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Same comment as Klaus. Reputable capacitor manufacturers will provide ripple current limit values somewhere in the datasheet. Sometimes the value is not found on the individual capacitor datasheet but as a global family specification.
Hi, Packman style... The faster the computer the the faster the 5 seconds. In some years the 5 seconds will be only parts of seconds. Additionally it needs a lot of processing power. **** I'd go for a timer. Define a global integer variable "to" Timer with 100ms timeout. On every timer event decrease "to" until it is zero. Within your key rout
It is common to use microinverters with a rated capacity lower than the solar panel they connect with.
hello on GSM M95 (QUECTEL ?) after global init : * STAT must be =1 (status of power ON) * NET info must blink GSM must give response when sending "AT" command =>"OK" means UART speed OK send PIN code "1234" ? and test presence of network 20:01:44.125> Test si enregistré sur le reseau (AT+CREG?) // send AT
Hello I have some questions about calibre LVS. I am trying to do LVS to mixed signal IC (analog circuit + Digital circuit). as for digital circuit, there are some global nets (VDD! , PSUB!and VSS!). I'd like to use it as VDD!=DVDD, VSS!=DGND and PSUB!=GND on TOP level. do you know how to run the LVS? I don't know how to do it. rega
Uncertainty for global margin. Don't add uncertainty globally though if you have a few tricky paths, as this will increase area and power, and make it harder to fix, use set_path_margin on the specific paths.
Hello, We have a design requirement for a power PC based ASIC. Due to our existing relations with ASIC foundries, we can't directly license it from IBM/global foundaries. Could you please suggest who can provide soft cores for PPC405 and its surrounding sub systems ( like PLB , OPB, EPB etc components) I have checked with couple of vend
Hi, as we know there are two types of routing tech we follow while designing the chip. 1) global routing. 2) Detailed routing. The goal of the global routing is to route as many nets as possible while meeting the capacity constraints of each edge and any other constraints if possible. While in detailed routing , we decides actual physical interc
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Hai friends, I have created a heterogeneous component into 8 parts each consist of 3 pins. in that first 4 parts has one common pin called ground 1 , the next 4 parts also has the one common pin called ground 19. so i have decided to assign the first part into 3 pins the other 3 parts into 2 pins structure by removing the ground pins.. whi
A few possibilities I see: 1. Port configuration may not be correct. 2. The compiler disables global interrupt in timer ISR entry. Hence while you are sleeping in ISR, interrupt not forwarded to software.
Got vega 650 power supply. Any idea on how to power up. I saw one of the primary option is FV (AC Fail, global/fan Inhibit, 5V/300mA standby). What does it mean? Please help me understand and help me power up...thanks a lot. See attached photo for more info...thanks again. 106198
Hi I am a digital guy. When I am testing our chip in the lab. I found a weird thing The chip is just power up, the most up stream block is output constant signal by default. We didn't do any configuration at all. The weird thing is when I apply a global reset to digital core (hold reset to be always active), I found total power goes (...)
Hi, I have a hierarchical style design-which means power ports are global. I'm getting the duplicate net names on one of my power ports (not all of them-just the one). And I'm not sure why? Its a custom port-but so are my other ports. What would make a port throw this error? Thanks. as nodes they all are th
Hi Everyone, Design: I have 2 decoder written in Verilog, and a test bench to generate the decoder input and clock. I have imported all the 3 modules separately and created a schematic view and config view. I have also declared global power supply in the design. I have verified the decoder separately for its functionality using ideal voltage
Hello My global variables are only initializing to defined values when i download my code to LPC2468. After power reset my global variables are initializing to random values. I am getting following warning : .\Obj\ethernet_bootloader.sct(8): warning: L6314W: No section matches pattern *(InRoot$$Sections). My scatter file : ; *
Hi, I have given a project in which I need to design an ADC for GNSS (global Navigation Satellite System). Here are some of specifications of the ADC. input frequency fin = 20MHz Bandwidth = 20MHz power consumption P <= 1mW ENOB >= 3.7 Resolution: 4 bits I am confused which sampling frequency should I choose?
The verilog netlist has this statement for instantiating fillers: FILLERD1TD FILLER_323334(); FILLERC4TD FILLER_323334(); The cell FILLERD1TD has a symbol view only as its a pass through, but FILLERC4TD has a symbol and a schematic as it is has some moscaps. Both symbols do not have any pins as the power and grounds are globals in the CDL netl
Hello, I am trying to do the power routing of the IO pads in my design. I connected all the power and ground pins using global net connect command. globalNetConnect vdd -type pgpin -pin {vdd} -inst * -module {} globalNetConnect vdd -type pgpin -pin {vdds} -inst * -module {} (...)
Actually there are bunch of things which determine the clock tree power a) Low Vt will consume higher power. For high frequency designs low Vt cells should be used for clock tree. global clock tree should be preplanned with the number of buffers/inverters you need to use. Local can be a bit random ( read CTS tool fo