This is the type I am using. Height 75mm. I have mounted two pieces on an aluminium strip.
The sinks do not get hot, just hand warm, so I expect one sink will do fine.
I will try to add some pictures, but this does not work on my crappy IPad, so I need to mail them from the IPad to my laptop to add them.
Regards,
An externally hosted image should be here but it was not working when we last tested it.
The sinks do not get hot, just hand warm, so I expect one sink will do fine.
I will try to add some pictures, but this does not work on my crappy IPad, so I need to mail them from the IPad to my laptop to add them.
Regards,
Don't you get any EMI on the rail with such long sense cables in the open?
Simpler is good when there is no measurable problem. Using 1R 2W botching it between the bridge and the filter cap (+) cuts on bridge produced EMI if it is detectable (depends on bridge diodes type and behavior).
That's why I like to use schottky diodes.
Most probably I will have interference with these long cables, but it is only temporary to see if it all works.
I need to tidy things up with the right diodes, transformer and short cables. I have some silmic 4700uf that I want to use as the first cap, silmic would sound better but the value is maybe a bit to low?
Regards,
Regarding CX01,CX02 and CX03,CX04 - I just realized that appendix 4 of the document only talks about CX03/CX04 and the fact that RX07 will have to be bridged if an Ecap is used.
What about CX01,CX02? According to the Bom its either 220uF Ecap or film - does the same principle as described in appendix 4 apply (do I have to remove RX04 if I use 220uF Ecap in CX01)?
Regards
Sven
What about CX01,CX02? According to the Bom its either 220uF Ecap or film - does the same principle as described in appendix 4 apply (do I have to remove RX04 if I use 220uF Ecap in CX01)?
Regards
Sven
So I've been trying to figure out what to put on the board - could somebody confirm?
DC in: 49VDC (35VAC)
V Out: 36VDC
Load Consumption: 80mA (line level preamplifier)
Constant current (Q101): 200mA (lets have a little headroom)
R101: 20R
R103: 7kR
R105: 2kR Trimmer
R102,106: 270R (Mosfet)
D102-4: 4x green, 2V
D105,106: 2x red, 1,9v
D101: Jumper
C102,104: 10uF film
I don't know if the R/film choice is the right one for my load - its Chokys Pumpkin preamplifier, schematics here.
Many Thanks
Sven
It should basically work as you configured it. R101 20R sounds high for 200mA though. Use the calculator from post 1.
They are Angela (rebranded Solen) MKP caps for tube amp usage; 4,7uF/600VDC. They are bit big but I have al lot of them lying around.
Regards,