The SG390 Series Vector Signal Generators provides best affordability and high performance. With DC to 2.025GHz, 4.050GHz and 6.075GHz carrier frequencies which supports both vector and analog modulation. Its instruments use an RF synthesis technique that gives low noise outputs that measures 116 dBc/Hz at 1GHz and excellent frequency resolution.sg390系列的矢信号发生器提供了最佳的力和性。着直流2.025ghz 4.050ghz 6.075ghz波率并支持向和模拟制。仪器使用射合成技术给出了低噪声出措施116 dBc / Hz的率在1GHz和好的率分率。