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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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Old 22nd Oct 2010, 7:37 am   #1
ppppenguin's Avatar
Join Date: Dec 2003
Location: North London, UK.
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Default Photomultiplier data

There have been occasional threads about photomultipliers in the forum. The main UK manufacturer used to be Thorn-EMI Electron tubes in Ruislip, Middx. The compnay has been through various hands and their current website is: There are data sheets freely downloadable which may include some of the historic types that we may encounter.

If that source of data fails I have an EMI PMT data book from 1970. I have occasionally scanned entries where members have needed specific data.
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Old 22nd Oct 2010, 9:04 pm   #2
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Location: Kempton Park, Gauteng, South Africa.
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Default Re: Photomultiplier data

I used to be a spectrographic engineer (okay, a 30 year technician) we used the Jap ones as they were the only ones really producing them.
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Old 23rd Oct 2010, 1:26 pm   #3
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Join Date: Feb 2005
Location: Worcestershire, UK.
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Default Re: Photomultiplier data

Thanks for this link Jeffrey. If you're into photomultipliers (PMTs), these are discussed in depth on the NBTVA board, such as here.

Thanks to Sean Williams, I was able to obtain a rare red-sensitive example of this device and as a result my 30-line NBTV camera can use one PMT for each primary colour. This was captured from the mechanical monitor's display.

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