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Satellite communication systems depend on the quality and performance of every RF component in the signal chain. While antennas, modems, and BUCs often receive the most attention, the Low Noise Block Converter (LNB) is one of the most critical devices in determining overall receive performance.
A high-quality LNB directly impacts signal quality, carrier acquisition, noise performance, network reliability, and the ability to maintain communication links in challenging environments.
The Swedish Microwave C-Band PLL LNB 3.40–4.80 GHz 1 Band has been engineered specifically for professional satellite communication applications that require excellent phase noise performance, superior filtering, exceptional frequency stability, and reliable operation under demanding environmental conditions.
Designed and manufactured by Swedish Microwave, this PLL-based C-Band LNB incorporates integrated RF filtering, low phase noise performance compliant with DVB-S2X requirements, high output linearity, and multiple frequency configurations to support a wide range of commercial satellite communication deployments.
At VSATplus, customers can order the Swedish Microwave C-Band PLL LNB along with a complete range of satellite communication equipment and RF accessories.
An LNB (Low Noise Block Converter) is one of the most important receiving components in a satellite communication system.
Its primary functions include:
Without a high-quality LNB, even large antennas and advanced modems cannot achieve optimal performance.
The Swedish Microwave C-Band PLL LNB is designed specifically to maximize signal quality while reducing the impact of interference and phase noise.
The Swedish Microwave C-Band PLL LNB covers frequencies from:
3.40 GHz to 4.80 GHz
and is available in several model variants with different Local Oscillator (LO) frequencies and operating ranges.
The product offers:
✔ Internal RF filtering
✔ DVB-S2X compliant phase noise performance
✔ High P1dB output power
✔ High IP3 performance
✔ Internal or external reference options
✔ Wide temperature operation
✔ Compact and lightweight construction
✔ Professional-grade reliability
These characteristics make it suitable for:
One of the strongest advantages of this LNB is its integrated filtering architecture.
According to the manufacturer, the design includes built-in filters that provide isolation from interference sources such as:
These filters help improve signal integrity and reduce unwanted RF energy entering the receive chain.
For satellite operators, this translates into:
Modern satellite communication systems increasingly utilize DVB-S2X modulation schemes.
To support these advanced standards, the Swedish Microwave LNB provides:
Low phase noise performance specifically designed to meet DVB-S2X requirements.
Phase noise specifications:
| Offset | Phase Noise |
|---|---|
| 100 Hz | -62 dBc/Hz |
| 1 kHz | -80 dBc/Hz |
| 10 kHz | -88 dBc/Hz |
| 100 kHz | -95 dBc/Hz |
| >1 MHz | -112 dBc/Hz |
These excellent values contribute to:
The Swedish Microwave LNB offers:
| Parameter | Value |
|---|---|
| Output P1dB | +15 dBm Typical |
| Output IP3 | +25 dBm Typical |
Benefits include:
Customers can choose between:
Frequency stability options:
depending on model selection.
Support for:
This flexibility allows integration into professional satellite infrastructures requiring centralized frequency reference systems.
The Swedish Microwave C-Band PLL LNB is available in several configurations.
| Model | RF Input Range | LO Frequency | IF Output Range | Flatness |
|---|---|---|---|---|
| 5.15 S | 3.625 – 4.200 GHz | 5.15 GHz | 1525 – 950 MHz | ±2 dB |
| 5.15 E | 3.400 – 4.200 GHz | 5.15 GHz | 1750 – 950 MHz | ±2 dB |
| 5.15 B | 3.700 – 4.200 GHz | 5.15 GHz | 1450 – 950 MHz | ±2 dB |
| 5.30 C | 3.800 – 4.200 GHz | 5.30 GHz | 1500 – 1100 MHz | ±2 dB |
| 5.75 W | 3.600 – 4.800 GHz | 5.75 GHz | 2150 – 950 MHz | ±3 dB |
| 5.75 W Extended | 3.400 – 4.800 GHz | 5.75 GHz | 2350 – 950 MHz | ±3 dB |
| 5.75 U | 4.500 – 4.800 GHz | 5.75 GHz | 1250 – 950 MHz | ±2 dB |
| 5.95 U | 4.500 – 4.800 GHz | 5.95 GHz | 1450 – 1150 MHz | ±2 dB |
This broad selection enables compatibility with numerous global satellite operators and frequency plans.
| Parameter | Specification |
|---|---|
| Input Waveguide | WR229 / R40, CPR229G |
| Input VSWR | 2.5:1 Max |
| Input Power | 0 dBm Instantaneous |
| DC Supply | +12V to +18V |
| Current Consumption | 430 mA Typical |
| Parameter | Specification |
|---|---|
| Gain | 60 dB Typical |
| Minimum Gain | 55 dB |
| Gain Stability | ±0.1 dB |
| Noise Figure | 0.69 dB Typical |
| Noise Temperature | 50 K Typical |
| Group Delay | ±1 ns Max |
| Parameter | Specification |
|---|---|
| Image Rejection | 40 dB Min |
| Out-of-Band Rejection | 20 dB Min |
| LO Leakage (Waveguide) | -60 dBm Max |
| LO Leakage (IF Output) | -40 dBm Max |
These specifications help ensure excellent receive performance in crowded RF environments.
The unit is compact and lightweight.
| Parameter | Specification |
|---|---|
| Dimensions (F/SMA) | 142 × 99 × 70 mm |
| Dimensions (N-Type) | 148 × 99 × 70 mm |
| Weight (F/SMA) | 380 g |
| Weight (N-Type) | 396 g |
The technical drawing provided by Swedish Microwave demonstrates a compact footprint suitable for feed-mounted installations.
Professional satellite equipment must operate reliably under extreme conditions.
| Parameter | Specification |
|---|---|
| Operating Temperature | -40°C to +80°C |
| Storage Temperature | -40°C to +80°C |
This wide operating range makes the LNB suitable for:
Reliability is a major consideration for mission-critical communication networks.
The Swedish Microwave LNB provides:
| Environment | MTBF |
|---|---|
| Ground Fixed (GF) | >489,000 Hours |
| Airborne Cargo (AIC) | >245,000 Hours |
Calculated according to:
MIL-HDBK-217F Notice 2
These values indicate excellent long-term reliability.
The manufacturer offers several customization options:
This flexibility allows operators to tailor the LNB to specific network requirements.
Ideal for enterprise and carrier-grade VSAT deployments.
Excellent receive performance for gateway and teleport systems.
Supports DVB-S2 and DVB-S2X contribution and distribution networks.
Reliable and stable performance for mission-critical operations.
Wide temperature range and high reliability support marine deployments.
Professional-grade filtering and frequency stability improve communication resilience.
Key advantages include:
✔ Integrated 5G and WiMAX interference filtering
✔ DVB-S2X compliant low phase noise
✔ Excellent 0.69 dB noise figure
✔ 60 dB typical gain
✔ High output P1dB and IP3
✔ Internal or external reference options
✔ Wide frequency configurations
✔ Compact lightweight design
✔ Exceptional MTBF performance
✔ Professional-grade reliability
VSATplus supplies professional satellite communication products to customers worldwide.
Benefits of ordering from VSATplus include:
Whether you are deploying a VSAT network, upgrading a teleport, supporting broadcast operations, or building government communication infrastructure, VSATplus can help identify the right LNB solution for your project.
The Swedish Microwave C-Band PLL LNB 3.40–4.80 GHz 1 Band is a professional-grade frequency conversion solution designed for modern satellite communication networks.
Combining integrated interference filtering, DVB-S2X compliant phase noise performance, high gain, low noise figure, excellent frequency stability, and exceptional reliability, it delivers the performance required by today’s most demanding VSAT, teleport, broadcast, maritime, and government communication systems.
Available now from VSATplus, the Swedish Microwave C-Band PLL LNB provides a dependable and future-ready solution for professional satellite receive applications.
