Fig. 1. Schematic diagram and photograph of MCP detector based WSA

Fig. 2. Schematic diagram of charge sensitive preamplifier

Fig. 3. Schematic diagram of differential circuit, pole zero cancellation and pulse shaper

Fig. 4. Model of charge readout noise

Fig. 5. Time response characteristics of CSA

Fig. 6. Wave of pulse shaper at the output

Fig. 7. Noise of CSA at the output

Fig. 8. Noise of CSA with the detector

Fig. 9. Tested images of detection system resolution

Fig. 10. Spatial resolution at different shaping time