Both the XG1 and XG2 put out about -110 dBm in their 1 uV positions.
That plus -41 dB from the AT1 should be well below all HF rig noise
floors. :-)
73, Eric WA6HHQ
kbgluxford wrote:
Wayne and list members,
The AT1 step attenuator looks very interesting. However, would we not
need an attenuator capable of 140 db or so for receiver testing? Yes
we could cascade four of them, but this would scarcely be very cost
effective. How about supplying the same circuit board and parts but
with a different set of resistors to enable increases in attenuation
in say, steps of 40 db, which would mean that we would only have to
buy two kits.
Best regards from Downunder
Kevin
VK3DAP / ZL2DAP
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