>From https://www.maximintegrated.com/en/design/packaging/topmark/ the MAX3949 >is marked "AJK". I suspect BAA is some sort of date code.
> Sent: Wednesday, October 11, 2017 at 2:28 PM > From: "Larry McDavid" <lmcda...@lmceng.com> > To: teksco...@yahoogroups.com, "Time-Nuts Mail List" <time-nuts@febo.com>, > "HP Aglient Reflector" <hp_agilent_equipm...@yahoogroups.com> > Subject: Re: [time-nuts] Fast Rise/Fall Time Pulser > > The Leo Bodnar pulser output level is adjustable but at outputs higher > than some 1 v P-P the rise/fall times increase. I reported the ~0.95 v > P-P as what was reported on the datasheet for *my* pulser. > > Ok, per Leo's August 7, 2017 post, the output device is a Maxim MAX3949. > Mine is marked, "AJK BAA." Does anyone know the origin or significance > of that marking? > > Per Leo's August 5, 2017 post, the pulser fastest rise time occurs when > the output level is set to 820 mv and the scope reports 976 mvpp. That > is consistent with what is reported for my pulser on the supplied test > datasheet. > > Why would you want to set the output level higher than that at which the > risetime is fastest? ~ 1 vpp seems enough. > > Larry > > > On 10/11/2017 8:29 AM, David DiGiacomo teli...@davmar.org [TekScopes] wrote: > > On Tue, Oct 10, 2017 at 11:01 PM, Larry McDavid <lmcda...@lmceng.com> wrote: > > > Neither the Analog Devices nor the Maxim part (see below) data sheets > > > suggest the markings actually seen on the device used on the Leo Bodnar > > > pulser I received. As recently as July 8, 2017 Leo Bodnar described the > > > device as "based on 572 comparator from AD" in a posting on EEVblog. > > > > The Maxim datasheet doesn't say anything about the product marking. > > > > Here's Leo's later post: > > https://www.eevblog.com/forum/projects/yet-another-fast-edge-pulse-generator/msg1275011/#msg1275011 > > > > > One poster commented on the high pulse voltage of ±1 volt; that is not > > > correct. The Leo Bodnar pulser output is about 0.95 v P-P. > > > > It's adjustable up to 1.2VPP into 50ohms, or 2.4VPP open circuit. > > > > Product page: > > http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=124&products_id=295 > -- > Best wishes, > > Larry McDavid W6FUB > Anaheim, California (SE of Los Angeles, near Disneyland) > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.