威步科技供應ZL2244視頻處理，兼容NJM2244 深圳市威步科技有限公司（WWW.ZLMICRO.COM)自主研發的視頻處理產品(ZL2244)，其功能是：3輸入視頻開關具備75Ω驅動器； 產品性能有保證，并可兼容NJM2244，價格有絕對的優勢，我司已研發出多年的物料，許多大中型客戶均有使用，庫存量足，無缺貨現象； The ZL2244 is a three input integrated video switch witch selects one video or audio signal from three input signals. It contains driver circuit for 75Ω load and is able to connect to TV monitor. Its operating supply voltage range is 5 to 12V and bandwidth is 10MHz，Crosstalk is 70dB(at 4.43MHz). ZL2244 contains clamp function and it can be operated while setting DC level fixed in position of the video signal.