Narda-MITEQ CLNA-40-0400-0800-5P-ND-DB 4–8GHz 40dB LNA | Price & RFQ
The Narda-MITEQ CLNA-40-0400-0800-5P-ND-DB is a high-performance cryogenic low noise amplifier designed for RF and microwave signal amplification at temperatures down to 4 K. Covering the 4.0 to 8.0 GHz frequency range, the amplifier provides approximately 40 dB typical gain and a 4 K typical noise temperature under 4 K operating conditions.
Its combination of ultra-low noise, high gain and low DC power consumption makes it suitable for quantum computing, radio astronomy, deep-space communication, satellite communication, SIGINT and low-temperature physics systems.
CLNA-40-0400-0800-5P-ND-DB Key Specifications
| Parameter | Specification |
| Manufacturer | Narda-MITEQ |
| Model | CLNA-40-0400-0800-5P-ND-DB |
| Product type | Cryogenic low noise amplifier |
| Frequency range | 4.0–8.0 GHz |
| Typical noise temperature | 4.0 K at 4 K |
| Typical gain | 40 dB |
| Gain flatness | ±1.5 dB typical, ±2.0 dB maximum |
| Output P1dB | −5 dBm minimum, 0 dBm typical |
| Input VSWR | 1.6:1 typical, 2.0:1 maximum |
| Output VSWR | 1.6:1 typical, 2.0:1 maximum |
| Typical supply voltage | +0.20 VDC |
| Typical supply current | 15 mA |
| Typical DC power consumption | 3 mW |
| Operating temperature | 4 K to +75°C |
| RF impedance | 50 ohms |
| RF connectors | SMA female input and output |
| Approximate weight | 9.6 g |
The amplifier measures approximately 15.7 × 17.0 × 7.6 mm, allowing it to be integrated into space-constrained cryogenic RF assemblies. Its RF input and output ports are DC coupled and matched to 50 ohms.
Other Narda-MITEQ CLNA Series Models
Narda-MITEQ offers several CLNA configurations covering frequencies from 4 GHz to 12 GHz. Models can be selected according to frequency range, gain, noise temperature and bias-interface requirements.
| Model | Frequency | Minimum Gain | Minimum P1dB | Typical Noise Temperature |
| CLNA-40-0400-0800-5P-ND-DB | 4–8 GHz | 40 dB | −5 dBm | 4 K |
| CLNA-30-0400-0800-5P-ND | 4–8 GHz | 30 dB | −5 dBm | 8 K |
| CLNA-30-0400-1200-5P-ND | 4–12 GHz | 30 dB | −5 dBm | 6 K |
| CLNA-25-0500-1000-5P | 5–10 GHz | 25 dB | −5 dBm | 6 K |
| CLNA-25-0500-1000-5P-ND | 5–10 GHz | 25 dB | −5 dBm | 6 K |
| CLNA-30-0500-1000-5P | 5–10 GHz | 30 dB | −5 dBm | 6 K |
| CLNA-30-0500-1000-5P-ND | 5–10 GHz | 30 dB | −5 dBm | 6 K |
| CLNA-40-0500-1000-5P | 5–10 GHz | 40 dB | −5 dBm | 6 K |
| CLNA-40-0500-1000-5P-ND | 5–10 GHz | 40 dB | −5 dBm | 6 K |
| CLNA-30-0600-0900-5P-ND-DB | 6–9 GHz | 30 dB | −5 dBm | 4 K |
| CLNA-40-0600-0900-5P-ND-DB | 6–9 GHz | 40 dB | −5 dBm | 4 K |
| CLNA-30-0800-1200-5P-ND | 8–12 GHz | 30 dB | −5 dBm | 8 K |
Typical Applications
Quantum Computing
Cryogenic LNAs are used in quantum computing readout chains to amplify weak microwave signals while minimizing added noise and heat dissipation.
Radio Astronomy
Radio telescopes and radiometers require very low receiver noise to detect faint signals from astronomical sources. The 4 K noise temperature and 4–8 GHz frequency coverage make this model suitable for sensitive cryogenic receiver front ends.
Deep-Space and Satellite Communications
The amplifier can support ground-station and research receiver systems in which weak microwave signals must be amplified before further filtering, conversion or signal processing.
Low-Temperature Physics and Measurement
The compact package, low power consumption and cryogenic operating capability also make the CLNA series suitable for laboratory instruments, quantum sensing and low-temperature physics experiments.
Request CLNA-40-0400-0800-5P-ND-DB Price and Lead Time
DataStorageIC provides sourcing and quotation support for the Narda-MITEQ CLNA-40-0400-0800-5P-ND-DB and other CLNA series cryogenic low noise amplifiers.
To request a quotation, provide the exact model number, required quantity, target operating temperature, connector configuration, bias requirements and delivery destination. Datasheet confirmation, lead-time checks and alternative-model selection support are available for project and production requirements.
Frequently Asked Questions
What is the frequency range of CLNA-40-0400-0800-5P-ND-DB?
The amplifier operates from 4.0 to 8.0 GHz.
What gain does the CLNA-40-0400-0800-5P-ND-DB provide?
It provides approximately 40 dB typical gain at 4 K.
What is its typical noise temperature?
The specified typical noise temperature is 4 K under 4 K operating conditions.
What do the ND and DB suffixes mean?
ND indicates DC bias through a Nano-D connector. DB indicates dual-bias control.
Are other frequency and gain configurations available?
Yes. The Narda-MITEQ CLNA range includes 4–8 GHz, 4–12 GHz, 5–10 GHz, 6–9 GHz and 8–12 GHz models with minimum gain options from 25 to 40 dB.
