[time-nuts] Modern signal generators

[jimlux]

On 12/11/18 3:26 PM, Bob kb8tq wrote:
> Hi
> 
> As I said, just how rational using these parts in a radio …. not at all clear to me.
> Back when I went to school, stuff that was this noisy was not in the “greatest” category.
> That was a *very* long time ago.
> 
> Oddly enough best performance synthesizers have gotten better. (as the posted
> presentations very clearly show). Just why a “high end” radio uses a less than
> ideal synthesizer likely relates more to cost (even at a price of thousands of dollars)
> than to anything else.

Or "good enough" performance - driving to a 3 dB NF for a HF receiver 
while maintaining good strong signal performance is probably not worth it


> 
> Indeed cost also drives things like GPSDO’s and GPS modules. We often are not
> very eager to acknowledge that fact.
> 
> Bob
>