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From: JM <sunaecoNoChoppedPork@gmail.com>
Newsgroups: sci.electronics.design
Subject: Re: 1kHz 130dB distortion sinewave oscillator.
Date: Thu, 06 Feb 2025 05:07:25 +0000
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On Sat, 1 Feb 2025 22:12:30 -0500, "Edward Rawde"
<invalid@invalid.invalid> wrote:

>"JM" <sunaecoNoChoppedPork@gmail.com> wrote in message news:0rgtpjlopt521i824vurfan2jkiljk5ph3@4ax.com...
>>
>> I you're using polyphase sampling you may as well use a svo.  The
>> LT115 is not a good choice - it's phase margin is close to zero and it
>> is liable to sing at about 25MHz.
>>
>
>Very interesting circuit. Thank you.
>
>Is there a suitable available alternative to LT1115?

OPA1655/56

>I have seen LT1115 oscillate at 24 MHz in LTSpice 24.1.1
>It doesn't seem to always happen and when it does a little extra load on the output seems to get rid of it.
>
>2N4391 doesn't seem to be available at a reasonable price but J113 is. 
>