[time-nuts] Totally unrelated, but..
cjaysharp at gmail.com
Wed Dec 7 18:48:13 EST 2016
I've no doubt there are many excellent low noise regulators out there that
are orders of magnitude better than the 78xx series, but there are also
many that claim low noise as a headline feature and are actually worse
when you dig into the specification.
On 7 Dec 2016 23:42, "Richard (Rick) Karlquist" <richard at karlquist.com>
> On 12/7/2016 12:16 PM, Clint Jay wrote:
>> I was looking for a low noise regulator to power a log amp/detector
>> this year and was rather surprised to find the 78xx regulators were
>> considerably better than many of the "low noise" devices.
> Are you kidding me? Check out the Linear Technology LT3042 and
> LT3045 with 2 (yes, TWO) NANOVOLTS/root-Hz spot noise. Orders of
> magnitude better than the 78XX introduced 45 years ago.
> Rick N6RK
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