Low-end resistor values change to milliohms following selection of component footprint in Multisim.

[Jipper]

I am a newcomer to Multisim/Ultiboard (Education Edition) but I have 2 problems that I am looking for advice on;

1.

[Jipper]

I am a newcomer to Multisim/Ultiboard (version 10, Education Edition) but I have 2 problems on which I would be grateful for some advice on;

1. In Multisim; for low-end resistor values (e.g. 150 ohms), following selection/change of component footprint, the value of the resistor changes to 150milliohms (this also happens for other low-end resistor values e.g. 250) and accordingly, affects the electrical simulation of the circuit.

2. When I import a schematic into Ultiboard, which contains a BC337 npn and which has an associated generic footprint of TO-92, Ultiboard reverses the pins in the PCB layout such that the wiring is rendered incorrect. I have changed the footprint pin arrangement in the Database manager and the wiring now appears ok, but will I have to check every component that I may use in the same way every time I transfer a schematic? How confident can I be in the accuracy of the matching between schematic components and their associated PCB footprints provided by Multisim/Ultiboard?

I hope someone can give me some insight into this. Thanks

[lacy · Accepted solution]

Can you goto HELP>ABOUT MULTISIM and tell us what the version number says? I may be wrong but I thought that the TO-92 pin problem was corrected in version 10.0.343.

The first problem I was not able to re-create. If your version is older than 10.0.343 then this may account for both problems and you may have to update.