24 Aug
2012
24 Aug
'12
4:08 p.m.
BTW,
Are you using upper or lower image ?
Let's say bringing 900 to 400 you can use LO of 1.3 GHz or of 500 MHz right ?
With 1.3 GHz you will get images from 1.7 GHz With 500 MHz you will get images from 100 MHz (FM Radio !!!)
Cheers,
Sylvain