Per owners manual of the TS-440 it should be 500mV or less. I’ve attached a screen shot of the only page that addresses input voltages for that connector.

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Bryan & John - I just realized it would be much simpler for me to use the AFSK input and output RCA jacks to the TS-440s to verify the DRAWS card will be able to drive the transmitter before tearing i

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Bryan & John - I have searched the Kenwood documentation and can't find a spec for the Data Input line on the 13 DIN connector. That said I have found a mod that changes where the Data Input ties into

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Max Output from DRAWS is ~3.2V Peak to Peak Bryan

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What is the spec for the PTP input voltage?

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Team - The DRAWS TI DAC does not have enough audio output to drive the Kenwood TS-440S Data Input connection which is on pin 11 of the 13 pin DIN connector on the back of the radio. This is not a issu

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Fellow DRAWs Early Adopters, I am happy to report I am making progress with getting the DRAWS card to work with the Kenwood TS-440S on HF digital modes. I have JS8Call & WSJT-X FT8 Mode decoding signa

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