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| Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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21st Oct 2019, 12:22 pm
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#1 |
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Heptode
Join Date: Apr 2009
Location: Scratby, Norfolk, UK.
Posts: 649
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Eddystone diecast boxes.
Hi,
Whilst turning out some old junk, I came across a boxful of old Eddystone diecast boxes (JV Murcott manufacture). These included 1 x 27134/IP/BP 111mm x 60mm 4 x 10758P/BP 145mm x 95mm 1 x 11130P/BP 125mm x 125mm All unused. They came from Eddystone when the stores was cleared. BUT They are all only 15mm approx thick with the lids on. I can't imagine what these would have been used for. Any Ideas? Kind regards Dave |
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21st Oct 2019, 1:05 pm
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#2 |
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Dekatron
Join Date: Sep 2007
Location: Oxfordshire, UK.
Posts: 4,311
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Re: Eddystone diecast boxes.
A high-frequency small-signal RF pcb with SMA connectors, or with larger connectors mounted through the bottom of the box ?
Cheers, GJ
__________________
http://www.ampregen.com |
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21st Oct 2019, 1:07 pm
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#3 |
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Dekatron
Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,995
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Re: Eddystone diecast boxes.
I remember using those shallow Eddystone diecasts for mounting heater- and low-HT-rail feedthrough-capacitors in RF applications where the spec had been tightened and the original design didn't meet the 'conducted' component of the new spec.
Bolt a really-shallow Eddybox over the existing unfiltered holes in the chassis, fit the feedthroughs, re-test and you'd got a nice 20dB reduction in unwanted RF leakage. For reasons-forgotten, the filterboxes were always painted a very pale blue! |
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21st Oct 2019, 11:33 pm
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#4 |
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Heptode
Join Date: Apr 2009
Location: Scratby, Norfolk, UK.
Posts: 649
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Re: Eddystone diecast boxes.
Hi,
Many thanks for the replies. Certainly food for thought! Kind regards Dave |
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