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Re: [tracker2] OT USB max mic voltage?

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  • F1MHV
    Thank you for the feedback Danny. So i have options: to shunt R5 and/or to increase R4… 73 de Cyril
    Message 1 of 12 , Mar 5, 2013
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      Thank you for the feedback Danny. So i have options: to shunt R5 and/or to increase R4…

      73 de Cyril

      Le 5 mars 2013 à 19:12, K2DMS a écrit :

      > Cyril,
      > I replied to your last question on our private conversation and your mail service rejected my message.
      > [quote]
      > This Message was undeliverable due to the following reason:
      > Each of the following recipients was rejected by a remote mail server.
      > The reasons given by the server are included to help you determine why
      > each recipient was rejected.
      > Recipient: <F1MHV@...>
      > Reason: Too many spams from your IP (, please visit http://postmaster.free.fr/
      > [/quote]
      > That apparently is the IP of Road Runner's MTA. Perhaps you get spam from there unrelated to our messages.
      > In any case my answer was...
      > "Mine is a v1.1 and I currently have R4 at 1.5k (was 6.8k) because the output was way too hot."
      > 73
      > Danny
      > K2DMS
      > --- In tracker2@yahoogroups.com, "f1mhv" <F1MHV@...> wrote:
      >> unfortunately not: back with the hobby since 2/3 years after a 20 years break, i am still very basically equipped, no shack at home, operating mainly /AM et some /P.
      >> May be some software working with sound card to check audio output?
      >> Cyril
      >> --- In tracker2@yahoogroups.com, Scott Miller <scott@> wrote:
      >>> I can't find my notes on the OTUSB output levels right now. Do you have
      >>> an oscilloscope to check what it's putting out?
      >>> Scott
      >>> On 3/2/2013 10:57 PM, f1mhv wrote:
      >>>> Good morning Scott,
      >>>> Last night i performed my first test on 30m operating /AM. Audio setting
      >>>> wise, HI jumper was set to high, and being able to monitor the AFSK
      >>>> output thru headsets, even with TXLEVEL set to 255, i found the AFSK
      >>>> level very weak (10 to 15%) compare to normal voice using dedicated hand
      >>>> mike or boom headset. Both devices data are mentioning an output of
      >>>> 400mv: what about the OTUSB?
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