This article introduces a 1.25 Gbit/s limiting amplifier manufactured by 0.35 μm BiCMOS process

which has single power supply of 3.3 V

circuit gain of up to 70 dB and power dissipation of 20 mW.Within the input dynamic range of 27 dB

it can maintain a constant output swing of 800 mV.The total area of the chip is 1.30 mm×0.75 mm.