HMC689LP4E by Analog Devices Inc.(ADI) Design and production,in Shenzhen PlusLink Electronics Co., Ltd. Spot sales,And can pass Shenzhen PlusLink Electronics Co., Ltd. Purchasing。HMC689LP4E Price reference $ 20.980000。HMC689LP4E - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information HMC689LP4E Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial