This unit is multi-system analog TV modulator which can output analog TV standard signal of each country in the world with all channel. This unit equips generation part of various kinds of video signal, teletext signal and sound multiplex signal, so that test for analog TV of each country standard in the world is possible by only this unit. For video output, output terminals of analog RGB signal output (Mini D-sub 15pins) and of digital video signal output (DVI-I) are equipped, so that this unit is most suitable for receivers, such as TV and etc. which equip these input terminals. Also, this unit is configured with video modulation part having VSB characteristics, so that this unit can be used for test of adjacent channel interference between analog TV signal and digital TV signal.