[Premium-Rx] The new R&S EM510 Direct-Sampling HF Receiver

[John Miles]

> I wonder why nobody seems to have made notice about the close in
> phase noise of 140dBc/Hz
> at 1kHz.
> That means a reciprocal mixing noise of 113dB down in a 500Hz BW at 1kHz.

That's one of the really nice things about any direct-sampling receiver.  No
need for a synthesized LO at all... the phase noise is that of a single
crystal oscillator at circa 100 MHz.  (Or the ADC's inherent process noise,
which I imagine is a bit worse.)

-- john, KE5FX