Audio Note M10 Clone

[jerrylong]

Need Help:5AR4 SPICE model problem

I tried to use the 5AR4 SPICE model in Multisim14, but could not make it work
1, I try to use the 5AR4 of the Multisim14, the multisim reports error when run the simulation




2, then I use the 5AR4 model of the DIYAUDIO, the simulation can work, but the output is only 2.5V. the SEC of the power transformer is 0-5(for the filament of 5AR4) and 230-0-230(for the HT)



what's wrong with it?

 

[jazbo8]

Does the symbol have two or three terminals? The model only has two.

 

[jerrylong]

Yes the symbol has 4 terminals(P1,P2,H&K,H), the model only has two(A,K), and if just use two terminals, how to connected it with other component of the circuit?

 

[jazbo8]

You can't and why you are getting nonsensical results. Find another vacuum tube rectifier symbol with just two terminals or create one yourself.

 

[jerrylong]

the SEC HT of Power Transfomer is 230-0-230, and my circuit needs full-wave rectification. If the symbol of 5AR4 with just two terminals(A and K), how to connecte? It confused me

 

[jazbo8]

You will need to use two symbols, each with A and K, you then connect the K's together in the schematic.

 

[jerrylong]

Still not work. I have connected the K.How to connect the P of 5AR4? I tried 3 wyas and it did not work.

 

[jazbo8]

You can not use the existing symbol, make a new one with just A & K terminals.

 

[jerrylong]

You can not use the existing symbol, make a new one with just A & K terminals.

I have make a new symbol with just A & K terminals


and map the terminals with the model


still not work, the simulation report error

 

[jazbo8]

Try grounding V1’s negative terminal.

 

[jerrylong]

Try grounding V1’s negative terminal.

Still error when simulation


this is the error message

 

[jazbo8]

Are you dead set on using Multisim? It's really a POS bloatware...

 

[jerrylong]

Any other simulation software, you suggest? the Multisim is really not good, strange error, when simulating.LT-SPICE is better ?

 

[deafbykhorns]

Try LTSpice, it’s easy to use and free

 

[euro21]

Try LTSpice, it’s easy to use and free

+1

 

[jerrylong]

Thanks I will try this in LT-SPICE

 

[jerrylong]

+1

I have download the expamle, and try to run it in LT-SPICE, but no output, is there any problem. Sorry I have not used this soft before, and just begain to learn to use it

 

[euro21]

but no output

Are you select the output (click on it) after running Transient?
What about View-> SPICE Error log?

 

[jerrylong]

Are you select the output (click on it) after running Transient?
What about View-> SPICE Error log?

Thanks,It works now


I should find some book about LT-SPICE to learn, it is not as easy to use as Multisim, but more powerful

 

[deafbykhorns]

+1

Wouldnt your voltage be 325v?
I thought this was peak voltage input, 230x1.414=325m RMS would be 230?

Thanks,It works now
View attachment 640460

I should find some book about LT-SPICE to learn, it is not as easy to use as Multisim, but more powerful

Skype or "Gotomeeting" with someone that can show you, I learned more in 30 minutes than 2 days of studying.
Or Youtube some tutorials