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6th Feb 2018, 9:52 pm | #1 |
Pentode
Join Date: Jan 2014
Location: Huddersfield, West Yorkshire, UK.
Posts: 129
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HV power supply
Following recent discussion about HV power supply circuits
HV power supply with PL504 and EF80 on board 115-330 V ,70 mA (HT transformer limit) Inside 3 transformers. small -provide power for cooling fun and voltmeter , mid- heater of PL504 and HT transformer darius |
6th Feb 2018, 10:14 pm | #2 |
Dekatron
Join Date: Nov 2006
Location: London, UK.
Posts: 3,496
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Re: HV power supply
Nice work!
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Al |
7th Feb 2018, 7:23 am | #3 |
Dekatron
Join Date: Jul 2009
Location: Sleaford, Lincs. UK.
Posts: 7,667
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Re: HV power supply
Good job, did you do the LV PSU yourself?
Andy.
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Curiosity hasn't killed this cat...so far. |
7th Feb 2018, 10:16 pm | #4 |
Dekatron
Join Date: Jan 2004
Location: Newcastle upon Tyne, Tyne & Wear, UK.
Posts: 8,195
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Re: HV power supply
Hi Darius, can you publish the circuit?
Ed |
7th Feb 2018, 11:01 pm | #5 |
Rest in Peace
Join Date: Jun 2006
Location: Chard, South Somerset, UK.
Posts: 7,457
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Re: HV power supply
Interesting case: to me, the front panel said 'Philips', but the rest of the case said 'Marconi' - and rather loudly, too!
Al. |
7th Feb 2018, 11:40 pm | #6 |
Hexode
Join Date: Jul 2007
Location: Edinburgh, UK.
Posts: 344
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Re: HV power supply
Hi,
It looks like the metal work from a redundant Telequipment D43 oscilloscope plug-in to me Ross |
9th Feb 2018, 7:53 pm | #7 |
Pentode
Join Date: Jan 2014
Location: Huddersfield, West Yorkshire, UK.
Posts: 129
|
Re: HV power supply
Hi,
Skywave - really good eye case are marconi and front panel made to look like philips )))) Ed_Dinning -basic circuit in these thread https://www.vintage-radio.net/forum/...d.php?t=143178 post #12, minor changes it was built from "parts in drawer" Diabolical Artificer - LV PSU ?? It's my "small" HT PSU for powering preamps etc. when I not want to power big PSU Darius |
10th Feb 2018, 7:29 am | #8 |
Dekatron
Join Date: Jul 2009
Location: Sleaford, Lincs. UK.
Posts: 7,667
|
Re: HV power supply
LV PSU = the PSU to power the LCD meter.
A.
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Curiosity hasn't killed this cat...so far. |
10th Feb 2018, 9:30 am | #9 |
Pentode
Join Date: Jan 2014
Location: Huddersfield, West Yorkshire, UK.
Posts: 129
|
Re: HV power supply
it's simply circuit with LM7905 I don't want to call it "PSU" darius |