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2. The State-of-the-Art of RF-Devices

This chapter describes the present state-of-the-art and gives several comparisons of device technologies with respect to analog high-power, high-speed analog, and high-speed digital applications. For the classification of the frequency bands, see Table 2.1.

Table 2.1: Naming convention of the frequency bands.
Name f Name f
  [GHz]   [GHz]
X 8-12 V 50-75
K 18-26.5 W 75-110
Ka 26.5-40 D 110-170
Q 33-50 G 140-220