[time-nuts] TADD-2 Mini Sine or Square signal input?
Edgardo Molina
xe1xus at amsat.org
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
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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.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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