NJS4310D is designed for the front end of radar system. It features a small size and a light weight operable at any frequency between 3.02GHz and 3.08GHz This front end module consists of GaAs FET low noise amplifier. image rejection mixer. local VCO with buffer amplifier. FET monitoring circuit is included to monitor FET 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.
Technical Specification
NJS4310d
— ELECTRICAL — < at 25 °C > Min Typical Max Unit Operating Voltage ···················· 11.8 12.0 12.2 V Operating current ···················· Local frequency VT = 4V ··············· V- – 100 – – 3.05 T = 24V ·············· 3.17 – – Noise figure(Note3) ·················· mA GHz GHz – – 3.0 dB Conversion gain(Note3) ··············· 6.0 – – dB 1dB Gain compression point(IF Port) ·· -5 – – Monitor voltage ······················ dBm- 50 – mV RF single pulse burnout(Note1) ······· RF repetitive Pulse burnout(Note2) ··· – – 600 – – 400 Note1, f=3.05GHz Pd10nsec NOte2, f=3.05GHZ Pd=1µs Duty=0.001 Note3, Temperature Range Ta=-30deg. – +90deg.
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