Description
NJT1946A is designed for the front end of marine radar system.
Features
- a small size and a light weight operable at any frequency between 9.345GHz and 9.475GHz. This front end module consists of HEMT low noise amplifier, Image rejection mixer, Local VCO with buffer amplifier. A HEMT monitoring circuit is included in the design to monitor HEMT drain current. The stability of the local VCO frequency by the input RF power is increased effectively by the buffer amplifier which is located between image rejection mixer and local VCO.