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Tuned base oscillatorview story

http://forum.allaboutcircuits.com – Hello I am new in electronics.Please tell me how a tuned base oscillator work with appropriate circuit diagram. Thanks in advance (Embedded)

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disordered counterview story

http://forum.allaboutcircuits.com – Hi, In the enclosed circuit, I intend to build a circuit that counts up to different numbers in different rounds. First, it should count 0 to 7, second 0 to 5, third 0 to 3, then this round should start over again. I don't know why I could not make the first round correctly!!! (Embedded)

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Problem Interfacing TI´s TLC59116F to Infeneon´s ITS42008 arrayview story

http://forum.allaboutcircuits.com – Hello, I got my very first Arduino UNO and as a beginner project I want to build an animated epoxy LED sign. OK so to make it short, I managed to interface the Arduino to TI´s 16 channel TLC59116 (Constant current driver) and TLC59116f (Open Drain driver). (Embedded)

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Class D Amplifier questionview story

http://forum.allaboutcircuits.com – Folks, I have implemented a class D amplifier using 555 timers, couple inverters, mosfet driver and a half bridge Mosfet. The original input is 2.7V pk-2-pk. From simulation:the amplified modulated digital signal is from 0- 8.6V Pk and amplified filtered or demodulated signal is 0.24V pk-2-pk as shown on the diagram. (Embedded)

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please help with my crossroad traffic light project...view story

http://forum.allaboutcircuits.com – hey guys,i was working on my traffic light project and i created circuit using 555 timer(mono-stable mode) and ic 4017 but when i run the simulation in circuit wizard only first led's light up .i don't know why is this happening please help... Attached Images raffic.png (92.1 KB) (Embedded)

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need help with Jfetsview story

http://forum.allaboutcircuits.com – Hi, can someone please help. I'm studying for my exam and i have no idea how to solve this Jfet circuit Attached Images DSC02284.jpg (268.3 KB) (Embedded)

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Simultaneous control of momentary LEDsview story

http://forum.allaboutcircuits.com – Hi all, Apologies if this sound trivial but currently I’m stuck in terms of figuring out the logic to complete what I suspect is a fairly easy task. I’m currently turning on my LEDs for a certain amount of time using the output_toggle() method as seen in my code below at the end of my post but I’d like to move on to turning on another relay when I’ve got the first LED currently engaged. (Embedded)

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Thyristor turn on processview story

http://forum.allaboutcircuits.com – Hi guys, i came across the turning on process of thyristor scr and i am pretty confuse about what my lecturer says, he says that when a gate current is applied the depletion region of the j2 will be increased and this causes regenerative effect and large anode current to flow But i was confused, doesnt the increased depletion region impede current flow from anode to cathode? (Embedded)

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Measurement of Leakage reactance using resonant??view story

http://forum.allaboutcircuits.com – Please how can I measure leakage reactance of a transformer using resoance? With C-=1.4uF, Leakage inductance= 20uH, magnetizing inductance=100uH, Switching frequency 30kHz, Turn ratio 9:3. P.s I have been trying to research on it, but no luck. (Embedded)

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home work helpview story

http://forum.allaboutcircuits.com – please help me how to write a MARIE assembly program that subtracts two numbers given as input from the keyboard and displays the result as output.:) (Embedded)

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unable to add simulation model to the symbolview story

http://forum.allaboutcircuits.com – hi, i have been trying to create memristor model in pspice using this video https://www.youtube.com/watch?v=uWjXLvlaFJ0 after doing 2 steps ,i must get an option as shown "associate pspice model" for memristor fig : original but i am not getting the options as desired fig: my version help please Attached Images origina (Embedded)

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line follower using microcontroller pic16f877aview story

http://forum.allaboutcircuits.com – My instructor give us a project to build a line follower robot with the PIC 16F877A. And writing the source code using C programming.Can you help me guise. Im already done with my PCB LAYOUT.. (Embedded)