Broadband amplifiers are significant components which are utilized in electronic warfare, high-speed communication, and wideband Instrumentation systems[1]. William S. Percival is presented one of the first examples of distributed circuit design in 1936. In that time Percival present a design with the transconductanceof single vacuum tubes. Therefore approach at a circuit that attained a gain-bandwidth product greater than that of a single tube. Distributed circuits are very common in the microwave. Besides, these circuits have another applications like distributed oscillators [2], distributedmixers [3] and power splitter and combiner [4] on compound semiconductor technology such as GaAs or InP. CMOS implementation of distributed circuits hasnewly gained more interest because it's lower cost and good performance [5] and higher level integration. Deepsubmicron CMOS technology prepares the high-speed active devices together with on-chip passive elements needed for implementation of the wideband amplifiers[6]. CMOS distributed amplifiers (DA) with highly large bandwidths about several tens of gigahertz in [7], [8], [9],[10] have been reported. Nevertheless, the DAs that mentioned above present comparatively not high gains. A four-stage DA using waveguide design was informed in[7] has a bandwidth about 27 GHz and a gain nearby 6 dB. A capacitive division technique was employed in [8] to obtain a bandwidth as important as 80 GHz, besides a7.4 dB gain was attained that is not high because of low voltage in the input of amplifier stages. Two four-stageDAs with either body-contacted (BC) or floating-body (FB) MOSFETs were reported in [9], they presented 7.1 dB and 5.4 dB gains, respectively, and unity-gain bandwidth (UGB) of 27 and 23 GHz, respectively. Negative resistor techniques were used in an eight-stage DA to obtain a 44 GHz high bandwidth and a gain as lowas 10 dB was reported in [10], because the extra capacitors created restricts the size of transistors more. Inthis paper, we use operative techniques to achieve high gain and extension bandwidth.