| Attachment | Size |
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Hi,
I thought it might be of interest to share the components temperature (Celsius) that I measured with a small IR thermometer. I bought this after I burnt my finger testing some 74161 ;-)
| Attachment | Size |
|---|---|
| 9.27 KB |
Hi,
I thought it might be of interest to share the components temperature (Celsius) that I measured with a small IR thermometer. I bought this after I burnt my finger testing some 74161 ;-)
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I dun know, 5300 seems a little hot. ;-) (oh, 5300 uF @38C)
Small caps seem to be generating a lot of heat. And, of course, the 5v regulator
This is where Uncle Bernie's switching power supply mods really help.
My guess is that the heat from LM 323 5V regulator is causing that high temperature. The + side of the 5300 µF is only at 25c and the - side, close to the LM 323, is at 38c. I might try later on to put a heat screen to see the result.