Cryogenic Amplifiers


This model APTC4-01001800-1905-D4 is an optimized broadband LNA which is designed for cryogenic applications down to 77K with an industry low Noise Figure of 1.3dB at+23°C case temperature across the band.

Product Specifications

General Parameters:
Frequency Min (GHz): 1 GHz
Frequency Max (GHz): 18 GHz
Gain (dB): 30 dB min, 32 dB Typ
Flatness (dB): ±2.0 dB Typ, ±2.5 dB Max
Noise Figure (dB): 0.7 dB Typ @ 77K, 1.3 dB Typ @ 296K
Input VSWR: 2.0:1 Typ, 2.5:1 Max
Output VSWR: 2.0:1 Typ, 2.5:1 Max
P1dB: +5 dBm Min
Current: +9VDC @ 60 mA Typ
Noise Temp (K): 51K @ 77K Typ
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