10 W Ku-band block up-converter with LO of 11.8 GHz BUC-Ku10-11.8 is designed for MVDS TV broadcasting systems application in accordance with DVB-S/S2 or DVB-C standards (use “Customized” button to choose needed parameters) and operates with up to 25 carriers. BUC-Ku10-11.8 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku10-11.8 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku10-11.8 has the best linearity parameters to ensure the stability of the output frequency and low IMD3 level (these parameters are very important for high quality modulation, therefore the local oscillator of BUC-Ku10-11.8 is locked by PLL with internal frequency reference). BUC-Ku10-11.8 provides 12.75 – 13.75 GHz output frequency range (bandwidth in Ku-band) for 950-1950 MHz input frequency range (bandwidth in L-band).
BUC-Ku10-11.8 is a professional DVB-S/S2 Ku-band Block Upconverter designed for satellite uplinks, repeater stations and MVDS broadcasting. With a fixed 11.8 GHz PLL local oscillator, the BUC-Ku10-11.8 ensures accurate frequency conversion, low phase noise and long-term stability. Supporting advanced modulation schemes including 32APSK and 256QAM, the BUC-Ku10-11.8 delivers high linearity and reliable performance for broadcasters and system integrators.
This Ku-band BUC transmitter provides 10 W at P1dB with ≥60 dB gain, integrated 10 MHz reference and a 25 dB ALC range. Built for multicarrier use up to 25 carriers, the BUC-Ku10-11.8 maintains a clean spectrum with spurious rejection of ≤−55 dBc and LO leakage ≤−40 dBm, making it a trusted high-linearity Ku-band BUC for DVB-S/S2 uplinks.
✅ Engineered for outdoor deployment
The BUC-Ku10-11.8 is enclosed in an IP65-rated weatherproof housing that resists dust, moisture and extreme climates. Equipped with WR75 waveguide / PBR120 flange RF output and N-type IF input, the BUC-Ku10-11.8 is a fully integrated Ku-band outdoor BUC solution that ensures stability and reliability in remote, fixed and mobile environments.
✅ Support for up to 25 carriers
The BUC-Ku10-11.8 supports up to 25 carriers, making it suitable for dense DVB-S/S2 Ku-band BUC integration projects. With low phase noise (−85 dBc/Hz @10 kHz) and minimal spurious output, the BUC-Ku10-11.8 guarantees clear signal transmission in complex multicarrier networks, MVDS systems and repeater stations.
✅ Solid-state reliability with compact profile
Built as a solid-state Ku-band BUC, the BUC-Ku10-11.8 provides robust performance with ≤30 W consumption and a weight of only 1.24 kg. Its compact design ensures easy mounting on mobile DSNG vans, teleports and satellite repeaters. With the BUC-Ku10-11.8, integrators gain a long-lasting Ku-band outdoor BUC that balances power, efficiency and portability.
🛠️ Whether you are sourcing a Ku-band BUC with 10 MHz reference and LED status indication or building a multicarrier uplink system, the BUC-Ku10-11.8 is optimized for reliability, stability and professional broadcast use.
🛒 The BUC-Ku10-11.8 is now available for purchase and ready to deploy into DVB-S/S2 Ku-band uplink systems worldwide.
📌 Key features
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Compact Ku-band BUC with solid-state architecture
The BUC-Ku10-11.8 is designed as a compact Ku-band Block Upconverter for DVB-S/S2 uplinks, MVDS networks and professional repeater stations. As a solid-state Ku-band BUC transmitter, the BUC-Ku10-11.8 offers high reliability, energy efficiency and seamless integration into outdoor Ku-band BUC systems.
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Fixed 11.8 GHz PLL LO with ±2 ppm stability
The BUC-Ku10-11.8 uses an 11.8 GHz PLL local oscillator for frequency accuracy and long-term stability. With low phase noise and minimal drift, this high-stability Ku-band BUC ensures clean DVB-S/S2 transmissions even under challenging conditions.
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10 W output at P1dB with 25 dB ALC dynamic range
Delivering 10 W RF output power, the BUC-Ku10-11.8 guarantees strong signal levels while maintaining linearity. Its 25 dB ALC range allows the Ku-band BUC transmitter to adapt to changing input power levels, ensuring stability and protection in multicarrier Ku-band uplink amplifiers.
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Integrated 10 MHz reference oscillator
The BUC-Ku10-11.8 includes an internal 10 MHz reference, making it a self-sufficient Ku-band BUC with synchronization capability. This eliminates the need for external references, simplifying setup and reducing cost in VSATs, DSNG vans and MVDS networks.
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WR75 PBR120 flange output and N-type IF input
The BUC-Ku10-11.8 is equipped with a WR75 PBR120 flange RF output and N-type female IF connector for easy system integration. This makes the BUC-Ku10-11.8 compatible with standard DVB-S/S2 Ku-band BUC systems, repeater stations and satellite uplink infrastructures.
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Spectral purity and spurious rejection
With in-band spurious levels ≤−55 dBc and LO leakage ≤−40 dBm, the BUC-Ku10-11.8 ensures excellent spectrum cleanliness. This high-linearity Ku-band BUC is ideal for dense DVB-S/S2 and MVDS broadcast networks requiring minimal interference.
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Superior phase noise characteristics
The BUC-Ku10-11.8 delivers low phase noise of −80 dBc/Hz @1 kHz, −85 dBc/Hz @10 kHz and −100 dBc/Hz @100 kHz. This performance supports advanced DVB-S/S2 modulation schemes, making the BUC-Ku10-11.8 a low phase noise Ku-band BUC transmitter for professional-grade links.
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Efficient power usage and rugged outdoor housing
Operating on 18-30 VDC with ≤30 W consumption, the BUC-Ku10-11.8 is energy efficient while providing full reliability in outdoor conditions with its IP65 enclosure.
⚙️ Main functions
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Precise IF to Ku-band frequency conversion
The BUC-Ku10-11.8 converts 950-1950 MHz IF signals into 12.75-13.75 GHz Ku-band output using its 11.8 GHz PLL LO. As a DVB-S/S2 Ku-band BUC, the BUC-Ku10-11.8 ensures seamless integration with modulators and transceivers.
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Automatic output power regulation via ALC
With its ALC function, the BUC-Ku10-11.8 automatically controls its 10 W RF output, ensuring consistency across varying input conditions. This makes the BUC-Ku10-11.8 a reliable Ku-band uplink amplifier for multicarrier deployments.
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High stability through PLL LO and integrated 10 MHz reference
By combining a PLL-locked oscillator and an internal reference, the BUC-Ku10-11.8 provides long-term frequency stability, making it a high-stability Ku-band BUC suitable for VSAT, DSNG and teleport installations.
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High linearity amplification with low IMD3 distortion
With IMD3 ≤−37 dBc, the BUC-Ku10-11.8 ensures distortion-free signals. As a high-linearity Ku-band BUC transmitter, it preserves modulation quality in DVB-S/S2 broadcast and telecom environments.
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Filtering and spurious suppression
Internal RF filtering helps the BUC-Ku10-11.8 minimize unwanted emissions, ensuring clean Ku-band BUC performance in dense frequency environments.
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Seamless DVB-S/S2 system integration
With WR75 flange output and N-type IF input, the BUC-Ku10-11.8 is designed for easy integration into DVB-S/S2 Ku-band BUC systems, teleports and TV repeater stations.
🧩 Applications
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VSAT BUC and DSNG uplinks
The BUC-Ku10-11.8 is a reliable 10 W VSAT Ku-band BUC for small satellite terminals and mobile DSNG vehicles. Its solid-state design ensures stable operation for mobile broadcast contribution.
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MVDS block upconverter deployments
As a high-linearity MVDS block upconverter, the BUC-Ku10-11.8 supports terrestrial multichannel video distribution with minimal spurious output and strong reliability.
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Ku-band BUC for TV repeater stations
The BUC-Ku10-11.8 provides accurate signal regeneration for repeater stations, making it a solid DVB-S/S2 Ku-band BUC for TV rebroadcast systems.
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Broadcast contribution from mobile units
The BUC-Ku10-11.8 is lightweight and IP65-protected, ideal for OB vans and mobile broadcast uplinks requiring reliable field deployment.
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OEM integration and system builds
The BUC-Ku10-11.8 is compact and versatile, making it ideal for OEM integrators and custom broadcast solutions where Ku-band Block Upconverters are required.
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Outdoor Ku-band deployments in harsh climates
With IP65 housing and a −40℃ to +50℃ temperature range, the BUC-Ku10-11.8 is designed for extreme environments such as deserts, mountains and maritime systems.
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Teleport and broadcast infrastructure
The BUC-Ku10-11.8 integrates seamlessly into teleports and fixed uplink stations with its WR75 flange and PBR120 compatibility.
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Engineers requiring monitoring and remote control
With optional IP control and LED indication, the BUC-Ku10-11.8 supports advanced monitoring, making it a flexible Ku-band BUC transmitter for system integrators.
💡 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-Ku10-11.8, feel free to contact our team. We provide professional consultation and aftersales support to help with installation and setup, ensuring you get the most out of your broadcasting equipment. BUC-Ku10-11.8 is available with customized parameters by order.
