Transimpedance Amplifier TA1070 pages

Newtons4th Ltd
office@newtons4th.com
www.newtons4th.com
Transimpedance Amplifier
TA107
Accessory for use with the
PSM1700 or PSM1735 Frequency
Response Analyzers for high
impedance measurement.
APPLICATION
The PSM range from N4L provide impedance measurement either with passive shunts or with external
accessories that offer an accurate and flexible solution to many impedance analysis applications.
Accessories include the ‘LCR Active Head’ or ‘Impedance Analysis Interface’ that give a convenient
measurement solution to general purpose LCR applications from 10uHz to 35MHz and an impedance
range of 1mOhm to 500MOhm.
Above 500MOhm, the measurement techniques utilized within the ‘LCR Active Head’ or ‘IAI’ 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.
SOLUTION
A recognized measurement technique for high impedance analysis applications is to measure the
current flowing through a component or material under test with a transimpedance amplifier. N4L
have therefore developed the TA107 for use with the PSM1700 or PSM1735, significantly increasing
the maximum impedance measurement range.
OPERATION
The TA107 uses a virtual earth connection from a sample holder as shown above (not supplied standard).
SPECIFICATION (When used with a PSM1735)
Impedance range:
Frequency range:
Input current range:
Input connector:
Dimensions:
Input power:
Using PSM generator output
1M Ohm to 100G Ohm
Using PSM + LPA400 Amplifier
10M Ohm to 1T Ohm
DC to 100kHz
Nominal Gain:
107 volts per amp
5pA to 500nA
Max output voltage: 5Vpk
BNC
Output connector:
BNC
130 x 90 x 45 mm
Weight:
400 g
9V ac adaptor supplied standard or ± 12V dc (Aux o/p on PSM1735)
Newtons4th Ltd 30 Loughborough Rd Mountsorrel
Loughborough LE12 7AT UK Tel +44 (0)116 2301066