Unbuffered Analog Crosspoint Switches Analog Devices Unbuffered Analog Crosspoint Switches are designed for routing high-speed signals including composite and component videos. This composite video (NTSC, PAL, SECAM) and component video (YUV, RGB) used in applications such as studios, video on demand, in-flight entertainment, and video teleconferencing. The unbuffered crosspoint switches come in ADG2188, ADG2108, ADG2128, and AD75019 series.