The 40W C-band BUC is a rugged, compact solid state amplifier (SSPA) with integrated block up converter (BUC) suitable for fixed and mobile satellite communications with high data rate or multicarrier requirements. The 40W C-band BUC is an outdoor, environmentally sealed product that can be mounted close to the antenna feed to reduce waveguide loss.
The BUC-C40 is a professional-grade 40 W C-band Block Upconverter (BUC transmitter) engineered for high-power satellite uplinks, MVDS broadcasting, DSNG and DVB-S/S2 systems. With its PLL stabilized 4900 MHz LO, built-in 10 MHz reference and solid-state GaAs amplifier design, the BUC-C40 C-band BUC ensures excellent frequency stability, high spectral purity and outstanding linearity required for modern multicarrier broadcasting and data communication.
Operating with an IF input range of 0.95-1.525 GHz and delivering RF output in the 5.85-6.425 GHz band, the BUC-C40 upconverter guarantees wide-band coverage suitable for global C-band applications. The 40 W output power (P1dB) and ≥66 dB gain make the BUC-C40 SSPB/SSPA ideal for demanding satellite uplinks, mobile broadcasting units and repeater stations.
The unit integrates N-type IF input and WR137-G waveguide flange output with a fully matched transition for low-loss RF performance. Advanced spectral filtering achieves in-band spurious ≤ −50 dBc, out-band ≤ −60 dBc and image rejection ≥60 dB, ensuring clean DVB transmission with minimal interference.
✅ Outdoor-ready construction
The BUC-C40 C-band transmitter is built in a compact, environmentally sealed housing (260×135×92 mm, 4.7 kg). Designed for outdoor operation, it withstands temperatures from −20℃ to +50℃ and up to 95% humidity, ensuring reliable performance in harsh environments where C-band uplinks are critical.
✅ Smart monitoring and control
Equipped with RS-232, Ethernet and step attenuator M&C, the BUC-C40 uplink BUC enables operators to configure gain, monitor alarms and control performance remotely. LED indicators (Green – OK, Red – Alarm, Yellow – Mute) provide quick diagnostics.
✅ High linearity GaAs design
Based on GaAs SSPA technology, the BUC-C40 C-band amplifier supports multicarrier operation, maintaining IMD3 ≤ −25 dBc at full rated output, making it a professional C-band uplink BUC for DSNG and DVB-S2 systems.
🛠️ Whether you are building a C-band BUC integration for MVDS, sourcing a compact 40 W SSPB for DVB-S2 uplinks, or requiring a professional C-band BUC transmitter with WR137 flange and PLL LO, the BUC-C40 is engineered for performance, efficiency and reliability.
🛒 The BUC-C40 C-band Block Upconverter is available to order now, offering operators a compact, solid-state and stable C-band transmitter for broadcasting and satellite uplinks.
📌 Key Features
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40 W solid-state C-band BUC transmitter
The BUC-C40 delivers 46 dBm P1dB RF output, making it a high-power C-band SSPB for DVB-S/S2 broadcasting and uplink stations.
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PLL stabilized 4900 MHz LO
The BUC-C40 Block Upconverter uses a PLL-locked LO with low phase noise (−105 dBc/Hz @100 kHz), ensuring stable DVB broadcasting performance.
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66 dB high gain with step attenuation
The C-band BUC-C40 transmitter provides ≥66 dB gain with fine level control via step attenuator.
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Built-in 10 MHz reference input
The BUC-C40 C-band BUC with 10 MHz reference synchronizes easily with teleport systems and repeater stations.
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WR137 waveguide output with N-type IF input
Ensures low-loss integration into C-band antennas and systems.
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Outdoor-ready, compact design
With only 4.7 kg weight and IP-sealed enclosure, the BUC-C40 uplink amplifier is optimized for outdoor broadcast units and VSATs.
⚙️ Main Functions
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Professional frequency upconversion
Converts 0.95-1.525 GHz IF input into 5.85-6.425 GHz RF output, supporting DVB-S/S2, DVB-C, DVB-T and MVDS transmission systems.
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Integrated GaAs SSPA amplification
Provides 40 W RF output power at P1dB with high linearity, ensuring clean DVB broadcasting and multicarrier operation.
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Advanced signal processing
Includes ALC and step attenuator functions for stable output across varying input levels.
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Spectral purity and stability
Delivers spurious suppression (≤ −50 dBc in-band, ≤ −60 dBc out-band), LO leakage ≤ −40 dBm and image rejection ≥60 dB.
Via Ethernet, RS-232 and dedicated step attenuator control for professional uplink networks.
Visual feedback with Green (OK), Red (Alarm), Yellow (Mute) indicators.
🧩 Applications
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MVDS broadcasting networks
The BUC-C40 40 W C-band BUC is an excellent choice for terrestrial TV distribution requiring high-power and stability.
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DVB-S/S2 and DSNG uplinks
A PLL stabilized C-band BUC transmitter for satellite news gathering vans and broadcasting studios.
The BUC-C40 Block Upconverter ensures reliable DVB rebroadcasting with high gain and low spurious.
A professional C-band SSPB for uplink centers and satellite gateways.
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Mobile broadcasting units (OB vans)
Compact and rugged, the BUC-C40 uplink transmitter integrates seamlessly into mobile broadcasting fleets.
The BUC-C40 C-band module can be adapted into customized satellite uplink systems.
💡 Why you should buy from us❓
- 1.5 years warranty
- 7 years after-sales support
- Remote support team of engineers
- Discount program for regular customers
💬 Contact Us
For additional details or assistance regarding the BUC-C40 C-band BUC transmitter, feel free to contact our team. We provide consultation and aftersales support to ensure correct installation and system integration. BUC-C40 is available to customize its parameters by order.
