Chengdu InSiGa Semiconductor Technologies (成都英思嘉半导体技术有限公司) is a provider of solutions for the optical communication market. It offers adaptive equalization enabled 25Gb/s to 800Gb/s non-return-to-zero (NRZ) modulation and 4-level pulse amplitude modulation (PAM4) for application in data centers, wireless, data centers interconnect (DCI), metro, and long-haul networks.