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FEMTO DHPCA-100 preamp kit/cable kit

The Femto DHPCA-100 Preamp kit combines the variable gain high speed current amplifier Femto® DHPCA-100 with the adapter cable and software module to operate it directly from a Nanonis Mimea SPM Control System or a Nanonis Tramea quantum transport measurement system.

The amplifier gain is switchable between 102 and 108 on the fly from the software which also takes care of the appropriate calibration of the input signal. The amplifier is powered directly from the stabilized ±15 Vdc in the Nanonis SC5/TSC or SO5/TSO.

The preamplifier is ideally suited for DC and AC measurements up to 200 MHz, time resolved measurements down to the ns-region and as a preamplifier for fast photodetector signals.

The package includes: Femto DHPCA-100 variable gain preamplifier, adapter cable to power and control the preamplifier (includes a signal cable) as well as the necessary software module. For Nanonis Mimea, software control is integrated in the current module, which sets the amplification and the correct current calibration. For Nanonis Tramea, software control is integrated in the user inputs module, where gain, calibration and offsets can be configured. 

If a Femto DHPCA-100 preamplfier is already available, it is possible to order the cable kit and software module only, without the preamplifier.

Full specifications of the Femto DHPCA-100 are available on the Femto® website


  • High-speed variable gain preamplifier
  • Bandwidth up to 200 MHz
  • Rise time down to 1.8 ns
  • Internal signal filters
  • Adjustable bias voltage
  • Manual and remote control
  • Connector kit to the Nanonis SPM Control System


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