• How do you delete or add a signal to the Radiation High Electrical Net

    After importing an Allegro.brd file into HyperLynx DRC, the Radiation High Electrical Net is loaded with signal nets. Some of the listed nets are board straps and would not be considered Radiation High. How do I edit ...
    last modified by pfwynhamer
  • How to check nets crossing gaps for specific layers

    I have a 6 layer design where I want to check nets crossing plane gaps.  But, I only want to check against certain layers.  Specifically layer 1 and 2 where layer 1 is signal layer and layer 2 is split PWR/G...
    Marty Fouch
    last modified by Marty Fouch
  • How do I prevent differential pairs from being checked for single-ended impedance in Hyperlynx DRC

    When running rules on the entire design, the impedance checking for single-ended signals seems to understand that it should ignore net classes like power and ground (constant nets).  However it incorrectly checks...
    last modified by gaborsz
  • Changing CoeffAccountable parametr does not affect on results

    I want to check Net crossing gap rule. I have the next stuck up configuration: When i run this rule i have the next vialation: Why HyperLynx DRC define signal_10 as reference layer? Correct reference layer mus...
    last modified by pbo
  • How we can change reference layer for a trace ?

    How does Hyperlynx DRC identify a reference layer for a trace & how we can change reference layer for a trace manually. PS: see attached file for reference
    last modified by kartik_
  • Problem with Trace.Layer properties

    Hi all   I try to use in my automation script (VBS) in HL DRC Layer properties and I receive error Microsoft VBScript runtime error: Object doesn't support this property or method Mytrace.Name  I can read w...
    last modified by strdaniel@o2.pl
  • Pin package length and delay

    Hi,   On a DDR4 interface we are trying to do delay matching in layout (VX 2.4). This is done using CES, however CES is giving us violations which we don't really have a clue yet on why we get these violations. ...
    last modified by jakob
  • CMGR need to import separately

    Hi, Good day   I am initial stage in HLDRC, So i ask the question some time is . o k .,,, come to the point I am allegro user I have the board file, when i import .brd file its automatically take constraint m...
    last modified by mareeswaran_karuppiah
  • Capacitor Value - HLDRC

    Hi , Good day   When i start verify the Design i couldn't find capacitor value? Plz Some one help.   Thanks, Mareeswaran K
    last modified by mareeswaran_karuppiah
  • HL_DRC_FAQ_Sept2018_by-topic.docx

    The latest version of the HyperLynx DRC Frequently Asked Questions (FAQ) includes new questions and answers and is organized by topic to make it easier to find what you're looking for. Click 'View' or 'Download' to ac...
    last modified by cathy_terwedow
  • Multi-layer safety clearance and creepage rules

    New in HyperLynx DRC VX.2.4: automated high-voltage creepage checks that eliminate the tedious work associated with PCB validation and make it easy to find design errors. Watch now!
    last modified by cathy_terwedow
  • Need help getting started with HyperLynx DRC?

    We have lots of materials to help you learn and use HyperLynx electrical design rule checks: Knowledge Base (KB) article - includes tips for getting started and 20+ videos! HyperLynx DRC FAQ - newly updated for Hype...
    last modified by cathy_terwedow
  • LtoW Ratio 0.5 & 0.49

    HyperLynx DRC has LtoW Ratio (rule- Metal Island, Long Stub) This value defaults to 10. If this value is 0.49, it will be checked as 10 which is the default value. WARNING: using default value for the LtoWRatio ...
    last modified by ksh
  • Drill hole on the pcb shows as a metal island error?

    I imported an odb file into hyperlynx and ran EMI simulation. The drill hole has no copper but not sure what is happening and need some help with this?
    last modified by sripriya@codecorp.com
  • Is HyperLynxDRC Impedance calculation accurate?

    Hi, Can anyone suggest if HyperLynx DRC impedance calculations are correct enough to use as regular DRC check? There is very minimal settings in the layer stackup and missing critical information. When I ran impedan...
    last modified by rshrestha84
  • Hyperlynx DRC unable to upen .hyp file

    I do not see option to open .hyp file in hyperlynx DRC. Documentation says we should be able to do it but i did not find an option. I am using Hyperlynx DRC free version.   Thanks
    last modified by rshrestha84
  • Suitable ODB++ ver for importing to HLDRC6.2.3

    hi all.   I would like to use ODB++ file to import PCB layout desing to HLDRC Ver.6.2.3. But I'm not sure what ODB++ ver. is applicable to this HLDRC ver. , because there is no information in any documents. So...
    last modified by nobuakitanaka
  • Crosstalk Coupling without IBIS models

    I noticed IBIS models are optional for the Crosstalk Coupling rule. Does this just end up using the voltage swing, rise/fall time, etc defined in the Electrical Net Properties for each net?   If so, is there any...
    last modified by bgooding
  • Activation of Hyperlynx DRC Free without Internet

    Hello,   I have downloaded the Hyperlynx DRC Free and obtained the Activation Key. However, the computer, I have installed Hyperlynx DRC, has no internet connection. In the discussions previously started, I h...
    last modified by ssrkvk
  • Problems with HL DRC Free License Key

    I have downloaded and installed the Hyperlynx DRC FREE edition. But , Iam getting the error which says "not able to retrieve the license", even after entering the license key. Kindly help in resolving this issue. ...
    Marty Fouch
    last modified by Marty Fouch