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14 Threads found on Breadboard Simulation
KiCad is for designing PCBs. Ltspice is for circuit simulation. Neither of those is close to what you want. It's like complaining that Excel lacks this feature. As far as component placement, most PCB packages will "automatically" place the components, but they usually do a pretty poor job. I never use that function. And what do you mean by a
If your filter is built with a rats nest of tangled wires on a solderless breadboard then all the rows of contacts and many wires are antennas that pickup all kinds of interference that is probably what you are measuring. Oh, you do not have an actual circuit, you have only a simulation that is not real, it is just the dream of a circuit. The THD i
breadboards are made of metal springs and connections are made by wire jumpers. I would estimate a maximum resistance to less than 50 mOhms. 0.2 Ohm looks like a very bad connection. Possibly dirty wire jumper? To be sure, wiggle connections if there seems to be a problem. If possible, simple circuits are better soldered to survive testing.
We are trying to made an pre-amp circuit for microphone using BF245A. In simulation it worked well. But with breadboard we got problem, the output is absolute silent. Here is our Our data: as measured, Vg
Since your actual circuit has a cutoff frequency of only 40MHz but the Spice circuit has 100Mz then I think you built your circuit on a solderless breadboard with many connecting wires all over the place and lots of stray capacitance between the wires and all the rows of contacts. The increased gain from your circuit might be caused by poor connect
Proteus simulation is running but in breadboard all segments are lit up fully. check out the clock signal on the scope.make sure you have proper clock provided at your breadboard.
Are you testing in breadboard ? What problem you have with quartz ? Which Compiler are you using ? Zip and post the complete project files and Proteus file.
I have to agree with Bob Pease (who am I to disagree :0) ) , breadboard testing is a must. I built the circuit last night. Worked surprisingly well , probably not far off the simulation. I did't have a high quality multimeter with me to accurately measure uA accurately though. Will take a better meter home tonight and try and do some accurate meas
If project on breadboard then use 4 MHz crystal.
when u are working with high currents, dont go with breadboard, pcb is the only solution ,and as u already said that simulation is working fine,,,so go throuch the pcb design,, use expresspcb, or eagle ,,,,both are good software and free too,, Best Wishes --BawA--
You are running a loop back circuit via level conversions. When the Ground is removed. It acts as a diode//R connection from end to end. The schematic looks ok to me... Your steady state voltages are wrong on the TX out and RX in. Since the loop runs clockwise in the schematic.. Start verifying your known idle state
hi I have got this circuit from the Internet which is a simple humidity measurement circuit. i have built the circuit on a breadboard, but it's not functioning properly. It only shows the humidity 99 percent. Even i have manually connected the input pins of the MCU (pin one to eight) to vcc and gnd to check the program is functioning properly or n
(I think this is freeware) Winbreadboard? is designed to work like the real hardware trainers used in many digital circuits courses. Unlike existing simulators which use a schematic-based approach to describe circuits, Winbreadboard uses a unique metaphor (computer representation of a real world object) in which users manipulate chips and wires,
The method commonly used at lower frequencies is to use an unbypassed source resistor of the same value as the drain load resistor to the power rail. Then capacitively couple the outputs from the source and drain. The values should be many times larger than 1/gm of the transistor. You will have to do a simulation or breadboard to verify that t