standford researchSR556 SR555 SR554-

sr555The SR555 is a low-noise, hh-bandwidth, fixed-gain current (trans-impedance) amplifier desned to work with SRS lockin amplifiers. Current amplifiers provide gain close to the experimental detector, allowing the user to minimize inputModel SR555 Stand-On Scale Operating and Service Manual - SN 1800+ Part No. MAN555_060829 Page 13 of 18 CALIBRATION IMPORTANT CALIBRATION CHECK