MITEQ announced a new addition to its family of high-performance waveguide LNAs. The AMFW-4F-12401800-25-18P-WR62F is a very low-noise, high dynamic range weatherproof Ku-band waveguide front end, operating form 12,4 GHz to 18 GHz.
The device’s aluminium alloy housing is sealed against severe environmental conditions and it includes a pressure-sealed WR62 waveguide input and SMA (F) connector output. It includes reverse voltage, over-current and over-temperature protection in addition to full internal regulation.
The amplifier has a typical noise temperature of 215 K, with a maximum of 225 K (2,5 dB), and it is capable of a minimum 18 dBm of P1dB across the full band, with an available option of 20 dBm. Noise temperature will typically change with base temperature of the LNA at a rate of 0,28 K/°C.
Output IP3 is 28 dBm minimum, input VSWR is a maximum of 1,5:1 and output port VSWR is a maximum of 2:1. Small-signal gain is 50 dB typical and flatness is 2,0 dB peak-to-peak with a maximum gain ripple of 0,4 dB/40 MHz within the whole band.
The device’s gain variation with temperature is less than 0,08 dB/°C. Gain is stable to less than 0,4 dB/month. Total group delay is constant to less than 1 ns over the full band. Current draw is nominally 400 mA from a single +12 V to 24 V supply, with other voltage ranges and alarm options also available. Operating temperature is -40°C to +60°C.
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