Would have been useful to actually attach the attachment... Sorry.
John ---- John Ackermann N8UR said the following on 08/26/2006 07:35 AM: > [EMAIL PROTECTED] said the following on 08/25/2006 10:23 PM: > >>Hi Didier, >> >>I tried this with a Maxim video amp, and my 10MHz noise floor went from >>-155dBc/Hz on the input to about 80-90dBc/Hz on the output of the amp. >> >>80dBc is great for Video (generally arund 50dB SNR), but for timing it's a >>catastrophe... > > > That's interesting. The MAX477 video amp that is used in the TADD-1 > (http://www.tapr.org/kits_tadd-1.html) does a lot better than that. > Here is a phase noise plot of the TADD-1 at 10MHz; it is better than > -105dBc at 1Hz and reaches a noise floor of -142dBc at less than 100Hz. > > John >
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