The MG3632A Synthesized Signal Generators is provided with amplitude and frequency modulation in the frequency range of 0.1 to 2080 MHz. Since the MG3632A also has excellent basic performance in regards to frequency stability, output level accuracy, and signal purity, it can be used in a wide range of applications and are suitable for performance evaluation of various receivers (mobile radio, paper, AM/FM radio, etc.), or as the general-purpose signal sources. Furthermore, memory functions and a GB-lB interface are provided as a standard. Therefore, it is useful for elemination or reduction of labor and automation for measurement.