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High Voltage Current Inverter PN054100XX
The high voltage current inverter in Source 12 converted 12VDC from RCVR power supply board to -350 for
ion chamber to generate current.
Receiver Power supply board PN 054046XX
Receiver power supply board convert 24VDC from scanner to 12 and -12 VDC
Detector Amplifier
Detector amplifier used to amplify the low current from the ion chamber to voltage level , the
detector amplifier has several gain model and jumper to be set to match the voltage output to
minimum requirement. Refer to table for the gain configuration
20 MΩ Gain
.04
.08
Figure 6 High Voltage Current Inverter board
Figure 7 RCVR Power supply board
100 MΩ Gain 500 MΩ Gain JUMPERS
.20
1.0
.40
2.0
E2+E3
E2+E5, E3+E4
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