Above 500MOhm, the measurement techniques utilized within the ‘LCR Active Head’ or ‘IAI/IAI2’ are not ideal, due partly to the exceptionally low current associated with high impedance analysis and also the parasitic capacitance of the connection leads to a sample under test.
The TA107 Transimpedance Amplifier provides a solution for high impedance analysis applications by measuring the current flowing through a component or material under test with an innovative earth referenced transimpedance amplifier technique. The TA107 Transimpedance Amplifier supplements our existing impedance analyser range to provide a solution for a wide range of measurement applications.
Example test setup configurations would be as follows;
PSM1700/1735/3750 + TA107 – Impedance range of 1MΩ to 100GΩ
PSM1700/1735/3750 + TA107 + LPA400 – Impedance range of 10MΩ to 1TΩ
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