20 W Ku-band block up-converter with LO of 12.8 GHz BUC-Ku20-12.8 v2 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-Ku20-12.8 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku20-12.8 v2 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku20-12.8 v2 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-Ku20-12.8 is locked by PLL with internal frequency reference). BUC-Ku20-12.8 v2 provides 13.75 – 14.75 GHz output frequency range (bandwidth in Ku-band) for 950-1950 MHz input frequency range (bandwidth in L-band).
BUC-Ku20-12.8 v2 is a DVB-S/S2 Ku-band Block Upconverter with 20 W output, 63 dB gain, PLL LO 12.8 GHz, 10 MHz reference, WR75 flange and IP65 housing. Optional IP Control and LED indication are available. The BUC-Ku20-12.8 v2 is designed for DVB-S/S2 satellite uplinks, MVDS broadcasting and TV repeater stations.
Equipped with a PLL-locked 12.8 GHz local oscillator, integrated 10 MHz reference and outstanding linearity, this Ku-band BUC transmitter ensures precise frequency conversion, low phase noise and clean RF output. With 20 W at P1dB, 63 dB gain and 25 dB ALC range, the BUC-Ku20-12.8 v2 is built for high-performance DVB-S/S2 multicarrier systems.
Delivering IMD3 ≤−37 dBc and spurious suppression of ≤−55 dBc, the BUC-Ku20-12.8 v2 guarantees excellent modulation quality even for complex formats such as 32APSK and 256QAM. Its compact IP65-rated housing, energy efficiency (≤45 W) and lightweight design (2.95 kg) make it an ideal outdoor Ku-band BUC for mobile DSNG vans, regional teleports and repeater networks.
✅ Engineered for outdoor deployment
The BUC-Ku20-12.8 v2 is housed in a rugged IP65 enclosure that ensures full protection against rain, dust and temperature variations. Equipped with a WR75 PBR120 flange RF output and N-type IF input, it is designed as a fully integrated Ku-band satellite BUC for outdoor professional broadcasting infrastructures.
✅ With support for up to 25 carriers
As a multicarrier Ku-band BUC transmitter, the BUC-Ku20-12.8 v2 handles up to 25 carriers without loss of linearity, delivering interference-free operation in MVDS and DVB-S/S2 uplink environments. Its low spurious emissions and excellent phase noise performance ensure stable signals across dense channel distributions.
✅ Solid-state high-power design
The BUC-Ku20-12.8 v2 delivers 20 W RF output power in a solid-state architecture, ensuring durability and continuous service. With ≤45 W consumption and only 2.95 kg weight, this high-power Ku-band uplink amplifier is efficient, compact and reliable for broadcasters and teleports.
🛠️ Whether integrated into Ku-band BUC systems for VSAT and DSNG, deployed in regional repeaters, or used in MVDS broadcast networks, the BUC-Ku20-12.8 v2 offers professional reliability, precision and outdoor readiness.
🛒 The BUC-Ku20-12.8 v2 is now available for order. Ideal for system integrators and broadcasters requiring a high-performance 20 W Ku-band Block Upconverter with PLL LO and 10 MHz reference.
📌 Key features
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20 W Ku-band BUC-Ku20-12.8 v2 with solid-state power
Providing 20 W output power at P1dB, the BUC-Ku20-12.8 v2 ensures powerful Ku-band amplification for DVB-S/S2 broadcasting and uplinks.
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Fixed 12.8 GHz PLL local oscillator
With a PLL-locked LO at 12.8 GHz, the BUC-Ku20-12.8 v2 delivers frequency precision and low drift, making it a high-stability Ku-band BUC transmitter.
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63 dB gain with ALC control
The BUC-Ku20-12.8 v2 maintains output consistency with ≥63 dB gain and 25 dB ALC range, ensuring clean and linear performance under varying input levels.
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Integrated 10 MHz reference oscillator
Built-in 10 MHz reference simplifies synchronization in professional Ku-band BUC integrations, reducing external equipment requirements.
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WR75 flange and N-type IF input
Standardized connectors make the BUC-Ku20-12.8 v2 easy to integrate into existing uplink systems and repeater networks.
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High spectral purity and low distortion
With spurious ≤−55 dBc and IMD3 ≤−37 dBc, the BUC-Ku20-12.8 v2 is a high-linearity Ku-band BUC that preserves DVB-S/S2 modulation quality.
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Low phase noise for DVB-S/S2 systems
Achieving −80/−85/−100 dBc/Hz at 1/10/100 kHz, the BUC-Ku20-12.8 v2 maintains superior DVB-S/S2 signal integrity.
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Compact, outdoor-ready construction
At just 2.95 kg and IP65-protected, the BUC-Ku20-12.8 v2 is designed for mobile, teleport and repeater deployments in harsh outdoor conditions.
⚙️ Main functions
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IF-to-Ku frequency conversion
The BUC-Ku20-12.8 v2 converts 950-1950 MHz inputs into Ku-band outputs (13.75-14.75 GHz) with precision, making it a core Ku-band Block Upconverter.
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Automatic output regulation with ALC
With 25 dB ALC range, the BUC-Ku20-12.8 v2 adjusts output dynamically, keeping DVB-S/S2 uplinks stable under varying input powers.
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PLL LO with integrated reference
The BUC-Ku20-12.8 v2 uses a PLL LO and 10 MHz reference for long-term operational stability, ideal for teleports and MVDS broadcasting.
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Linear, low-distortion amplification
High linearity and low IMD3 distortion allow the BUC-Ku20-12.8 v2 to maintain DVB-S/S2 signal quality in multi-carrier setups.
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Filtering and spurious rejection
Internal filters in the BUC-Ku20-12.8 v2 reduce spurious emissions, ensuring clear signals in Ku-band broadcasting.
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Seamless DVB-S/S2 integration
The BUC-Ku20-12.8 v2 is optimized for professional DVB-S/S2 infrastructures, supporting VSAT, DSNG and TV repeater stations.
🧩 Applications
The BUC-Ku20-12.8 v2 provides high-power 20 W output for VSAT terminals and DSNG vans, ensuring stable transmissions in mobile and fixed setups.
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MVDS broadcasting networks
As a MVDS block upconverter, the BUC-Ku20-12.8 v2 supports multi-channel broadcasting with high stability.
The BUC-Ku20-12.8 v2 is well-suited for TV repeater stations requiring strong, clean Ku-band retransmission.
Providing 20 W output, the BUC-Ku20-12.8 v2 fits regional teleports demanding reliable Ku-band amplification.
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OB vans and mobile broadcast units
Compact and IP65-rated, the BUC-Ku20-12.8 v2 is an ideal outdoor Ku-band BUC for mobile DSNG vans and OB vehicles.
The BUC-Ku20-12.8 v2 can be integrated into OEM cabinets and modular systems as a compact Ku-band Block Upconverter.
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Harsh outdoor deployments
With −40℃ to +50℃ operational range, the BUC-Ku20-12.8 v2 is a reliable Ku-band outdoor BUC for extreme climates.
The BUC-Ku20-12.8 v2 supports IP monitoring and LED indication, making it a smart, managed solution for Ku-band BUC 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-Ku20-12.8 v2, 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-Ku20-12.8 v2 is available to customize its parameters by order.
