From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bosmailout09.eigbox.net (bosmailout09.eigbox.net [66.96.187.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id ED7AE3B29D for ; Wed, 30 Jun 2021 14:04:34 -0400 (EDT) Received: from bosmailscan10.eigbox.net ([10.20.15.10]) by bosmailout09.eigbox.net with esmtp (Exim) id 1lyeZe-0005bf-JE for starlink@lists.bufferbloat.net; Wed, 30 Jun 2021 14:04:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alum.mit.edu; s=dkim; h=Sender:Content-Type:MIME-Version:Message-ID:Date: Subject:In-Reply-To:References:Cc:To:From:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=QGzil13FN97ng4cbsBaPAPj5qIh6JfvaeuO+4dCkl5k=; b=gUzORfmpBHSut+mIWjyg9pc4lE BDE9/U844v/n9Lmev0Q9YWSXzZLaArsSI6Jpe7jVvRft/N8L+C3mc2zEMOMYE4kGimSneoI1eVL5j cw7485mBTo/ULHCaEIYreCsXX2n/yX8UZUcQR533hmeYSLEjCR89ZylG/1iuEWaf297cjgtRCfWAa KkxyNZa7xFXRr/L3JcKQ18mGnFH/zK3uV7NPYnyRwBRDO0Y2AlIg5Q5mMmKHJ6+aeAv3Ql0a3i4tD kfYP+6o1Z4tzbTfiY4b2BbNy4F7tcdgf8iDrm0yuSF+VGoz9WmnLSqGAipcKUmXfWR42MomefY/qc ahqvWoRA==; Received: from [10.115.3.34] (helo=bosimpout04) by bosmailscan10.eigbox.net with esmtp (Exim) id 1lyeZe-000162-B6 for starlink@lists.bufferbloat.net; Wed, 30 Jun 2021 14:04:34 -0400 Received: from bosauthsmtp07.yourhostingaccount.com ([10.20.18.7]) by bosimpout04 with id PW4X25001099BUA01W4a6F; Wed, 30 Jun 2021 14:04:34 -0400 X-Authority-Analysis: v=2.1 cv=OaEWD3jY c=1 sm=1 tr=0 a=x8qw8EAkfcRkIpZA8Q87Bg==:117 a=x+7tlP9+fMpTIVJEmcsKvw==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=r6YtysWOX24A:10 a=Wo7qeYC63mUA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=kurRqvosAAAA:8 a=IKQE4I-PAAAA:8 a=DgMb4T4i4ebA10qbFuEA:9 a=CjuIK1q_8ugA:10 a=SSmOFEACAAAA:8 a=Kv8fFVwW-wZbldy5UXgA:9 a=W3R4_61_LPdyF4hd:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=kbxRQ_lfPIoQnHsAj2-A:22 a=cuXHui4TtXjO1RYPZLYv:22 Received: from c-73-222-32-85.hsd1.ca.comcast.net ([73.222.32.85]:64887 helo=SRA6) by bosauthsmtp07.eigbox.net with esmtpa (Exim) id 1lyeZa-0003jY-Q9; Wed, 30 Jun 2021 14:04:30 -0400 Reply-To: From: "Dick Roy" To: "'Nathan Owens'" Cc: References: In-Reply-To: Date: Wed, 30 Jun 2021 11:04:27 -0700 Organization: SRA Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0207_01D76D9F.B38CB650" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Addt1XsDrmfdpcU4SzSlebL2HJ1IyAABI4xQ X-MimeOLE: Produced By Microsoft MimeOLE X-EN-UserInfo: f809475445fb8041985048e338e1a001:931c98230c6409dcc37fa7e93b490c27 X-EN-AuthUser: dickroy@intellicommunications.com Sender: "Dick Roy" X-EN-OrigIP: 73.222.32.85 X-EN-OrigHost: c-73-222-32-85.hsd1.ca.comcast.net Subject: Re: [Starlink] For all you PHY enthusiasists X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jun 2021 18:04:35 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_0207_01D76D9F.B38CB650 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit _____ From: Nathan Owens [mailto:nathan@nathan.io] Sent: Wednesday, June 30, 2021 10:29 AM To: dickroy@alum.mit.edu Cc: starlink@lists.bufferbloat.net Subject: Re: [Starlink] For all you PHY enthusiasists What's state of the art that isn't space rated? [RR] Obviously lots of things like the WiFi chips in every device on the planet (not in space):^))))) I assume wayyy more capable than this thing? The Xilinx Ultrascale+ RFSOC has 16x 2.5GSP ADCs or 8x at 5GSP with 14 bits, and that's sorta old tech at 16nm. [RR] Just a matter of price/performance tradeoffs at this point . agreed! That said, space hardening comes at a cost . On Wed, Jun 30, 2021 at 9:01 AM Dick Roy wrote: FYI all PHY enthusiasts . https://www.electronicdesign.com/markets/defense/article/21168402/microwaves -rf-fourchannel-adc-makes-the-grade-for-space?utm_source=EG%20ED%20Today &utm_medium=email&utm_campaign=CPS210625102&o_eid=5487F0022834D6Y&rdx.ident% 5Bpull%5D=omeda%7C5487F0022834D6Y&oly_enc_id=5487F0022834D6Y This is especially relevant for smart antenna geeks! Cheers, RR _______________________________________________ Starlink mailing list Starlink@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/starlink ------=_NextPart_000_0207_01D76D9F.B38CB650 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

 

From: = Nathan Owens [mailto:nathan@nathan.io]
Sent: Wednesday, June 30, = 2021 10:29 AM
To: dickroy@alum.mit.edu
Cc: = starlink@lists.bufferbloat.net
Subject: Re: [Starlink] = For all you PHY enthusiasists

 

What’s state of the art that isn’t space rated? =

[RR] Obviously lots of things like the WiFi chips in = every device on the planet (not in = space):^)))))

I assume wayyy more capable than this thing? The Xilinx = Ultrascale+ RFSOC has 16x 2.5GSP ADCs or 8x at 5GSP with 14 bits, and that’s = sorta old tech at 16nm. 

[RR] Just a matter of price/performance tradeoffs at = this point … agreed!  That said, space hardening comes at a cost = …

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