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Coaxial stub tuners can be a practical solution for homemade impedance tuning. These tuners use sections of transmission line (coaxial cable) as reactive elements (inductors and capacitors). By adjusting the length and position of these stubs, you can achieve the desired impedance transformation.
In reality, how have you implemented your circuit? Are you using a breadboard or have you made a PCB? PCBs may have manufacturing errors, breadboards sometimes are internally defected.
Since, some PCBs are creating problems, and some are working, I am sure there is no problem with your design. If the problem were with your design, all PCBs would have failed. I think it's a case of manufacturing error. Some PCBs may have broken traces or short circuits. It often happens. Test...
Sounds like you are looking for a common test bench for PCB testing. Having a PCB tester is good for doing short-circuit tests and broken trace detection.
Well, actually you can make one by yourself. You can make a miniature PCB tester like this one...
SDC (Synopsys Design Constraints) is a format used to specify the design constraints for digital circuits during the electronic design automation (EDA) process. It is primarily used in the synthesis and timing analysis of digital designs. These constraints guide the EDA tools to optimize the...
Here is a thead about creating new components on ADS. This may help.
https://www.edaboard.com/threads/creating-a-new-component-on-ads.373067/
However, creating new component is easier in proteus. There are many tutorials available. You can switch if you wish...
Check the voltage levels at the input of the opto-coupler when the relay is turned on and off. If you're only seeing a high signal regardless of the relay state, there may be an issue with the input signal to the opto-coupler.
Relying solely on the avalanche breakdown of the primary FETs to handle the leakage spike in a push-pull SMPS without a primary snubber is not a recommended practice.
The difference in open/short calibration procedures between the HM8118 User Manual and the video can be due to various factors, such as differences in instrument models, firmware versions, or calibration standards used by the manufacturer.
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