I have picked up some of the?MA4VAT2007-1061T MACOM SOIC-8 HMIC PIN DIODE VARIABLE ATTENUATOR? .?
If you look them up, you will see that it is a nice balanced dual pin diode attenuator on a chip. I thought it might work in the IF or just about anywhere . Work in progress, but definitely a very interesting chip.?
Michael Shreeve