Andrew,
I wonder if you'd consider adding a couple of columns for me.
+- rail voltage and maximum output power.
I think alot of builders would find it very useful (I certainly would).
Regards
Andy
There seems to be a fundamental disagreement on the voltage drop from the +-V supply rails to the maximum voltage peak delivered to a resistive test load.
A table of supply rail to max power cannot be done until that disagreement is removed.
A table of supply rail to max power cannot be done until that disagreement is removed.
The Panasonic ECG resistors can take a lot of punishment -- but they do like to be off the PCB a bit so air can circulate.
For best sonics, imo, oversize ALL resistors.
My rule of thumb is to run them at <50% rating.
_-_-bear
My rule of thumb is to run them at <50% rating.
_-_-bear
me? reasonable?
Ha!
I also like fat traces and big pads... space on the board (if possible)...
_-_-bear
Ha!
I also like fat traces and big pads... space on the board (if possible)...
_-_-bear
Same here. It doesn't cost any more to leave more coopper on the board so why not? The extra space costs but I don't care.
Alternative would be to gang-shabang for 10R in TO-126.
Means switching positons of R5/R6 and the testpoints, to make room for a heatsink.
(Caddock MP915 for under $2 or Bourns PWR221T at $1.35, for 100 up)
Means switching positons of R5/R6 and the testpoints, to make room for a heatsink.
(Caddock MP915 for under $2 or Bourns PWR221T at $1.35, for 100 up)
Jacco,
Found the datasheets for both models.
They are both 5.08mm spacing so are already catered for on the boards.
🙂
Found the datasheets for both models.
They are both 5.08mm spacing so are already catered for on the boards.
🙂
Heat sinks for rectifiers are big enough? In my F4s 8 Hexfreds heat up a black anodized 300mm x 300mm x 6mm aluminum ground plate to almost 60°C (after a day or so).
Regards
Sven
Regards
Sven
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