Found 4 alternatives for CMX993Q3 by CML Microcircuits. Rf Modulators — 48-VFQFN Exposed Pad.
RF MODULATOR 400MHZ-4.2GHZ 48QFN
WIDEBAND RF (I/Q) MODULATOR
RF MODULATOR 300MHZ-4.8GHZ 48QFN
RF MODULATOR 100MHZ-4GHZ 48VFQFN