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Hi all, I'm a beginner with Synopsys DC. I synthesized a particular design and later defined and propagated the clocks via the clock ports into the design. Now, I want to trace the clock tree. In particuar, I wish to do the following: 1. Get the cells in the the clock path (I've tried get_cells -hierarchical -filter "is_combinational==t
This looks like a poor FD design. How does it achieve common mode control?
Not sure what your problem is. Altium designer has e.g. a function "update selected component from PCB library" under component actions. Can be performed for all design components at once.
STEP 1: GO TO FILE ==> EXPORT ==> SELECT IDF STEP 2: FROM "FILE NAME TYPE" DROP-DOWN BOX SELECT ==> PTC STEP 3: SELECT IDF VERSION 2.0 OR 3.0(PREFERABLY 3.0) STEP 4: RETAIN OR RENAME THE OUTPUT FILE. STEP 5: CLICK ON THE "..." IN CASE THE USER WANTS THE OUTPUT TO BE STORED IN A DIFFERENT LOACATION. STEP 6: NAVIGATE TO "DEFAULT PACKAG
STEP 1: GO TO FILE ==> EXPORT ==> SELECT IDF STEP 2: FROM "FILE NAME TYPE" DROP-DOWN BOX SELECT ==> PTC STEP 3: SELECT IDF VERSION 2.0 OR 3.0(PREFERABLY 3.0) STEP 4: RETAIN OR RENAME THE OUTPUT FILE. STEP 5: CLICK ON THE "..." IN CASE THE USER WANTS THE OUTPUT TO BE STORED IN A DIFFERENT LOACATION. STEP 6: NAVIGATE TO "DEFAULT PACKAG
Web design BALANCE COMBINATION OF ART and SCIENCE is BEST design HOW WE design? Studying the history of design and learning the fundamentals of art always brings us wisdom and pride. Expertise mentorship provided. We get feedback and become better. We follow advanced techniques. Above all, we are confident on (...)
How about this: Or you can Google on "SERDES tutorial". I do not kn
With ideal source don't care about common mode voltage. Common mode DC is normally used to set operating point for input/output transistors, without devices it will increase the complexity. If you are curious about DC capacitor voltages, obviously it is not a problem. The only drawback I see is the missing non-linearity from the system, which usual
At these frequencies, your "wire" is only useful to create an electric field. To create your ELF magnetic field, you need a closed loop indeed. Ok, so if I understand you correctly, in order to make this work I would need the circuit to be built as in attached block diagram, would that work? [ATTACH
Hi All, I need to develop an circuit and antenna that will be placed on a person's body, and generate a constant electromagnetic field (for medical purposes). The definitions I received for this project is to generate a field from 10Hz to 700Hz, with field strength of 0.2 mTesla (that is 2 Gauss). I'm not an RF engineer and have very limit
Hi, I use an RFID reader for reading FDX tags. It utilizes ASK modulation so I designed a transformer power supply with LDO linear regulator but somewhere it doesn't work good and read range decreased. I think it's due to poor voltage quality because there are several motors , ... nearby. I utilized an EMI filter in series with P and N. but it s
Hello, Does anyone happen to have video lecture for this stanford course by Prof. Murmann and would like to share it? I have lecture notes for 2004, 2006, 2007, 2009 and 2014 but I wish if I could get the lecture video. Thanks in advance. David
The calculation makes no sense, there's no reason why the controller shouldn't perform a large step in one sampling interval. Rate of change and group delay have different units and can't be related. Group delay is however essential for the control loop stability. Preferably, the controller will be designed as time discrete system, considering t
incident wave is an incoming wave if one is far enough from any wave source (water, sound, EM), the incoming waves look like plane waves If i use this wave in my design, what that meaning? I wanted to provide magnetic field on my design? How can i do this?
Hello Friends , i have to design a system where i need to send data ( some voltages , status of some pins of mcu) via ethernet using ENC28J60 to a web hosting server's database table . DATA -> ETHERNET(ENC28J60) -> WEB HOSTING SERVER ->MYSQL DATABASE -> TABLE . The data needs to be save
Hi, I am designing toothed log periodic that covers 900MHz, 1800MHz, 2100MHz, 2600MHz, 2450MHz. I will be designing on 160cmx160cm board. What is typically the first step to design such antenna. Also, how can i determine the number of tooths/radiators require? Thanks.
Using the kT/C noise to calculate the unit cap is a reasonable approach. MOM caps usually used in the design of the cap dac for SARs match pretty well, maybe up to 10 bit accuracy and they keep their matching for many years. For 12 bit dac you may need to think of some sort of calibration for the first 2-3 MSB caps. Or use redundancy in the dac whi
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Hi, If I want to take Capacitance effects of ESD and bond pad in the design. Where should I connect these capacitances, at every pin in the schematic?. Also, Where exactly ESD protection circuit is connected, only at the input? Thanks
There are quite a few free PCB design software tools available. Here are five of them. These are better suited to small, simple designs. For more complex designs, read our article on Which PCB design Software is the Best. TinyCa