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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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Old 22nd Oct 2019, 9:25 pm   #1
WME_bill
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Join Date: Oct 2007
Location: Exeter, Devon, UK.
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Default Solartron AS1410 power supplies

I have been asked for information about the AS1414 power supply, one of the AS1410 family.
When introduced in 1964, they were well ahead of other designs as they used a pulsed SCR to switch the input feed so that the series pass transistor only had about 5 volts to drop at the chosen output voltage and the power dissipated was kept down.
I find it very convenient to use, with the current meter full scale being effectively at the current limit setting and the digital voltage setting.
I attach a specification sheet covering all models as it may be of general interest. I have the full manual and PCBoard layouts.
wme_bill
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File Type: pdf AS1410 series psu_specifications-wm.pdf (814.8 KB, 42 views)
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Old 23rd Oct 2019, 12:35 am   #2
M3VUV51
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Location: Horncastle, Lincolnshire, UK.
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Default Re: Solartron AS1410 power supplies

sounds like a clever idea,be nice to see the schematic to see how they did it.
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Old 23rd Oct 2019, 2:07 pm   #3
jez_145
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Default Re: Solartron AS1410 power supplies

Yes, they are a good supply and well ahead of their time as you say. Mine is still going strong (attached) though I tend to use a modern triple supply most of the time these days. I'm not sure how old it is but I've had it at least 26 years and the company I worked for must have had it even longer - probably from new. I acquired it when they were skipping old kit prior to a move.

I've attached a rough pdf, which is similar to the previous upload but includes a couple of circuit diagrams if anyone is interested.

Jerry
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File Type: pdf Solartron_AS1412 & 1414 psu_circuits-wm (1).pdf (909.2 KB, 19 views)
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