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AUX Modulator

Add an AC modulation to the AUX high voltage signal

The AUX-modulator is specifically designed for adding a low-voltage AC signal to the AUX high-voltage output, when the required bandiwdth exceeds that of the HVA4. The signal is then usually sent to a tube scanner. The AC input connector is a simple BNC and the output is pin-compatible with the SOURIAU connector of the Nanonis HVA4 (High Voltage Amplifier). A BNC output provides an additional connection option for the summed DC+AC signal.

  • Add ac modulation to AUX high voltage signal
  • No deterioration of HVA4 noise performance
  • Bandwidth up to 100kHz
  • Pin compatible with HVA4 output

Typical applications:

  • KPFM
  • PFM
  • Any application requiring large DC voltages with small AC modulations
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