2086
BUC-Ku002-11.8 v2.0
Short description
BUC-Ku002-11.8 v2 is block up-converter with fixed output power P1dB 0.2 W (ALC power: 30 mW) and LO of 11.8GHz.
Our BUC operates with up to 25 carriers and has built-in reference of 10 MHz;
has ALC with 25 dB range;
IP Ctrl (by order)
+ LED status indication at the rear side.
Request for customized equipment
-
Description
-
Downloads
0.2 W Ku-band block up-converter with LO of 11.8 GHz BUC-Ku002-11.8 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-Ku002-11.8 v2 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku002-11.8 v2 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku002-11.8 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-Ku002-11.8 v2 is locked by PLL with internal frequency reference). BUC-Ku002-11.8 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).
LO: 11.8 GHz IN: 950 – 1950 MHz OUT: 12.75 – 13.75 GHz
KEY FEATURES:
- Output flange: PBR120
- Output power (P1dB, min): 0.2 W
- Output frequency range: 12.75 – 13.75 GHz
- Input frequency range: 950 – 1950 MHz
- Gain (min): 45 dB
- Highly stable internal frequency reference
- LO is locked by PLL with internal frequency reference
- IMD3 level at ALC output power (the lowest value): -45 dBc max
- Operates with up to 25 carriers
- Supported modulation types: up to 32APSK and 256QAM
| Input parameters: | |
|---|---|
| Input frequency range | 950 – 1950 MHz |
| Input impedance | 50 Ohm |
| Input level, max | -15 dBm |
| Input VSWR, max | 1.5 |
| Input interface | N-type Female |
| ALC range, min | 25 dB |
| ALC threshold level | -30 dBm |
| Local oscilator: | |
| LO frequency | 11.8 GHz |
| LO phase noise: | |
| @1 kHz | -80 dBc/Hz |
| @10 kHz | -85dBc/Hz |
| @100 kHz | -100dBc/Hz |
| LO instability | ± 2ppm |
| Output parameters: | |
| Output frequency range | 12.75 – 13.75 GHz |
| Output power @P1dB | 0.2 W |
| ALC output power | 30 mW |
| Gain, min | 45 dB |
| IMD3 level at ALC output power, max | -37 dBc |
| Output interface | Waveguide WR75, Flange PBR120 |
| Output VSWR, max | 2 |
| Frequency response: | |
| Flatness over Full Band | ±1.5 dB |
| Spurious: | |
| In-band @P1dB, max | -55 dBc |
| Out-Band, max | -30 dBm |
| LO leakage at ALC output power, max | -40 dBm |
| Image rejection, min | 60 dB |
| Power supply: | |
| Input voltage | 18 – 30 VDC, nominal 24 VDC |
| Power consumption, max | 6 W |
| Environmental: | |
| Operating temperature | -40℃ to +50℃ (-40℉ to +122℉) |
| Storage temperature | -60℃ to +80℃ (-76℉ to +176℉) |
| Operating humidity | 100%, non‐condensing |
| Mechanical: | |
| Dimensions (W x H x D) | 75x33x157 mm |
| Weight | 0.55 kg |
BUC-Ku002-11.8 v2.0 is a professional-grade Ku-band Block Upconverter engineered for MVDS broadcasting, satellite uplinks and TV repeater systems. With its compact design, solid-state reliability and support for advanced DVB-S/S2 and DVB-C standards, this unit is a powerful choice for broadcasters and system integrators.
It features a fixed 11.8 GHz PLL local oscillator with ±2 ppm stability, ensuring minimal drift and excellent low phase noise performance (−85 dBc/Hz @10 kHz). Supporting up to 25 carriers simultaneously, the BUC-Ku002-11.8 v2.0 provides consistent performance across demanding modulation schemes including 256QAM and 32APSK.
Delivering 0.2 W output power at P1dB and a minimum 45 dB gain, this Ku-band BUC transmitter offers wide dynamic range with integrated ALC automatic output control (≥25 dB). The built-in 10 MHz reference oscillator guarantees frequency precision without requiring external synchronization, making it highly attractive for integration into professional broadcasting and uplink systems.
✅ Rugged IP65 weatherproof enclosure
The BUC-Ku002-11.8 v2.0 is designed with an IP65-rated housing, providing complete protection against dust, moisture and extreme environmental conditions. This makes it a reliable Ku-band outdoor BUC for fixed installations, mobile broadcast units and remote uplink sites.
✅ WR75 PBR120 flange output and N-type IF input
Equipped with a WR75 PBR120 flange for RF output and a 50-ohm N-type female input (950-1950 MHz), this model ensures seamless compatibility with industry-standard antennas, uplink terminals and TV repeater systems.
✅ Lightweight and energy-efficient design
Weighing just 0.55 kg and consuming only ≤6 W, the BUC-Ku002-11.8 v2.0 is optimized for space-limited and mobile deployments. Its compact solid-state design enables efficient integration into broadcast vans, MVDS headend equipment and OEM enclosures.
✅ Stable PLL LO with integrated 10 MHz reference
Featuring a fixed 11.8 GHz PLL local oscillator with ±2 ppm stability and an internal 10 MHz reference, the BUC-Ku002-11.8 v2.0 guarantees exceptional frequency precision without requiring an external reference source.
✅ Multicarrier operation with advanced modulation support
The unit supports up to 25 carriers simultaneously and maintains linearity for complex modulation schemes such as 256QAM and 32APSK, ensuring distortion-free DVB-S2 signal transmission.
🛠️ Whether you’re building a Ku-band BUC integration for remote broadcast units or sourcing a Ku-band BUC with 10 MHz reference and LED indication, this model is optimized for precision, efficiency and performance.
🛒 The BUC-Ku002-11.8 v2.0 is now available for purchase and ready to deploy into any Ku-band BUC system that requires compactness, stability and outdoor readiness.
📌 Key features
-
Compact solid-state Ku-band design
The BUC-Ku002-11.8 v2.0 is a solid-state Ku-band BUC with a compact form factor, engineered for professional broadcasting where size, weight and reliability matter most.
-
Fixed 11.8 GHz PLL local oscillator with ±2 ppm stability
Equipped with a PLL-locked 11.8 GHz LO, this model provides stable upconversion with low phase noise, ensuring reliable operation for DVB-S/S2 Ku-band broadcasting.
-
Output power 0.2 W at P1dB with ALC (25 dB range)
The 0.2 W output power combined with automatic level control ensures consistent RF performance, protecting against overload while enabling multicarrier Ku-band operation.
-
Integrated 10 MHz reference
With a built-in 10 MHz reference oscillator, the BUC-Ku002-11.8 v2.0 eliminates the need for external synchronization, simplifying system integration and reducing costs.
-
WR75 PBR120 flange with N-type IF input
The model includes WR75 waveguide flange output and N-type female IF input, ensuring compatibility with standard satellite uplinks, repeaters and headend systems.
-
Spectral purity and low spurious emissions
Offering in-band spurious ≤−55 dBc and LO leakage ≤−40 dBm, this unit ensures clean signal transmission for professional broadcasting applications.
-
Lightweight and energy efficient
Weighing only 0.55 kg and consuming ≤6 W, this energy-efficient Ku-band BUC supports remote installations and mobile platforms where low power is essential.
-
IP65-rated outdoor housing
The BUC-Ku002-11.8 v2.0 is protected by an IP65 enclosure, providing resistance to dust, moisture and extreme temperatures, making it reliable for long-term outdoor operation.
⚙️ Main functions
-
L-band to Ku-band frequency upconversion
The unit converts 950-1950 MHz IF signals into 12.75-13.75 GHz Ku-band output, delivering accurate and reliable upconversion for DVB-S/S2 broadcast systems.
-
Automatic output power leveling with ALC
Its integrated Automatic Level Control maintains output stability across varying input power levels, safeguarding signal quality in multicarrier Ku-band networks.
-
Stable PLL-locked LO operation
The PLL-stabilized LO with internal 10 MHz reference ensures high frequency accuracy and phase noise performance, critical for modern 256QAM/32APSK modulation schemes.
-
Filtering and amplification for high linearity
Built-in amplification stages provide ≥45 dB gain with minimal distortion, enabling high-linearity Ku-band signal transmission for professional-grade DVB broadcasting.
-
Seamless integration in broadcasting systems
With standard flange and connector interfaces, the BUC-Ku002-11.8 v2.0 integrates easily into TV repeater stations, uplink terminals and MVDS networks.
🧩 Applications
-
VSAT and DSNG uplinks
The BUC-Ku002-11.8 v2.0 is suitable for VSAT hubs and DSNG vehicles, delivering compact and efficient uplink performance in mobile or fixed applications.
-
MVDS block upconverter deployments
This model serves as a Ku-band Block Upconverter for MVDS broadcasting systems, ensuring stable and clean transmission across multiple carriers.
-
TV repeater and headend broadcasting
Optimized for TV repeater stations and headend systems, the BUC-Ku002-11.8 v2.0 supports reliable DVB-S/S2 transmissions with superior spectral purity.
-
Mobile broadcast integration
Its compact, lightweight design allows integration into broadcast vans and mobile uplink platforms, making it ideal for live events and remote broadcasting.
-
OEM broadcasting solutions
The BUC-Ku002-11.8 v2.0 is engineered for OEM cabinet integration, enabling system builders to incorporate a professional-grade Ku-band BUC into custom setups.
-
Outdoor broadcasting in extreme climates
With its IP65 enclosure, this unit is built for desert, maritime and high-humidity environments, ensuring durability in the most demanding conditions.
💡 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-Ku002-11.8 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.
Taking into consideration that we (UMT LLC) are developer and system integrator, also do not stop on our technical growth and improvement, know that view of all our devices and equipment including their technical parameters may be different from pictures presented on website and parameters listed on each device webpage.
Note! All details customer has to confirm in advance during ordering and before payment. Those parameters that were not specified and / or were not agreed while ordering will be implemented as basic at the discretion of the manufacturer. Each our customer has 1.5 year warranty and 7 year aftersales support for whole range of our products.
Documentation





