The Traveling-Wave Tube (TWT) is a high-gain, low-noise, wide-bandwidth microwave amplifier. It is capable of gains greater than 40 dB with bandwidths exceeding an octave. (A bandwidth of 1 octave is ...
Principles of microwave circuits, ed. by C.G. Montgomery, R.H. Dicke [and] E.M. Purcell. [Prepared under the supervision of the] Office of Scientific Research and Development, National Defense ...