Jim, There is a BC847B model in the Sim.ddb (BJT.LIB). Hope this helps. Dave
>-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] >Sent: 20 July 2005 10:11 >To: [email protected] >Subject: [PEDA] Looking for a leg-up with Spice/Sim. > > >Hi all, > >99SE SP6 user. > >I am attempting to set up a simulation of a crude, single-balanced >modulator circuit using Protel. I have almost no experience (5 years >ago) with standard SPICE modeling tools so have found myself a >little lost. > >So far have connected the R's, L's & C's OK by simple strategy >of using >the Sim.ddb library. Also I think I can get my head around signal >stimulators although unsure how to reliably describe units >after value - >if default time scaling is picoseconds (ps) or seconds (s) for example. > >Now I have a couple of BC847B's in circuit. I found a >reference to this >part in the Spice.ddb library but I am mystified because apart from an >ugly NPN bipolar graphic there is nothing else. The descriptor fields >are all empty - including "Read-only field 1" which I understand is >supposed to contain the model reference filename. > >I think I am getting something a little wrong here and Protel help is >not talking to me on this subject in a way I can understand - yet. > >Can anyone set me straight on how to get the SPICE >connectivity anchored >into the schematic for BC847B? > >Regards to all, >Jim Parr > > > > > > >____________________________________________________________ >You are subscribed to the PEDA discussion forum > >To Post messages: >mailto:[email protected] > >Unsubscribe and Other Options: >http://techservinc.com/mailman/listinfo/peda_techservinc.com > >Browse or Search Old Archives (2001-2004): >http://www.mail-archive.com/[email protected] > >Browse or Search Current Archives (2004-Current): >http://www.mail-archive.com/[email protected] > > ____________________________________________________________ You are subscribed to the PEDA discussion forum To Post messages: mailto:[email protected] Unsubscribe and Other Options: http://techservinc.com/mailman/listinfo/peda_techservinc.com Browse or Search Old Archives (2001-2004): http://www.mail-archive.com/[email protected] Browse or Search Current Archives (2004-Current): http://www.mail-archive.com/[email protected]
