i want to design an ota based notch filter that is going to remove the 50 hz noise i have designed something but its not working can you please point out the mistake it would be very helpful the ...
https://www.edaboard.com/threads/problems-in-designing-ota-based-notch-filter.411136/
I have application whose resistance vary with time and required DC power supply. It can be operated in constant voltage or current mode. My question is if I have ac power source and convert to DC...
Hi, I’m a student. I designed LNA using renesas’s jfet NE3511S02. But I have some problem. I designed the rf choke using 4 lambda, but does the length of the red hit part in the picture ma...
Hello all. I'm new to forum and hope I'm in at least somewhat the correct post location. I'm just starting to learn myself electronics so very very amateur but I can solder pretty good (many ye...
https://www.edaboard.com/threads/re-wire-digital-soldering-iron-to-re-work-station.411128/
Hi everyone, I'm working on my first ever circuit and PCB board for an automatic watering project that requires a long on/off time delay relay controller. I could really use some guidance from ...
I am a student trying to build the traffic light circuit using NE555 timer unit. I want to find the time constant of the following circuit. I just learned that Time constant is R*C other than t...
https://www.edaboard.com/threads/help-me-to-find-the-time-constant-of-this-circuit.411129/
I want to use the GPIO pins of the SIM900A, so I need to write new firmware for it. I am looking for the source code of the current version of the SIM900A firmware to modify it and utilize its GP...
https://www.edaboard.com/threads/writing-new-firmware-for-sim900a.411133/
I HAVE PROGRAMMED PIC18F452 SUCCESSFULLY USING PIC KIT 3 but the issue i am facing is that the program isnt getting executed by the IC. The lcd gets the power and is getting on but it isnt displa...
Hye i want to store coco training data set into the ddr of my pynqz2 board how should i do it?
https://www.edaboard.com/threads/how-to-store-coco-training-data-set-in-pynqz2-board.411132/
Do the priority keyword of System Verilog make an incomplete case statement behave as a full case?
https://www.edaboard.com/threads/priority-keyword-of-system-verilog.410931/
We have Scan in and Scan out pin in the top level rtl of the soc as Si and So pins respectively. Do these Si and So pins are connected with TDI and TDO pins of JTAG of the chip respectively?
https://www.edaboard.com/threads/jtag-tdi-and-tdo-pins-and-its-relation-with-si-and-so-pins.411119/
I want to create a digital weighing indicator based on the hx711. I made the wiring diagram on proteus and I did the C code on mikroC. However I can't read anything on the serial monitor. I will ...
https://www.edaboard.com/threads/hx711-with-pic16f877a.411121/
I'm trying to make a digital decoder. I sample a digitally modulated signal with the LTC2387, an 18-bit 15MHz SAR ADC. The carrier signal is at 2.1MHz, and is digitally mixed down to DC . After t...
https://www.edaboard.com/threads/bit-error-rate-measurements-using-adc-samples.411068/
Is there a simple explanation of the difference between RF waves, WiFi Signals, Bluetooth signals, electrical pulses, etc. In other words what is the difference if i create a wave by pulsing an e...
https://www.edaboard.com/threads/novice-description-of-rf-vs-electrical-waves.411106/
I have an RC5 read function, that I have come up with that is simplified compared to most, any input appreciated Code: void readRC5() { uint8_t address = 0; uint8_t c...
https://www.edaboard.com/threads/rc5-decoding-function.411099/
Hello , I am trying to define a hole and ORING according to the data sheet and recommendation of the manufacturer bellow. I see the pad hole option is the stack below where is the option for pad...
I am conducting a unit cell simulation of the 2DEG model to compare transmission results. One scenario uses a sheet with layered impedance as a boundary condition, and the other employs a rectang...
Hi, I am a newbie to HFSS, however, I have some experience with CST software. Today, I started to simulate a hollow rectangular waveguide. I placed two rectangular planes as ports on both sides ...
Hello , I see a PAD just like a VIA. A hole and ORING surrounding the hole. Oring diameter =pad diameter-pad hole diamter there are the purple gray and brown and green colors. There is pad hol...
https://www.edaboard.com/threads/problem-understanding-pad-properties-in-altium-menu.411124/
Which tools are typically used for boundary scan insertion? What are all the stages during design flow at which boundary scan can be inserted?
https://www.edaboard.com/threads/boundary-scan-insertion.410918/