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Jump to --> Cryogenic LNAs Summary Table | Ambient LNAs Summary Table

Ultra Cryogenic Low-Noise Amplifier Systems

For large Space Communications, Radio-Astronomy and VLBI Antenna typically 10m+ in diameter. Single, dual, or tri-band channel versions, or Wideband QRFH feed option.

> Cryogenic LNA Frequency and NT Performance Summary Table

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Compact Cryogenic Low-Noise Amplifier Systems

For mid-size Space Communications, Radio-Astronomy and VLBI antenna typically between 20 and 5m+ in diameter. Single or dual-band channel versions, or Wideband QRFH feed option.

> Cryogenic LNA Frequency and NT Performance Summary Table

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Ambient Low-Noise Amplifiers and Redundancy Systems

Optimized for Next-Generation Satcoms and Earth Observation satellite communication links. State-of-the-art RF low noise and stability performance, with waveguide or coax inputs.
- Available with redundancy system with local or remote (TCP/IP) controller

> Ambient LNA Frequency and NT Performance Summary Table

Low-Noise Amplifier MMICs

Based on leading foundry processes for InP HEMT technology, to deliver optimised Noise, Gain and Input/Output Return Loss performance.
Applications: Telecommunications (Satcom reception systems, phased array antenna); Radar; Instrumentation

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Cryogenic Test Systems

Automated, Fast & Safe Cryogenic Cycling, for RF, electronic, optical or mechanical components development and reliability test & validation.

Noise Measurement Equipment

Radiometer system for satellite ground systems noise measurement. Precise noise measurement in RF circuits, with typical applications in monitoring reception system noise temperature, antenna G/T measurement and antenna calibration..

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Cryogenic LNA Frequency and NT Performance Summary Table

	Frequency Bands*	Noise Temperatures	Gain	Input Configurations	Cooling System
Ultra	S-Band [2.2 - 2.3] GHz X-Band [8.4 - 8.5] GHz Ka-Band [25.5 - 27.0] GHz Ka-Band [31.8 - 32.3] GHz	10K 11K 28K 30K	> 55dB	Waveguide Input: Single, Dual or Tri-Band	GM 15K	Request for quotation
Ultra-Wideband	[2.3 - 14]* GHz S, C, X and Ku Bands * The frequency band can be adapted to customer’s needs	< 20K	> 55dB	Integrated Feed: QRFH (VLBI - Radio Astronomy)	GM 15K	Request for quotation
Compact	X-Band [7.25 - 8.50] GHz K-Band [18.2 - 21.2] GHz Ka-Band [25.5 - 27] GHz	< 20K 35K 35K	> 50dB	Waveguide Input: Single or Dual Channel	Stirling 80K	Request for quotation
Compact-Wideband	[2.3 - 14]* GHz S, C, X and Ku Bands * The frequency band can be adapted to customer’s needs	< 40K	> 55dB	Integrated Feed: QRFH (VLBI - Radio Astronomy)	Stirling 80K	Request for quotation

*Extended frequency ranges are available - contact us for the corresponding NT performance details

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Ambient LNA Frequency and NT Performance Summary Table (And Redundancy Option)

Product Category	Frequency Bands*	Noise Performance	Gain
K-Band 20GHz Waveguide LNA	K-Band [18.2 - 21.2] GHz	1.65dB NF max (1.5dB mean) 3.0dB NF max 135K NT max (120K mean)	48dB min	Request for quotation
Ka-Band 26GHz Waveguide LNA	Ka-Band [25.5 - 27.0] GHz	1.55dB NF max (1.5dB Typical) 125K NT max (120K Typical)	44dB min	Request for quotation
Wideband Coaxial LNA	Wideband [12 - 32] GHz	2.2dB NF max [19 - 28] GHz 3.0dB NF max [12 - 32] GHz	25dB min	Request for quotation
MMIC Circuit	K-Band [18.2 - 21.2] GHz	1.3dB NF max	29dB min	Request for quotation

*Extended frequency ranges are available - contact us for the corresponding NT performance details.

Download our Brochure (Products Overview)

Product Category	Frequency Bands	Notes
LNA Redundancy Controller System	All LNA band (S, X, K, Ka)	Callisto is able to offer a solution for controlling RF switching of LNAs for redundancy. The basic controller unit is a 19” rack mountable unit which contains power suppliesand control circuits for 2 or 3 LNAs together with the RF switches. The design is modular and can be configured for the customer’s requirements	Request for quotation