Designed as stand-alone mixer for use in RF and microwave communications products or test setups, software-programmable Windfreak MixNV also includes ability to self-bias mixer for use as signal generator. It can also perform 2-level FSK modulation with adjustable frequency deviation via software or off-board external 3.3 V CMOS drive. While RF I/O ports accommodate 30 MHz to 5 GHz signals, built-in Local Oscillator (LO) can be adjusted from 85 MHz to 5 GHz in 1 Hz steps.