1 W Ku-band block up-converter with LO of 11.8 GHz BUC-Ku01-11.8 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-Ku01-11.8 v2 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku01-11.8 v2 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku01-11.8 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-Ku01-11.8 v2 is locked by PLL with internal frequency reference). BUC-Ku01-11.8 v2 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-Ku01-11.8 v2.0 is a professional DVB-S/S2 Ku-band Block Upconverter designed for satellite uplinks, VSAT, DSNG, MVDS and broadcast repeater stations. This compact Ku-band transmitter integrates a fixed 11.8 GHz PLL local oscillator, ensuring high frequency stability, low phase noise and precision conversion for DVB-S/S2 modulation types including 32APSK and 256QAM.
This solid-state Ku-band BUC delivers 1 W output power at P1dB, with ≥47 dB gain and a 25 dB ALC dynamic range for stable, controlled operation. With its internal 10 MHz reference, the BUC-Ku01-11.8 v2.0 simplifies system synchronization, making it an excellent choice for integrators building reliable Ku-band uplink systems.
✅ Engineered for outdoor deployment
The BUC-Ku01-11.8 v2.0 is enclosed in a rugged IP65-rated housing, offering protection from moisture, dust and harsh weather conditions. Featuring WR75 / PBR120 flange RF output and 50-ohm N-type Female IF input (F and SMA connectors optional), this Ku-band outdoor BUC is fully ready for direct system integration.
✅ Support for up to 25 carriers
The BUC-Ku01-11.8 v2.0 supports multicarrier operation with excellent linearity. Its low phase noise, superior IMD3 performance and in-band spurious rejection ≤−55 dBc ensure clean signal transmission, essential for professional DVB-S/S2 uplinks.
✅ Great fit for broadcast, telecom and repeater networks
Designed for Ku-band BUC deployments in VSAT, DSNG and MVDS networks, this model provides outstanding reliability with ≤7 W consumption and a lightweight body (~0.62 kg). The BUC-Ku01-11.8 v2.0 is ideal for compact installations where energy efficiency and outdoor durability are key.
🛠️ Whether for mobile broadcast units or fixed TV repeater systems, the BUC-Ku01-11.8 v2.0 is optimized for high stability, low phase noise and efficient Ku-band uplink performance.
🛒 The BUC-Ku01-11.8 v2.0 is available now for purchase and integration into professional Ku-band uplink and broadcasting systems.
📌 Key features
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Compact Ku-band BUC-Ku01-11.8 v2.0 with solid-state design
A lightweight Ku-band Block Upconverter (~0.62 kg) designed for mobile broadcast vehicles, repeater stations and MVDS systems where compact form factor and reliability are critical.
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Fixed 11.8 GHz PLL LO with ±2 ppm stability
The BUC-Ku01-11.8 v2.0 integrates a PLL-stabilized 11.8 GHz LO, ensuring high frequency stability and minimal drift. This performance is essential for DVB-S/S2 Ku-band BUC systems requiring precise upconversion.
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1 W output power with ALC (25 dB range)
Delivers 1 W output at P1dB while maintaining consistent amplification through ALC. The wide dynamic range prevents overload, ensuring reliable performance in multicarrier Ku-band uplink systems.
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Integrated 10 MHz reference
This built-in 10 MHz oscillator ensures accurate synchronization without external reference modules, making the BUC-Ku01-11.8 v2.0 a simple yet precise solution for Ku-band broadcasting.
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WR75 / PBR120 flange with N-type IF input
The BUC-Ku01-11.8 v2.0 uses standardized waveguide and IF interfaces for simple integration into Ku-band broadcast and uplink systems.
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Low spurious emissions and LO leakage
With ≤−55 dBc spurious and ≤−40 dBm LO leakage, this Ku-band transmitter ensures clean signal transmission for professional broadcasting.
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Excellent phase noise: −85 dBc/Hz @10 kHz
Phase noise performance ensures stability for DVB-S/S2 modulation schemes (32APSK, 256QAM), allowing distortion-free operation in complex broadcast environments.
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Efficient operation: 18-30 VDC, ≤7 W
The BUC-Ku01-11.8 v2.0 consumes less than 7 W, enabling energy-efficient integration in remote or mobile Ku-band broadcasting systems.
With an IP65-rated weatherproof design, this Ku-band Block Upconverter operates reliably in challenging climates, from desert heat to maritime humidity.
⚙️ Main functions
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Ku-band frequency upconversion
The BUC-Ku01-11.8 v2.0 converts input IF (950-1950 MHz) to RF output (12.75-13.75 GHz) using its PLL-controlled 11.8 GHz LO, supporting DVB-S/S2 uplinks.
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ALC-based automatic output control
Real-time ALC circuitry ensures stable transmission levels, protecting downstream hardware and maintaining signal quality across multiple carriers.
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PLL LO with 10 MHz reference for stability
Combining PLL technology and a 10 MHz reference oscillator, the BUC-Ku01-11.8 v2.0 ensures frequency accuracy and long-term reliability.
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High-linearity amplification and RF filtering
Integrated amplification stages deliver linear Ku-band output with minimal spurious noise, supporting DVB-S/S2 systems in broadcast and telecom.
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Optimized for DVB-S/S2 Ku-band system integration
The BUC-Ku01-11.8 v2.0 fits seamlessly into VSAT terminals, DSNG units and repeater systems, maintaining DVB compliance and broadcast standards.
🧩 Applications
Reliable Ku-band BUC for professional VSAT terminals and DSNG broadcast uplinks requiring stable operation and low power consumption.
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MVDS block upconverter deployments
A compact MVDS block upconverter for terrestrial TV distribution, delivering clean, linear Ku-band signals for multichannel networks.
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Broadcast repeater stations
Ensures robust uplink performance with controlled LO stability and ALC regulation, supporting TV repeater installations.
Lightweight and IP65-protected, the BUC-Ku01-11.8 v2.0 is an excellent choice for mobile production vans and temporary uplink stations.
Its compact size and solid-state reliability make it suitable for integration in OEM cabinets, modular headends and custom Ku-band uplink solutions.
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Outdoor deployments in harsh climates
With IP65 housing, the BUC-Ku01-11.8 v2.0 withstands rain, dust and extreme temperatures, making it reliable for maritime or desert uplink systems.
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Teleport and broadcast networks
The WR75 / PBR120 flange ensures easy integration into large teleports and multi-carrier broadcast environments.
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LED indication and optional IP control
The BUC-Ku01-11.8 v2.0 offers LED diagnostics and optional IP-based remote control, giving engineers greater flexibility in system monitoring.
💡 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-Ku01-11.8 v2.0, 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-Ku01-11.8 v2.0 is available to customize its parameters by order.
