Charge Sensitive Amplifier with Fast Compactor offers low charge sensitivity, charge linearity. The Charge Sensitive Amplifier provides analogue output in a range of 0 to 4V inverted positive polarity. The Charge Sensitive Amplifier produces low amount of noise during operation and comes with fast comparator for MCP and pulse counting facility. Charge Sensitive Amplifier with Fast Compactor features larger pulse shape for pulse height discrimination and medium speed pulse counting.