Hi Geoff
What do you mean by "complete dynamic range tests" ?
Could give us a brief description of what these "analog splatter removal
techniques " are and how they are used?
73
Craig
VK3HE.
Without doubt there are many SSB transmitters heard on the ham bands which
do generate splatter, but the operator of a "clean" and properly driven SSB
transmitter risks being accused of generating splatter by somebody whose
receiver is generating the splatter. You have mentioned poor front ends, to
which I would add poor filters (in terms of Group Delay Variations out to
the stopband regions), and small dynamic range IF systems as found in many
if not most commercial amateur receivers.
If the ARRL would run complete dynamic range tests, then 'weak' IF systems
would be exposed in the reviews.
Transmitter generated splatter can be dealt with by a receiver, but the
receiver's IF system MUST have a large in-passband 3rd order dynamic range
if analog splatter removal techniques are used.
73,
Geoff
GM4ESD
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