the link below. It will open the website at . It will load a monostable multivibrator constructed from transistors, and will run it on your computer. (Click Allow to lo
falstad's animated simulator does not specifically list a D flip-flop made from discrete components. It provides a link (below) which will open a simulation of a CMOS flip flop made from discrete mosfets. It will run interactively on your computer. (Click Allow to load the Java applet.) Click the logic inputs which are labeled S and R. Watch
I guess it's all right to show you the layout that works for me, since it started with your I made this using an animated simulator found (free) at: The op amps need the right vo
falstad's animated simulator is ideal for observing the action. It turns wires green when they are positive polarity, gray when they are neutral. Its library of circuits comes with a D flip flop made from individual gates. It's just a matter of drawing a wire from the Not-Q output to the D input. Click the link below to open the we
Have you tried playing with a simulation? Here is my screenshot using falstad's animated simulator. It is great for showing immediate results when you adjust I find that the biasing is tricky to get ri
I find falstad's animated simulator easy to use. It's free. It's interactive. It shows current bundles moving through wires, and portraying the interaction between components. It comes with a library of circuits. You can construct your own circuits. You can save them to disk and read them again. This link will open
I had to spend hours playing with an animated simulator (falstad's), before I got a notion what is happening in these switched coil converters. Is it possible to write enough equations to correctly solve for everything simultaneously or do I need to select a particular parameter as a starting point are work outwards from there? Th
I think it's a setup or hold pb. You additionally should latch the outputs. See this one: JK Flip Flop
I use an electronic circuit simulator written in Java. It opens windows for importing text. It has a few of the same commands which are in your code, and some more besides. The source code is available as a free download at the link below. You can examine it since it is not scrambled. Click the link called 'The source'
is it enough to then have a sliding contact on the primary copper tube coil in order to do the fine tuning? Guess it's okay as long as it gives you a fine enough range of adjustment. I have been watching an animated simulation of a Tesla coil. The link below will open the website, load the schematic, and run it on your
Link to animated simulation showing how an inductive load creates reactive power factor, and briefly explaining how power is lost because of phase difference: Showing how power factor can be corrected using a capacitor (avoiding loss of power):
I happened to be online at this hour and recognized the 'v1.5 applet' as the falstad simulator. I imported your schematic into the simulator. The bad connections are the red circles where you used scope probes as though they are wires. Scope probes are attached to your circuit at one end or the other. They do not carry current. To see a s
I have some doubts if the falstad simulator represents the OP behaviour accurately in this situation, the PSpice models usually do. The basic problem is simple, zero respectively negative phase margin in the loop gain characteristic. If the OP compensation isn't accessible for modifications, you have basically two option: - an output series
GBHT, there is an animated simulator you may find easier to use. It's at the website. You can easily create moving oscilloscope traces. I have constructed a circuit something like what you are doing. Here is the link. (I used two resistors. I left it for you to substitute a capacitor.) Click Allow to permit the connection.
The link below is to an interactive animated simulation of the Edge-Triggered D Flip-Flop shown in post #4. The website has some more flip-flops (as well as an entire library of circuits). Click 'OK' when a window comes up asking if you want to load the java applet.
The circuits are similar enough. With a few switches/muxes to route your feedback signals, it could be done with D flops. Divide by 4 example Divide by three example
I can recommend to check these falstads java simulators too... Math, Physics, and Engineering Applets