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Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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12th Jun 2018, 12:06 pm | #21 |
Octode
Join Date: Jun 2013
Location: Fleet, Hampshire, UK
Posts: 1,764
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Re: Sig Gen Advice
Yes the pictures are a bit crap, I took several and that was the best I could get. Searching for images of "Motorola plug" I get something that looks like it would fit. I'll have a look and see if I can get any online, cheers
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12th Jun 2018, 12:12 pm | #22 |
Moderator
Join Date: Jan 2003
Location: Ipswich, Suffolk, IP4, UK.
Posts: 21,192
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Re: Sig Gen Advice
I've just checked my Advance P1 SG and found it uses a car aerial type socket and plug.
These generators came with a termination pad which is often missing. Details in this thread:- https://www.vintage-radio.net/forum/...ad.php?t=56666
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Graham. Forum Moderator Reach for your meter before you reach for your soldering iron. |
12th Jun 2018, 12:13 pm | #23 |
Moderator
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Location: Ipswich, Suffolk, IP4, UK.
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Re: Sig Gen Advice
Hang on a bit. I may be able to find you a plug with a lead attached.
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Graham. Forum Moderator Reach for your meter before you reach for your soldering iron. |
12th Jun 2018, 12:21 pm | #24 |
Octode
Join Date: Jun 2013
Location: Fleet, Hampshire, UK
Posts: 1,764
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Re: Sig Gen Advice
That's very kind of you graham, please let me know how much you would like for it.
I wasn't aware of the termination pad so that will also be missing but looks pretty simple to construct from the link Cheers Adam |
12th Jun 2018, 12:57 pm | #25 |
Dekatron
Join Date: Nov 2009
Location: Lincolnshire, UK.
Posts: 4,985
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Re: Sig Gen Advice
Very good! It'll probably just work. I've not seen them with that type of connector before. Just strip back the end of a piece of coax and double up the inner so it makes contact with the inner of the socket and the braid contacting the outer without shorting and see if you get an output on a scope, then you can look for the proper type connectors, or possibly think about changing the sockets for better types.
There's a strange bolt and washer next to the modulation switch - possibly someones idea for an extra internal earthing connection? |
12th Jun 2018, 1:14 pm | #26 |
Octode
Join Date: Jun 2013
Location: Fleet, Hampshire, UK
Posts: 1,764
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Re: Sig Gen Advice
Yes I wondered that, I haven't had a look inside yet, Ill let you know when I do
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12th Jun 2018, 3:02 pm | #27 | |
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Location: Ipswich, Suffolk, IP4, UK.
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Re: Sig Gen Advice
Quote:
I found a plug and lead, but the crimped connection between the plug and the outer conductor of the coaxial cable is a bit dodgy, ie high resistance. The last thing you want is a dodgy test lead, it'll lead you a merry dance. So you'll need to get a new lead, These are sometimes sold as car aerial extension leads. For example:- https://www.amazon.co.uk/Autoleads-P...1K2P7A19TAXKA7 A better bet would be to change the socket on the SG to a BNC type. Test leads for these are readily available.
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Graham. Forum Moderator Reach for your meter before you reach for your soldering iron. |
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12th Jun 2018, 4:19 pm | #28 |
Octode
Join Date: Jun 2013
Location: Fleet, Hampshire, UK
Posts: 1,764
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Re: Sig Gen Advice
Thanks very much for looking, that's gives me a few options
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