Re: How to change logic levels in LTSPice?

Sep 07, 2008 0 Replies



>"Joerg" schrieb im Newsbeitrag
>news:MZVvk.20558$ snipped-for-privacy@nlpi067.nbdc.sbc.com...
>> Helmut Sennewald wrote:
>>> "Joerg" schrieb im Newsbeitrag
>>> news:GVUvk.18978$ snipped-for-privacy@nlpi065.nbdc.sbc.com...
>>>> First time for me to do mixed mode sims on LTSpice. How do you change
>>>> the voltage level of behavioral logic such as "AND" from the default 1V
>>>> to some other voltage?
>>>>
>>>> Maybe even other parameter such as rise/fall times, prop delays?
>>>>
>>>> --
>>>> Regards, Joerg
>>>>
>>>>
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>>>>
>>>> "gmail" domain blocked because of excessive spam.
>>>> Use another domain or send PM.
>>>
>>> Hello Joerg,
>>>
>>> Right-mouse-click on the device in your schematic. A dialog will be
>>> shown.
>>> Enter the parameter(s) into any field from "Value" to "SpiceLine2".
>>>
>>> Vhigh=5 Vlow=0 Ref=1.5
>>> Trise=5n Tfall=5n Td=5n
>>>
>>> "Ref" is the threshold. Default is (Vhigh+Vlow)/2
>>>
>>
>> Thanks, Helmut. I just got mail from a reader of these groups and he
>> suggested the same. Works!
>>
>>
>>> Don't connect anything to unused inputs!
>>>
>>
>> That's what I tried at first. Well, at least no smoke came out of the PC.
>> In real life it would have been phssst ... BANG :-)
>>
>>
>>> You want or need examples?
>>>
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>>>
>>
>> I'll have to see whether I can get that group through gmane. The Yahoo
>> interface is such a pain.
>>
>> --
>> Regards, Joerg
>>
>>
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>>
>> "gmail" domain blocked because of excessive spam.
>> Use another domain or send PM.
>
>Hello Joerg,
>
>I highly recommend to use a web browser. There are so many goodies
>on the group's webpage. You would miss them all if you use
>any simple message viewer.
>After you have registered the for the group, set your email account to "No
>email".
>Otherwise your email account would be flooded with 500 messages per month.
>
>
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>
>Best regards,
>Helmut
>

What a nutter. I use a real news reader and i do not have any problem wading through 1000 posts a month. They do not appear in my email inbasket. But about 200 spams a month do arrive past my ISP's filters, but they are not the same.

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