The Icom 746pro and 756proII both use DSP in the IF stage. I use the
756pro and it's a wonderful rig.
73 Ron KN0R

wrote in :

There's a number of commercial amateur transceivers that have
DSP in the audio stages but do any have DSP in the IF before the
detector/AGC?

73 Don K6LTS
address in QRZ database