[hpsdr] SMT LEDs Help

Greg - ZL3IX zl3ix at inet.net.nz
Sat Jul 10 13:16:04 PDT 2010


With most LED's, where the Vf does not exceed 2V, you can check them 
using a DVM on the continuity setting (beeper)  If you connect the meter 
leads the right way round you will see a faint glow if you are not in 
direct sunlight.  You should even see the Vf value on the meter scale.

73, Greg, ZL3IX

On 2010-07-11 06:54, Pat McGrath wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I need to identify the marked end for a LTST-C170CKT SMT LED.
>
> How do I know the madked end?  What should I be looking for?
>
> What is the best way to identify the Anode and the cathode ?
>
>
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