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In this paper the expressions for transistor power gain and stability are derived. The power gain of the staggered tuned triple is determined to show the advantage of synchronous tune amplifiers over staggered tune amplifiers where transistors are the active element. One stage of an I.F. amplifier is designed to show the application of the theory to color T.V. I.F. Amplifiers. The Linear integrated amplifier is analyzed from the black box viewpoint and an example of I.F. design with commercially available integrated circuits is given. Appendix 1 give the derivation of power gain equations for a single tuned and double tuned output circuit.