User`s guide

Agilent 5500 SPM Components 2
Agilent 5500 SPM User’s Guide 44
Head Electronics Box (HEB)
The Head Electronics Box (HEB) (Figure 20) reads the signals from the
detector and can display the Sum signal (sum of all four quadrants) and
the Deflection or Friction signals. The HEB also provides an oscillating
voltage for AC Mode imaging.
Figure 20 Head Electronics Box
The HEB rear connections are shown in Figure 21:
Figure 21 HEB back panel connectors and controls