[time-nuts] TADD-2 Mini Sine or Square signal input?

Wed Nov 14 03:21:13 UTC 2012

Dear Bruce,

Thank you. I will order a unit and do my testing. You have a nice evening.

Regards,

Edgardo Molina
Dirección IPTEL

www.iptel.net.mx

T : 55 55 55202444
M : 04455 10045822

Piensa en Bits SA de CV

Información anexa:

CONFIDENCIALIDAD DE INFORMACION

Este mensaje tiene carácter confidencial. Si usted no es el destinarario de este mensaje, le suplicamos se lo notifique al remitente mediante un correo electrónico y que borre el presente mensaje y sus anexos de su computadora sin retener una copia de los mismos. Queda estrictamente prohibido copiar este mensaje o hacer usode el para cualquier propósito o divulgar su en forma parcial o total su contenido. Gracias.

NON-DISCLOSURE OF INFORMATION

This email is strictly confidential and may also be privileged. If you are not the intended recipient please immediately advise the sender by replying to this e-mail and then deleting the message and its attachments from your computer without keeping a copy. It is strictly forbidden to copy it or use it for any purpose or disclose its contents to any third party. Thank you.

On Nov 13, 2012, at 9:06 PM, Bruce Griffiths <bruce.griffiths at xtra.co.nz> wrote:

> That should be OK connected directly to the input as the resultant reverse bias on the switching transistor base-emitter junctions is well within the specified limits
> One can check this both by simulating the performance and by actual measurement with a scope.
> 
> Bruce
> 
> 
> Edgardo Molina wrote:
>> Dear John,
>> 
>> Your response is welcome. My square signal input is 3.3V and 50% duty cycle.  Low end 0.5V, High end 2.7V.
>> 
>> Will I be able to make it without the bypass? Or should I start warming the soldering station?
>> 
>> Thanks!
>> 
>> 
>> 
>> Edgardo Molina
>> Dirección IPTEL
>> 
>> www.iptel.net.mx
>> 
>> T : 55 55 55202444
>> M : 04455 10045822
>> 
>> Piensa en Bits SA de CV
>> 
>> 
>> 
>> Información anexa:
>> 
>> 
>> 
>> 
>> CONFIDENCIALIDAD DE INFORMACION
>> 
>> Este mensaje tiene carácter confidencial. Si usted no es el destinarario de este mensaje, le suplicamos se lo notifique al remitente mediante un correo electrónico y que borre el presente mensaje y sus anexos de su computadora sin retener una copia de los mismos. Queda estrictamente prohibido copiar este mensaje o hacer usode el para cualquier propósito o divulgar su en forma parcial o total su contenido. Gracias.
>> 
>> 
>> NON-DISCLOSURE OF INFORMATION
>> 
>> This email is strictly confidential and may also be privileged. If you are not the intended recipient please immediately advise the sender by replying to this e-mail and then deleting the message and its attachments from your computer without keeping a copy. It is strictly forbidden to copy it or use it for any purpose or disclose its contents to any third party. Thank you.
>> 
>> 
>> 
>> 
>> 
>> 
>> On Nov 13, 2012, at 8:21 PM, John Ackermann   N8UR<jra at febo.com>  wrote:
>> 
>>   
>>> Hello Edgardo --
>>> 
>>> The T2-Mini uses a wide-range input circuit based on one that Wenzel published with some modifications.  It works with a square wave input (I've done some limited testing) but I can't verify whether the input amplitude range will extend as far on either the low or the high side.
>>> 
>>> If you want to drive with a true TTL signal, you could bypass the input circuit entirely and feed directly into the PIC, though that would require some soldering.
>>> 
>>> John
>>> 
>>> On Nov 13, 2012, at 6:48 PM, Edgardo Molina<xe1xus at amsat.org>  wrote:
>>> 
>>>     
>>>> Dear Group,
>>>> 
>>>> Does anybody know is the TAPR TADD-2 Mini works with input signals with square wave geometry? Or Sine wave only?
>>>> 
>>>> Thank you.
>>>> 
>>>> Regards,
>>>> 
>>>> 
>>>> 
>>>> Edgardo Molina
>>>> Dirección IPTEL
>>>> 
>>>> www.iptel.net.mx
>>>> 
>>>> T : 55 55 55202444
>>>> M : 04455 10045822
>>>> 
>>>> Piensa en Bits SA de CV
>>>> 
>>>> 
>>>> 
>>>> Información anexa:
>>>> 
>>>> 
>>>> 
>>>> 
>>>> CONFIDENCIALIDAD DE INFORMACION
>>>> 
>>>> Este mensaje tiene carácter confidencial. Si usted no es el destinarario de este mensaje, le suplicamos se lo notifique al remitente mediante un correo electrónico y que borre el presente mensaje y sus anexos de su computadora sin retener una copia de los mismos. Queda estrictamente prohibido copiar este mensaje o hacer usode el para cualquier propósito o divulgar su en forma parcial o total su contenido. Gracias.
>>>> 
>>>> 
>>>> NON-DISCLOSURE OF INFORMATION
>>>> 
>>>> This email is strictly confidential and may also be privileged. If you are not the intended recipient please immediately advise the sender by replying to this e-mail and then deleting the message and its attachments from your computer without keeping a copy. It is strictly forbidden to copy it or use it for any purpose or disclose its contents to any third party. Thank you.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> time-nuts mailing list -- time-nuts at febo.com
>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>>> and follow the instructions there.
>>>>       
>>> _______________________________________________
>>> time-nuts mailing list -- time-nuts at febo.com
>>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>> and follow the instructions there.
>>>     
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>> 
>>   
> 
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.