sr555The SR555 is a low-noise, hh-bandwidth, fixed-gain current (trans-impedance) amplifier desned to work with SRS lock-in amplifiers. Current amplifiers provide gain closeSR555 Jangan lewatkan kesempatan emas setiap hari! Raih peluang dan nikmati hadiah luar biasa dan ajak temanmu untuk bergabung SR 555!