A 0.15- 12-GHz Matched Feedback Amplifier Using Commercially Available FET's

Using a graphical approach followed by a simple computer optimization, an ultra-broad-band feedback amplifier covering the frequency range from 150 MHz to 12 GHz has been designed. Experimental results show that using commercially available FET's and parallel configuration, 5-dB flat gain and small VSWR'S can be obtained.