KEYCOM provides solutions in the 300 GHz to 1 μHz frequency range (SHF/EHF/MW/UHF/VHF/ULF).
We undertake designing, manufacturing and measuring. Please feel free to contact us.

Cryogenic Low Noise Amplifier

Model No. upj05002020825-08

KEYCOM’s cryogenic low noise amplifiers are designed and manufactured to perform at their peak levels at extreme low temperatures (following data is measured at 74K(-199°C)).
They are used for such applications as the head amplifiers of passive radars as well as versatile cryogenic experiments and researches.

Parts No. and specifications (Please consult with your KEYCOM representative for detailed specifications)

Wideband type

Parts No. Range of frequency Small signal gain ( dB ) P1 Output electric power ( dBm )    NF ( dB )
KA-K1M1GCLN-M-01 1.0MHz - 1.0 GHz    20 min.     3 min.    1.0max
KA-K1M2GCLN-M-01 1.0MHz - 2.0 GHz    20 min.     3 min.    1.0max
KA-010020CLN-M 1.0GHz - 2.0 GHz    20 min.     3 min.    1.0max
KA-010070CLN-M 1.0GHz - 7.0 GHz    20 min.     3 min.    1.0max

Narrowband type

Parts No. KA-019020CLN-M KA-026027CLN-M KA-039041CLN-M KA-144146CLN-M KA-019020CLN-M
Characteristic impedance
( Standard )
[Ω]    50    50    50    50    50
Use frequency [GHz] 1.95±0.05 2.60±0.05 4.0±0.1 14.5±0.1 1.95±0.05
Gain ( Standard ) [dB]    20    18    18    15    21
Pin ( max ) [dBm]    -15    -15    -15    -15     0
P1dBcom. [dBm]     3     3     3     3    12
NF ( max ) [dB]    0.3    0.3    0.3    0.5    0.3
Connector    SMA(f),(f)  SMA(f),(f)  SMA(f),(f)  SMA(f),(f)  SMA(f),(f)
Size
( without connector part )
[mm] 60(L)×22(W)×14(H) 60(L)×22(W)×14(H) 60(L)×22(W)×14(H) 60(L)×22(W)×14(H) 60(L)×22(W)×14(H)
Power supply   3V 50mA max. 3V 50mA max. 3V 50mA max. 3V 50mA max. 5V 70mA max.
Note)
·Please specify when you require male connectors.
·Please consult your KEYCOM representative for customization.