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Thread: Any ideas?

  1. #21
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    UPDATE: I went ahead and stopped in to VR today as I was on my way back from kentucky, and they say that it fell out of calibration and needed re-tuned. I decided to go ahead and get the upgrade w/euromode and see if this rumor of it being quiet is true...

    Kind of worrysome on my part though, if I didnt have the x50 in the car, I would have had a ticket.

    Just out of curiosity, has anyone else run into the same problem I had?

  2. #22
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    I don't suppose they said whether or not there is a way to know that is it out of calibration and what would cause it?

  3. #23
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    Quote Originally Posted by Sethy
    UPDATE: I went ahead and stopped in to VR today as I was on my way back from kentucky, and they say that it fell out of calibration and needed re-tuned.
    Any more detail on this? That is kind of a generic statement. What, specifically, went out of tune? (I'm guessing the local oscillator frequency) And why? Are these things not likely to work effectively over a long period of time?

  4. #24
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    She didn't really tell me. She took it back to the technitions to test, and I waited up front. She came back and just told me that it fell out of tune and needed retuned. I didn't want to come off as an asshole and ask a billion questions, because we both were having a bad day of the looks of things.

    I wonder why v1 doesnt have a self cal on their units, or at least somthing to tell you that it fell out of tune :shock:

  5. #25
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    Quote Originally Posted by Sethy
    I wonder why v1 doesnt have a self cal on their units, or at least somthing to tell you that it fell out of tune :shock:
    Because it is difficult and costly. Actually, just costlly. But it would be a quality and performance improvement. If you would, please ask if it is a VCO (voltage controlled oscillator), DRO (dielectric resonant), and if it has an internal reference frequency and is phase locked.

    No, this isn't giving away any secrets, you could open it up and find these things out. Perhaps the reference crystal oscillator drifted off frequency?

    Edit: After I posted this I realized it might be too late to ask this, but you have more of a relationship with them than any of us.

  6. #26
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    Not true VR keeps to themselves like Belescort. This industry is so cut throat that every company thinks there are spies out there trying to steal information


    Quote Originally Posted by lifespeed
    Quote Originally Posted by Sethy
    I wonder why v1 doesnt have a self cal on their units, or at least somthing to tell you that it fell out of tune :shock:
    Because it is difficult and costly. Actually, just costlly. But it would be a quality and performance improvement. If you would, please ask if it is a VCO (voltage controlled oscillator), DRO (dielectric resonant), and if it has an internal reference frequency and is phase locked.

    No, this isn't giving away any secrets, you could open it up and find these things out. Perhaps the reference crystal oscillator drifted off frequency?

    Edit: After I posted this I realized it might be too late to ask this, but you have more of a relationship with them than any of us.
    RIP Duncan my BELOVED black lab son 8/7/99-3/23/11. I will miss you DEARLY.


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  7. #27
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    Very interestring once i had my V1 only half plugged in, Wow "A" mode acted like "L" mode........ so maybe sethy you have a power supply prob. 450ma dude!. What other things you got from radar roy plugged into that little power plug? The way i fixed my V1 813 was to turn it off then back on set it back to factory set then off again back on then reset it back my favorites. After that good as gold... Now i'm sure the lady was having a bad day because she's a lady. You need to get married then you will agree :cry:

  8. #28
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    Like I said: I could open it up and learn almost everything I described in a few hours. Still couldn't easily steal his secrets, tho.

    The devil is in the details.

    Quote Originally Posted by happya$$
    Not true VR keeps to themselves like Belescort. This industry is so cut throat that every company thinks there are spies out there trying to steal information

    Quote Originally Posted by lifespeed
    No, this isn't giving away any secrets, you could open it up and find these things out. Perhaps the reference crystal oscillator drifted off frequency?

  9. #29
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    Lifespeed, I like the avater. Is that a TI99/4A? Reminds me of the old days playing Parsec and Hunt the Wumpus

    Quote Originally Posted by lifespeed
    If you would, please ask if it is a VCO (voltage controlled oscillator), DRO (dielectric resonant), and if it has an internal reference frequency and is phase locked.
    Yes it is a VCO, not a DRO though, FET. Internal reference? I'm pretty sure NO. Phase locked? I dont think so. There's a LOT of different adjustments in the V1, with very few being mechanincal. Most of them are adjusted electronically by an automatic test and alignment process.

    Jim

  10. #30
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    Quote Originally Posted by jimbonzzz
    Lifespeed, I like the avater. Is that a TI99/4A? Reminds me of the old days playing Parsec and Hunt the Wumpus
    Yes it is a VCO, not a DRO though, FET. Internal reference? I'm pretty sure NO. Phase locked? I dont think so. There's a LOT of different adjustments in the V1, with very few being mechanincal. Most of them are adjusted electronically by an automatic test and alignment process.
    Jim
    Yeah, its a TI-99/4A. My first computer, I must be dating myself.

    Sounds like a potentially drifty setup. No reference crystal to lock the local oscillator frequency? So what do you have to do with the V1, send it in for a "tune-up" occasionally? Do they drift over temperature? Accuracy matters, right? K band is only 100 Mhz wide, isn't it?

 

 

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