Description
EMC118A45SE Low Noise Preamplifier for EMI and RF Testing
The EMC118A45SE Low Noise Preamplifier is a precision-engineered solution designed for EMI measurement systems, RF testing, and demanding electromagnetic compatibility applications. Operating across a broad frequency range of 1–18 GHz, this preamplifier delivers outstanding performance with a nominal gain of 32 dB at 1 GHz and up to 45 dB at 18 GHz, ensuring excellent signal amplification across the spectrum.
Engineered to compensate for long cable losses, the EMC118A45SE ensures accurate test results even in setups with extended cable runs. Its low noise figure (3.5–8 dB max) improves system noise floor flatness, helping engineers achieve precise EMI and RF measurements. The unit is built with state-of-the-art LNA technology, providing high linearity, dynamic range, and unconditional stability.
Designed for real-world EMI testing environments, the preamplifier is compliant with key standards, including ANSI C63.4, ANSI C63.5, CISPR 16-1-4, CISPR 22/25/32, and MIL-STD-461, making it ideal for use in automotive, avionics, medical electronics, military, wireless, and IT sectors.
The compact design features 50-ohm SMA female connectors and comes with multiple mounting options, including antenna mast clamps and power supplies with 6m cables. With integrated grounding detect circuitry, it ensures safe and reliable operation under demanding test conditions.
For engineers seeking a high-performance, reliable, and stable low noise preamplifier, the EMC118A45SE is a trusted choice that enhances EMI test setups with precision and efficiency.
Technical Specifications (Tabular Data)
| Specification | Details |
| Frequency Range | 1 GHz – 18 GHz |
| Nominal Gain | 32 dB min @ 1 GHz, 45 dB min @ 18 GHz |
| Gain Flatness | 1–6 GHz: 36 dB ±3 dB 6–12 GHz: 40 dB ±3 dB 12–18 GHz: 45 dB ±3 dB |
| Noise Figure | 3.5 – 8 dB max |
| P-1dB Compression Point | 20 dBm min |
| Input/Output VSWR | 2.8:1 / 2.8:1 |
| Max RF Input Power | -15 dBm @ 1 GHz to -25 dBm @ 18 GHz |
| Power Requirements | 110 Vac / 240 Vac |
| Connectors | 50-ohm SMA Female |
| Size | Amplifier: 145 × 75 × 66 mm (158 mm) Power Supply: 217 × 254 × 100 mm |
| Net Weight | Amplifier: 628 g (870 g) Power Supply: 3000 g |
| Versions | -001: 50 mm tube clamp + PSU w/ 6m cable -002: 22 mm tube clamp + PSU -003: 52 mm box clamp + PSU |
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