Howard Attached GIf file depicts the recommended power supply filtering when the oven circuit shares the same supply as the oscillator. Bruce

Bruce (or anyone really)... I was comparing that schematic for the 10544A with the schematic in the 10811 manual. The 10811 has no mention of the inductor/cap combo, so I'm guessing it is not needed when using a single power source? Jason > Attached GIf file depicts the recommended power supply filtering when > the oven circuit shares the same supply as the oscillator. > > Bruce

True, the 10811 does not have a switching regulator for the oven circuitry. John WA4WDL ----- Original Message ----- From: "Jason Rabel" <jason@extremeoverclocking.com> To: "'Discussion of precise time and frequency measurement'" <time-nuts@febo.com> Sent: Saturday, February 03, 2007 11:08 AM Subject: Re: [time-nuts] HP10544a Technical Info needed - Filtering withsingle power source > Bruce (or anyone really)... > > I was comparing that schematic for the 10544A with the schematic in the > 10811 manual. The 10811 has no mention of the inductor/cap combo, so I'm > guessing it is not needed when using a single power source? > > Jason > >> Attached GIf file depicts the recommended power supply filtering when >> the oven circuit shares the same supply as the oscillator. >> >> Bruce > > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >

Shera Board. This is a complete board already populated. Also an Oncore UT+ and EG&G H176B 10 MHz osc (drop in replacement for HP 10811 or 10544 series) Please contact Henry, KT1J if interested at: kt1j@wcvt.com 73, Mike, N1JEZ "A closed mouth gathers no feet"

Subject line sez all. Picked this up recently with some other GPS related stuff. Google hasn't been my friend on this-at least so far! Picture here. http://homepages.ihug.co.nz/~tractorb/ashtech.jpg I've taken the top cover off the metal box and its sitting on the scanner next to the exposed top of the pcb. DaveB, NZ

I got the same from eBay. It's a Magellan - Ashtech G8, info at ftp://ftp.magellangps.com/OEM,%20Sensor%20&%20ADU/g8/Reference%20Material/ I have not turned on mine yet... Didier KO4BB Dave Brown wrote: > Subject line sez all. Picked this up recently with some other GPS > related stuff. > Google hasn't been my friend on this-at least so far! > > Picture here. > http://homepages.ihug.co.nz/~tractorb/ashtech.jpg > I've taken the top cover off the metal box and its sitting on the > scanner next to the exposed top of the pcb. > > DaveB, NZ > > >