2 posts / 0 new
Last post
#1 Dec 27, 2016
mikozniak
Offline
Last seen: 3 months 3 weeks ago
Joined: 2016-12-26 02:36

3 bit DAC

Hello

I' ve got couple problems with circuit. First of all I have no idea which should I source put in this ciruit? I know that there are vpulse and some source with digital signal (2bit or 4bit). I need 3 bit signal, I mean (000, 001, 010,011 etc). Maybe someone of you have some schematics and want help me. 

  schematic

Thu, 2016-12-29 23:29
alok
Offline
Last seen: 2 days 4 hours ago
Joined: 2016-05-10 20:49

To set digital input - you should should use stimulus sources. These can support invidual bit and BUS. Looks at the example design - decoder for use of stm sources. This is located in your installation at <INSTALDIR>/tools/pspice/capture_samples/digsim/decoder/decoder.opj

Below is the Screen capture of design; here DSIM1, DSTIM2 . are prepresenting digital inpout voltage bit.

 

You can use DigStim* parts to place digital signal input voltage from Sourcsstm library

 

Refer PSpice User guide "Defining a digital stimulus" topic under Digital Simulation chapter.

Download PSpice Lite and try it for free! Get PSpice Lite
Cadence