New Heterodyne Receiver Head

Low noise GaAs FET amplifiers are widely employed for heterodyne receiver heads in order to improve their noise figure. In the new heterodyne receiver head discussed here, the low noise GaAs FET amplifier used to improve the noise figure is also used for oscillation of the local signal without any degradation of the transmission characteristics, so that the local oscillator, used in a conventional heterodyne receiver head can be dispensed with. The configuration of the new heterodyne receiver head is a very effective low cost, low power consumption design for a MIC receiver head.