That is correct. You need either ~15dB ENR or an amplifier with at least 10dB gain between the 6 dB ENR noise source and the 8970 input. I use an 8447D when I don’t have a 15 dB ENR noise source handy.
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On Mar 18, 2025, at 8:38?AM, Ed Marciniak via groups.io <ed@...> wrote:
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I recall someone telling me that special function will not work with a ~6db ENR source
