Re: [time-nuts] End of Range Oscilloquartz 8600-3 (Pictures)

All, I have some pictures of the disassembled unitas of the state of it right now. Where can I upload them? 73 Ulf Kylenfall - SM6GXV ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] End of Range Oscilloquartz 8600-3

I got into the package out of the dewar of my FTS 1200-100 without breaking it: https://photos.google.com/share/AF1QipPxJF0Fn6_ gSjXQzk3OhoAhvgqizxmo4A41bIdyk8FrpkNIOfW5Q5feLwLsO4od8Q?key= NmRRejU0eEYtVUQ4ZURTMnE4cXZEOWtIVmtQZTZB -ch 73 de AI6KG On Tue, Dec 12, 2017 at 3:50 PM, Magnus

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Hi Ed, Thanks for the pictures. I had to change the dewar flask on one of mine, so I saw about the same thing some 10 years ago or so, but memory. Didn't go all the way into the oscillator. The oscillator picture is mirrored. Cheers, Magnus On 12/12/2017 06:32 PM, Ed Palmer wrote: It sounds

Re: [time-nuts] End of Range Oscilloquartz 8600-3

I looked at the photos, but can't make any sense of your comments about the multivibrator. Was this a joke? Dana On Tue, Dec 12, 2017 at 11:37 AM, Bob Albert via time-nuts < time-nuts@febo.com> wrote: > You found the secret. There is no RF wiring to the crystal. The > oscillator frequency

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Hi I would bet that the design changed a bit since 1983. That is a “long time ago” in terms of OCXO design. Since we are picking up this stuff surplus or pulling it out of older gear, who knows what era this or that example might come from. Bob > On Dec 12, 2017, at 12:32 PM, Ed Palmer

Re: [time-nuts] End of Range Oscilloquartz 8600-3

You found the secret.  There is no RF wiring to the crystal.  The oscillator frequency is determined elsewhere, with a free running multivibrator that is approximately on the right frequency.  All this talk about precision is baloney; the circuit is stable enough to fool even the experts. And

Re: [time-nuts] End of Range Oscilloquartz 8600-3

As much as the pictures are interesting the sites blasting out crazy amounts of ads Totally a problem. Touch anyone of them and off you go to whatever it was. Regards Paul WB8TSL On Tue, Dec 12, 2017 at 12:32 PM, Ed Palmer wrote: > It sounds like yours is different from

Re: [time-nuts] End of Range Oscilloquartz 8600-3

It sounds like yours is different from my 8601. How old is yours? From the label inside it looks like mine is from 1983. Internal pictures are here: http://s701.photobucket.com/user/edpalmer42/library/Oscilloquartz%208601%20Oscillator If you click on 'view as story' you'll see some comments

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Ulf Consider taking pictures of the process. That would be a great document for users that need help. Someone will post them on there web page. I have done this for things I have built and shared. Then we can see what you are running into. As you have seen you have a huge range of expertise. Can't

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Hi One of the basic issues with a quartz resonator is that it is sensitive to barometric pressure. Some are more sensitive than others, but there always is some effect. Various techniques get used to isolate the resonator. Solder sealing (or welding) the package closed is one of them. The

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Can you get an x-ray of the core? Sent from Yahoo Mail for iPad On Tuesday, December 12, 2017, 12:00 AM, Ulf Kylenfall via time-nuts wrote: Emailed Oscilloquartz that now has another name: Advaoptical... This in my capacity as aresearch engineer at Onsala Space

Re: [time-nuts] End of Range Oscilloquartz 8600-3

Emailed Oscilloquartz that now has another name: Advaoptical... This in my capacity as aresearch engineer at Onsala Space Observatory.And the oscillator is at my work bench. Nothingprivate/hobby about this. The answer was that since we do not have a service agreement,they would not disclose