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Who remembers these??

Posted: Mon Dec 07, 2015 6:14 pm
by teckniqs
Found this old, battered thing packed away the other day! ...Who remembers them?

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Re: Who remembers these??

Posted: Mon Dec 07, 2015 7:22 pm
by RF-Head
Yes i remember as i have one
The maker is also here on RN :)

Re: Who remembers these??

Posted: Mon Dec 07, 2015 7:51 pm
by radio-berlin
:D :D :shock: :D :D

Re: Who remembers these??

Posted: Mon Dec 07, 2015 8:24 pm
by teckniqs
What frequency was it set to??

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Re: Who remembers these??

Posted: Wed Dec 09, 2015 10:06 pm
by Shedbuilt
teckniqs wrote:What frequency was it set to??

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Don't think I ever saw one of these. Bit of a stab in the dark - without knowing the crystal frequency.
Assuming it's for Band II, I'll start the bidding at 101.5MHz....

Re: Who remembers these??

Posted: Wed Dec 09, 2015 10:47 pm
by Analyser
Sure I have one of these in my drawer of pirate history and I'll guess the frequency as being 106.5MHz. Shame it's so battered or you could check!

Re: Who remembers these??

Posted: Wed Dec 09, 2015 11:44 pm
by Shedbuilt
Analyser wrote:Sure I have one of these in my drawer of pirate history and I'll guess the frequency as being 106.5MHz. Shame it's so battered or you could check!
I missed one. Eyes or brain fart - not sure. I'll second your guess after a recount.

Re: Who remembers these??

Posted: Thu Dec 10, 2015 11:14 am
by Shedbuilt
builtinashed wrote:
Analyser wrote:Sure I have one of these in my drawer of pirate history and I'll guess the frequency as being 106.5MHz. Shame it's so battered or you could check!
I missed one. Eyes or brain fart - not sure. I'll second your guess after a recount.
8.192MHz crystal (removed), 500Hz loop reference frequency ?

Re: Who remembers these??

Posted: Thu Dec 10, 2015 11:55 am
by teckniqs
I was given it about 15 years ago from somebody in south London, maybe it came out of an old Hyper FM rig.
....the crystal has broken away and was not removed. :D

Re: Who remembers these??

Posted: Thu Dec 10, 2015 12:12 pm
by Shedbuilt
teckniqs wrote:I was given it about 15 years ago from somebody in south London, maybe it came out of an old Hyper FM rig.
....the crystal has broken away and was not removed. :D
Actually think I had a brain fart on the crystal frequency too. If any of what I said before is right, I think it should have been 4.096MHz (not 8.192MHz). Output from the 4060 looks to be on pin 2, which I think is Q13. If I remember rightly, that means divide rate of 2 to the power of 13, or 8192, so if the loop reference frequency is 500Hz, it should be 4.096MHz. If you've got one in your back pocket, you could put it in and try it out......
teckniqs wrote:maybe it came out of an old Hyper FM rig.
Who, by the power of google, seem to have been on 106.5 at one time........