2017-08-14, 02:43
Assuming you are talking about the low pass filter - ltc1569-7 - one edge off it should be bevelled. With the bevel on the left, furthest pin away from you on left side is pin 1.
http://cds.linear.com/docs/en/datasheet/15697fs.pdf
Also, found a prior thread with pix.
https://forum.blitzortung.org/showthread.php?tid=1816
http://cds.linear.com/docs/en/datasheet/15697fs.pdf
Also, found a prior thread with pix.
https://forum.blitzortung.org/showthread.php?tid=1816
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