The clip point on my Flex 6500 is S9+80 DB. That's +7 dbm. If it were
to happen that I had signal overload, I would put the 20 db attenuator on.
Carl Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549
www.n4py.com
On 9/10/2016 2:28 PM, Gary J FollettDukes HiFi wrote:
What happens if a signal that is 140 dB above the noise floor comes along, a
condition quite common in Europe?
Have you tested for this condition?
Regards and 73,
Gary
W0DVN
PS: I think that the rather nice Flex 6500 does have pretty good bandpass
filtering before the A to D to help its performance in regards to strong
out-of-band signals. I think that is where the 7300 comes up short and is why
Icom recommends a preselector.
On Sep 10, 2016, at 1:17 PM, Barry N1EU<barry.n1eu@gmail.com> wrote:
On Sat, Sep 10, 2016 at 4:20 PM, Gary J FollettDukes HiFi<
dukeshifi@comcast.net> wrote:
I stand by my previous statement that you COULD produce an exceptional DSP
receiver, one that would blow the socks off any heterodyne receiver, if you
used 24 bit data and a tracking preselector to limit the impact of strong
out-of-band signals.
The 16-bit ADC front ends of both my ANAN-100D and Flex 6500 were the equal
of any heterodyne receiver, or at least my Orion II and K3s. 16 bits are
enough. And I'm talking tough contest conditions on bands filled with huge
signals.
73, Barry N1EU
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