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This study explores the pulse formation process in nuclear spectroscopy amplifier systems, with a focus on amplifier linearity analysis and bandwidth measurement. Nuclear spectroscopy is a crucial technique in nuclear physics studies, and the nuclear radiation detectors used must meet specific requirements, including the ability to differentiate the detected radiation energy levels. Pulse formation is a critical stage in this system, as these pulses carry important information about the interaction between radiation and its environment. Linearity testing of the amplifier and bandwidth measurement were conducted experimentally by adjusting input amplitude and frequency settings, as well as observing the amplifier's response to input signal variations. Measurement results indicate that adjustable pulse height and the amplifier system can produce Gaussian-shaped output pulses with appropriate rise times. However, potential issues arise due to limited pulse width and height, which can cause distortion and overload, thus disrupting the analysis of the generated pulses. [ABSTRACT FROM AUTHOR]