MITEQ announced a new addition to its family of high-performance waveguide low-noise amplifiers (LNAs). Model AMFW-7S-12001500-95 is a high dynamic range, weatherproof Ku-band waveguide front end operating from 12 to 15 GHz.
This unit includes a pressure-sealed WR75 waveguide input and SMA(F) connector output, and is lightweight with a small profile and footprint. The aluminium alloy housing is sealed against the most severe environmental conditions.
The device includes reverse voltage, over-current and over-temperature protection in addition to full internal regulation. It has a typical noise temperature of 95 K, with a maximum of 110 K (1,25 dB), and it is capable of a minimum 10 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. The LNA’s output IP3 is 20 dBm minimum, while input VSWR is a maximum of 2:1 and output port VSWR is a maximum of 2:1. Small-signal gain is 55 dB typical and flatness is 3,0 dB peak-to-peak with a maximum gain ripple of 0,4 dB/40 MHz within the whole band.
Gain variation with temperature is less than 0,08 dB/°C and 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 150 mA from a single +12 V to 24 V supply, with other voltage ranges and alarm options also available. Operating temperature range is -40°C to +60°C.
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