DC–18 GHz SMP 10 dB Cryogenic Fixed Attenuator VST-QU-SMP100202-18G
P/N: VST-QU-SMP100202-18G
– 10 dB attenuation for cryogenic RF paths
– SMP interface for low-temperature systems
– 2 W power rating with 50 Ω impedance
– Built for dilution refrigerator signal chains
– Compact SMP format for dense assemblies
Engineering Note
The VST-QU-SMP100202-18G is a DC–18 GHz smp cryogenic fixed attenuator for cryogenic RF systems, quantum computing signal chains, and dilution refrigerator microwave paths. It provides 10 dB nominal attenuation in an inline smp cryogenic fixed attenuator with 50 Ω impedance, 2 W power rating, and ≤1.45:1 VSWR for controlled signal-level management at low temperature.
Technical Specifications
| Model | VST-QU-SMP100202-18G |
|---|---|
| Product Type | SMP Cryogenic Fixed Attenuator |
| Frequency Range | DC–18 GHz |
| Impedance | 50 Ω |
| Power Rating | 2 W |
| VSWR | ≤1.45:1 |
| Nominal Attenuation | 10 dB |
| Attenuation Tolerance | ±1.2 dB |
| Connector Interface | SMP-JK |
| Structure | Inline SMP cryogenic fixed attenuator |
| Body Material | Brass, gold-plated |
| Connector Outer Contact | Brass, gold-plated |
| Male Inner Contact | Beryllium copper, gold-plated |
| Female Inner Contact | Beryllium copper, gold-plated |
| Length | 19.4 ± 1.0 mm |
| Diameter | Ø7.1 mm |
| Body Format | 0–12 dB body format |
| Compliance | RoHS |
| Configuration | Non-magnetic option available on request |
Target Applications
High-Density Cryogenic RF Paths
Compact SMP attenuation for dense low-temperature microwave assemblies.
Quantum Computing Signal Chains
Connectorized attenuation for dilution refrigerator wiring and qubit control lines.
Low-Temperature Microwave Testing
Fixed RF level reduction for compact cryogenic measurement chains.
Space-Constrained RF Packaging
SMP interface format for compact RF modules and dense test layouts.
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