EG & G 128A
UŻYWANE

Lock-In Amplifier
0,5 Hz - 100 kHz

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The simplicity of the 128A Lock-In Amplifier's operation makes it ideal for undergraduate
laboratories in universities and its high level of repeatability ensures wide application in
scientific and engineering measurements.

Features
High common mode rejection ratio
Excellent phase stability and true differential input circuitry
Use to advantage for capacitance / conductance measurements and other applications where
the detection of inphase as well as quadrature components of a signal are important
Frequency range of 0.5 Hz to 100 kHz
Common mode rejection of 100 dB
Sensitivity of 1 ?V to 250 mV
Input Z of 100 Mohms
Automatic reference tracking
Internal noise <10 nV/Hz 1/2