jaijeet@ic.Berkeley.EDU (01/22/91)
Has anyone heard of any circuit simulators (either commercially available or experimental) that simulate lossy transmission lines? In particular, I am told that there is a product or company called QUAD that does lossy line simulation. Does anyone know anything about this? Please email or post. Thanks. Jaijeet Roychowdhury (jaijeet@ic.berkeley.edu)
jkubicky@nntp-server.caltech.edu (Joseph J. Kubicky) (01/22/91)
jaijeet@ic.Berkeley.EDU writes: > Has anyone heard of any circuit simulators (either commercially >available or experimental) that simulate lossy transmission lines? >In particular, I am told that there is a product or company called >QUAD that does lossy line simulation. Does anyone know anything about >this? Here at Caltech, Prof. Rutledge et. al. have developed some neat E&M analysis software (IBM-PC) that I think is just what you want. Just the little bit I'm aware of allows you to analyze transmission lines with both distributed and lumped impedances and generates Smith charts and transfer function plots. I imagine they'd let you have a copy. Jay Kubicky jkubicky@cobalt.cco.caltech.edu
mark@mips.COM (Mark G. Johnson) (01/22/91)
In article <10377@pasteur.Berkeley.EDU> jaijeet@ic.Berkeley.EDU writes: > > Has anyone heard of any circuit simulators (either commercially >available or experimental) that simulate lossy transmission lines? >In particular, I am told that there is a product or company called >QUAD that does lossy line simulation. Their product is called "XNS", a crosstalk network simulator. They also sell "MOTIVE", a static timing verifyer. In addition to the network simulator, XNS also includes an electromagnetic field solver: you input physical geometry and it computes capacitance per unit length, inductance, characteristic impedance, forward and backward crosstalk coupling coefficients. Quad Design Technology Camarillo, California, USA (805) 988-8250 I don't actually know whether they support lossy lines or not. -- -- Mark Johnson MIPS Computer Systems, 930 E. Arques M/S 2-02, Sunnyvale, CA 94086 (408) 524-8308 mark@mips.com {or ...!decwrl!mips!mark}
darrylo@hpnmdla.HP.COM (Darryl Okahata) (01/23/91)
In comp.lsi.cad, jaijeet@ic.Berkeley.EDU writes: > Has anyone heard of any circuit simulators (either commercially > available or experimental) that simulate lossy transmission lines? > In particular, I am told that there is a product or company called > QUAD that does lossy line simulation. Does anyone know anything about > this? There is UCB's Spectre 1a1 (previously called Harmonica), a steady-state frequency-domain nonlinear simulator that can handle lossy (& lossless) transmission lines, including microstrip lines. It's available from the UCB EECS/ERL. As you're posting from Berkeley, you should probably check it out. Hewlett-Packard also sells a greatly-enhanced version of Spectre as part of it's Microwave Design System (for HP's, Sun's, Apollo's, & 386's). If anyone wants more information, send email. EESof sells Touchstone (linear only) and Harmonica (linear & nonlinear), two simulators that can handle lossy transmission lines. Super Compact also sells a simulator that can handle lossy transmission lines (I think). -- Darryl Okahata UUCP: {hplabs!, hpcea!, hpfcla!} hpnmd!darrylo Internet: darrylo%hpnmd@hp-sde.sde.hp.com DISCLAIMER: this message is the author's personal opinion and does not constitute the support, opinion or policy of Hewlett-Packard or of the little green men that have been following him all day.
mark@mips.COM (Mark G. Johnson) (01/23/91)
In article <10377@pasteur.Berkeley.EDU> jaijeet@ic.Berkeley.EDU () writes: > >In particular, I am told that there is a product or company called >QUAD that does lossy line simulation. Does anyone know anything about >this? > Quad Design Technology 1385 Del Norte Road Camarillo, CA 93010 (805) 988 8250 Their product is called XNS (crosstalk network simulator). Dunno if it does lossy lines, do know that it does N-way mutually coupled lines. -- -- Mark Johnson MIPS Computer Systems, 930 E. Arques M/S 2-02, Sunnyvale, CA 94086 (408) 524-8308 mark@mips.com {or ...!decwrl!mips!mark}