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57 Threads found on End Cap
you couldnt even put the boot cap there,and a big resistor from it to gnd, so that the cap got charged up enough for you to get started.......because the batt voltage will put an end to Warpspeeds solution looks good and ripe for use. Try to pick a module with as little capacitance as poss across its isolation barrier.
Is there a large resistance between MOS cap and Loop-Filter output ?? There also should be a capacitor at the end of the Loop-Filter. If you see the VCO oscillations at that point, it means the last cap. has been selected high ESR or inconvenient model.
What frequency is the rectifier to operate it mains rectifier, 50hz?...if so, then I think the bootstrap cap of your ir2110 may end up discharging too much during the relevant could make the boot cap bigger, but then itll be a high amplitude current spike refreshing it.
@1.6GHz you should be able to contrive a simple shorted 1/4 wave stub as the DC injection choke, then cap, GDT and transorb the hell out of the DC end of the choke, that way the RF short circuit at the end of the stub is transformed to an open at the feedline at the operating frequency so the capacitance of the transorb on (...)
:hi i use a cap(art work),which has tow pads,in schematic for making layout with its own port(->).the end of the ports are located on outer edge of pads so the cap become wider than the microstrip line that is near the can i move the the ports to inner edge of the pads or delete them and put new ports to inner edge (...)
thanks, but no pin 2 , if taken low, latches the chip off for good. In the end , we have disabled it by jointly pulling LOAD pin low and discharging the SS cap with a BJT....we hope this is ok...datasheet doesn't tell.
Hi All, Which type of filler cells should add in soc encounter,I have fill 1,2,4,8,16,32,64 sized and for well tap and end cap also the same values. Which size should i add ?? also while adding end cap cells,it is asking for precap cell and postcap cells ?? What i shud specify among the (...)
What is end-cap Cell? Why do you need them? How will you add it in ICC?
...edit2... It seems you have an inverter not a battery charger, so low ESR car battery or with alternator on is essential for reliable operation. If there is a bad cell, then regulation may be poor. ...end edit2.... I suspect it is detecting an overvoltage transient, perhaps due to a noise suppression cap failing open. I would consider adding a
Valley fill is a form of pfc circuit...its just two caps and 3 end up with a bit better pfc than a bridge followed by a smoothing cap with a valley fill.. PFC is just about making the current and voltage in phase with each other......or mostly, current sinusoidal and in phase with the voltage......preferably no harmonics in (...)
What are the relative inductance values for a via connection, and a remote trace (pair) connection? It may be as simple as proximity. Or that the best ground plane happens to be on the backside, and one end of the cap wants to be on it.
end cap cells usually go at the end of each row and contain decoupling capacitors. Filler cells are used to fill unused spaces in each row (i.e. where there are no logic cells) and just have metals to connect the horizontal power rails.
hi akuno, Its possible to add a 3Sec delay before switching Off the pump, but have you considered a mechanical solution.? A small non return valve at the lower end of the pipe. E
This is to make the power supply safe to work on. A 100 MF capacitor charged to 400V - typically found in the front end of switched mode power supplies, is lethal. Frank
I've never had much luck at XOs but critical is keeping the driver output from being lossy. You can't have the driver looking linear resistive when "on" or "off". Weak gate drive can do that. You also want the receiving end to be right at the peak gain point (consider a dummy autobiased inverter and cap coupling, or a single resistor shunted stag
Q1 is not needed, if you use a momentary switch to ground on the Trigger input.. To make the circuit trigger on power up, connect the (+) of cap to V+ instead of (-) to ground with other end on Threshold. (unlike as shown below). Then put a cap on Control to ground to force a SET on power up. When there is no RESET , Set requires TRIGGER (...)
Why do we add Row-end cap cells in our flow?
endcap cells are inserted to fullfill well tie off specifications for the cell rows. endcaps dont have signal connectivity. They only have connectivity to power and ground distribution in the design. endcaps have a fixed attribute and cannot be moved by optimization steps. (...)
Input and output pins are usually constrained with transition value and output cap. With this as input transition of net, delay of net is calculated based on R and C (WLM) and also output transition at end of net (connecting to cell) is calculated by tool (PT /ETS). The output transition of net connecting to cell (input transition at cell input) an
Hello all, I want to extract cap of a nmos transistor using eldo. Following are the contents of .cir .INCLUDE "minNminP" XMM20 0 dbl 0 0 NHVTLP W=6.0 L=1 NFING=1 NUMBER=1 STYLELAYOUT=0 NGCON=1 Vdbl dbl 0 1 .option nomod .option captab .op .dc *.tran 0 1n .end But I am getting cap value 0 Help me debug this issue (...)
As far as I see, both ends have the same (13 mm) diameter. The IR sensor is apparently placed under a removable cap near the LCD display (as shown with the 400 photo). The ability to measure the temperature of small devices is specified by the 1:1 spot:distance ratio. A minimal spot size isn't specified, but it will be surely several mm.
Hi, I am planning to write a timing debugger script, which should dump out a report which briefs out reasons for the failure of top 10 failing end points. Reason1 : Can be higher Skew Reason2 : cells which are low drive cells. Reason3 : Xtalk Reason4 : bad tran/cap due to Fanout Reason5 : bad tran/cap due to long net Please (...)
practical, easy: ethernet filtering -- eg, using the Xilinx TEMAC interface -- 8b per cycle + valid + delayed "end of packet" -- create a system that can detect ICMP traffic at a specific address. (use and for details. use tcpdump/wireshark to get icmp packets for your simulations) lvl 2 -- add logic for vlan capability l
Folks, Anyone has experience or idea of how to drive the switched capacitor sigma delta ADC to achieve the high linearity especially for high SNR ones (i.e. sample cap is big)? Suppose the linearity performance of the ADC is high enough, it seems that the front-end opamp like PGA to drive the ADC is the bottleneck. I saw some people (...)
endcap are physical only cells and have n-well implants in it. endcaps are used to avoid well proximity effect. As far as I know it doesn't have any metal and routing blockage over it.
This scenario is guaranteed to end badly I think there's no guarantee for anything. Neither safe operation nor failure. To guarantee safe operation, the pulse peak voltage must not exceed the DC voltage rating. The typical breakdown voltage levels are however a multiple of the ratings.
hi all, I want to have basic understanding in passive LPF, where we put a resistor in series and cap in parallel (other end to gnd).. but how will it behave if i put the other end of cap to Vcc?
The circuit is incomplete, as you need an additional switch at Vout connected to a reservoir cap to gnd. Your problem is that you are thinking too much on voltages. For charge pumps, you work with charges! At end of phase1, charge in cap is Q=C∆V=C(Vdd-0) At phase2, charge in cap is Q=C∆V=C(Vout-Vdd) Since no (...)
Hai venkat This link will help a bit well tap and end cap cells - Cadence Community
hai, endcap is placed at right or left most boundary filler cell for isolation of routing . Route is not beyond endcap does not allowed to routing come out side beyond endcap. i think the name itself its defintion. Add endcap.tcl modified script (...)
you have to connect MCLR resistor or else it will not work. connect 10k resistor, one end to vdd and other to pin 1
Actually, HFSS is operating correctly. Your assumptions are not correct. When the mode is below cutoff, ie evanescent, then all of the energy going into the model decays evanescently before it reaches the pec cap at the end. Therefore, there is no energy that can reflect and exit back through the port, so the Return Loss (energy reflected back i
Yes it's a valid way to improve stability, but it will come at the cost of greatly increased output ripple. You'll probably end up having to add another small filter on the output, either an LC or another, smaller low ESR cap. Also I don't see how you can say doing that makes it like a flyback stage... that has to do with it's method of energy tr
end cap cells are preplaced physical only cells that are required to meet certain design rules. They are placed at the ends of the site rows, and are used in some technology for power distribution. you shd add end cap cells to the design before any other standard cell is placed, but after hard macros have (...)
You can take that one step further and take a cccs off that sense source, and stuff its current onto an integrating capacitor w/ a reset switch released at t=0 and at the end of the cycle you will have total charge. If you scaled the cccs gain and/or cap for sim-time and supply voltage your end-of-sim voltage on the (...)
Kindly explain the signal waveform of the 15Vpp signal.If you want to retain the form, attenuate the signal to 1/3 and you get the swing .Put this in series with a poly cap and clamp the output end with a diode clamp to ground . The signal will swing -0to -5VDC ...Now you will need to invert this to TTL level
you dont get any filters for that purpose.. but you can cover the IR with a black cap or a small plastic enclosure and leave only the front end open..
hi sloty i sorry about delay in response to your last post i dont what u mean when u said "curves" but about your simulation for simulation waveguide structure u should fill inside of u waveguide with vacuum and for wave port should design cap at end of waveguide for more information download antenna design kit from ansoft website
I have to design a 12bit , 100MS/s pipeline ADC. First I have started the design of the OTA for the front end S/H. I have derived the required DC gain and UGB required for the OTA. Now how to fix the load capacitor size for the OTA.When we use this OTA in the S/H , what should be the size of the sampling capacitor.From which specifications (...)
When do we place the row-end cap cells? during floorplan or placement?
Hi jiangxb, If you mean the peak at the end of the settling, it might be the cause of the output common-mode voltage maladjustment. Are you sure about the output common-mode voltage whether it is set well enough by the common-mode feedback circuit?
Hi, You could add a 100 nF cap on each analog pin input for a more stable reading ... What is the error @ the high end of the measure range ?
I in serious confusion with the caps used with voltage regulators. Here's my doubt : #1) i) In one configuration for 7805 IC there is 470uF,16V cap connected at the input side and a 47uF,6.3V cap at the output In another configuration for 7805 there is a 10uF,
Hello Guys, Does any one has material regarding endcap, Decap or Subcap then please share. Or can anyone tell me the functionality of them ? I really need it. Please share it. Thanks in advance Hardik
Do you mean by the fence to keep people away. Charge a capacitor to A.C mains voltage through a very high resistance connected at the phase side so that the person is not electrocuted. The capacitance of the capacitor determines the length of the shock. The fence will get the wire from the other end of the resistor.
Hello everyone, Can you help to give me a bit of information about end cap and well tap? For example, 1. What is the usage of this 2 type of cell? 2. Is it a must for every ASIC chip? As for spare cell, Normally what is the kind of cell added for the spare module?. Thanks in advance for your help.
the 22 pf cap act as RF short circuit in this band , so its effect is minimal in the matching , u can say it is DC blocking cap , the most effective are L and 1.8 pF C to check the matching performance , u need to get the input impedance of the IC , and simulate it with the matching circuit khouly I think the 1.8pf i
below are some DFM guidelines, I have followed for 65n and 45n 1>try to give more (diff poly & metal) enclosure over Contacts 2>try to keep metal line width and space more than min +10% to 15% 3>try to increase the field poly width more than min +10% 4>increase the poly end cap 5>increase the spacing btw poly and both related and non rela
You commented that you see a high impedance at the port with a DC Block, as well as a the port without a DC block. At the operating frequency the dc block "cap" should be transparent. Are you measuring below the capability of the analyzer? Typical low end frequency is 300KHz or 30KHz. Rod
Dear Sir : From the data-shhet, It have SNR is large 60dB, How do we know the N.F in the RF Front end or RX link-budge . IF I want to define the link-budge . Does you have any comment ? Or any tools or method that can define it.