CFP Charge sensitive preamplifiers (CSPs) can be used to read out pulse signals from radiation detectors as diverse as semiconductor radiation detectors (e.g. CdTe, CZT), scintillator-photodiode detectors, gas-based detectors such as ionization chambers and proportional counters, and photomultiplier tubes (PMTs).CFP offers three different charge sensitive preamplifier modules: High, middle and low gain preamplifier. These preamplifiers are all modules of the same size. They differ from each other primarily by their gain, with the high gain version having the highest gain 1.45 Volts/pC, The middle gain version is approximately a factor of 10 reduced (0.14 Volts/pC ).and the low gain version have two level of 14 mVolts/pC and 1.4 mVolts/pC.Selecting a suitable preamplifier is depending on your application and needed gain. High gain preamplifier is suitable to be used with various types of radiation detectors including semiconductor detectors (e.g. CdTe and CZT), p-i-n photodiodes, avalanche photodiodes (APDs), and various gas-based detectors (proportional detector, wire drift chambers, Bf3, He3).Midum gain amplifiers could be used with surface barrier or PIPS detectors and low gain amplifiers could be used with silicon photomultiplier (SiPM or MPPC) detectors and PMTs.