log amplifier module
Budget: $30 – $250 USD
We in our lab use Scanning Tunneling Microscope (SPM 5500 Keysight Technologies) for measuring conductance of the organic molecule. For that we use log module amplifier which is shown in the attached file. However the module is not working anymore and we cannot order another piece because it is a discontinued product now. We do have a schematic of the circuit and want to get it design and made it in PCB.