In this paper, the prototyping of an Mixed-mode architecture to reduce the noise effect in the front-end of the ALICE/ACORDE digital instruments is reported. It summarily portrays the design method implemented for configuration and reconfiguration of the proposed circuits by using Field Programmable Analog Array (FPAA) as the analogue channel and the FPGA as the adaptive digital subsystem. Their function was determined in the time domain using the original signal measured from the Front-end system. The data for the design were obtained from previous experiment developed at CERN Practical experimentation and the circuits was carried out using the AN221E04 FPAA device using Anadigm and Xilinx ISE interfaces. Circuit realization of improvement filter using hybrid architecture are shown in figures. Also, original input and result output waveform of implemented architectures are shown. A comparison of the proposed designed circuits with previous results published is also presented. The proposed scheme can be applied in the research and practical study of designing programmable analog devices and systems based on FPAA but the adaptive structure using FPGA.