GHz) and/or millimeter wave (26.5-55 GHz) Traveling Wave Tube TWT products and technologies and cascaded RF chain design including Gain, Amplitude and phase flatness, Noise power, Intermodulation, spectral re-growth and noise power distortion, Phase noise, Spurious, Temperature and vibration induced issues. Power Amplifiers (>25 watts), Frequency converters (up and down), Low noise and medium power solid state amplifiers, PIN diode attenuators, Pre-distortion, Filters, Mixers, Coupler, Power combiners, Power dividers, Waveguide components and transitions.