The Ultracomb-8G from Ultraview is a Variable-Fence Microwave Comb Generator for Electronic Warfare and Antenna Testing. A comb generator is a device that produces a set of very fast pulses repeatedly. This generator is based on a custom ultra-high-repetition-rate GaN differential pulser IC. It can create strings of pulses with widths varying from 100ps to 800ps, enabling it to generate relatively flat combs with usable energy to 10GHz or, alternatively, combs with much higher power, but with most of the energy concentrated below 2 GHz.
Comb picket spacing can be software-programmed to any frequency from 10 MHz to 2 GHz in single-ended-output mode (10-50 MHz in differential output mode) in 0.01 Hz steps, generated by an on-board LMX2594 synthesizer driven from an internal 150 fs-jitter reference clock or external 10-500 MHz reference. The unit can also be programmed in 1:1 clock mode, enabling the pulse repetition rate of the comb generator (and the comb tooth spacing) to be the same as the external reference/clock input. Its differential outputs enable direct antenna connections without the use of a BALUN, and 3dB higher total output level.
The Ultracomb-8G is powered from any USB3.0/3.1 port through which the user can program comb amplitude, comb picket spacing, and low/high-frequency spectral weighting. It is available in a module that measures 5.5 x 2.0 x 0.6 inches.
