If you want to remove noise and improve a signal filter"s quality and performance, Linear Technology has the solution with their low pass filter LTC1064-3CN#PBF active filter. Its typical dual supply voltage is ±3|±5 V, with a minimum of ±2.37 V and maximum of ±8 V. This active filter has a minimum operating temperature of -40 °C and a maximum of 85 °C. This device uses one or two power supplies.