14th Dec 2022, 9:50 pm
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#8
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Heptode
Join Date: Feb 2022
Location: Leicestershire, UK.
Posts: 690
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Re: Cap question - GPO Series 300
Quote:
Originally Posted by russell
I've never considered building an exchange before, although I seem to remember one in (I think) Practical Electronics from the '70s. I'm afraid the only telephonic non-network interchange I've put together at home involved a couple of Type 'F' field-telephones, a 4109B (Ericsson N2185A similar), and an Irish P&T 100M 552/2 connected on a party line (shed, office, living room, living room) for when our girls were little. 'What's in the freezer for tea, dad?' Well, it was for me, really.
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Practical Electronics detailed an electronic exchange in their October issue this year.
Rog
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