2141

BUC-Ku20-11.8 v2

Short description

BUC-Ku20-11.8 v2 is block up-converter with fixed output power P1dB 20 W (ALC power: 2000 mW) and LO of 11.8 GHz.

Our BUC operates with up to 25 carriers and has built-in reference of 10 MHz;

and ALC with 25 dB range;

IP Ctrl (by order) 

+ LED status indication at the rear side.

- +
  • Description
  • Downloads

20 W Ku-band block up-converter with LO of 11.8 GHz BUC-Ku20-11.8 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-Ku20-11.8 v2 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku20-11.8 v2 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku20-11.8 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-Ku20-11.8 is locked by PLL with internal frequency reference). BUC-Ku20-11.8 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): 20 W
  • Output frequency range: 12.75 – 13.75 GHz
  • Input frequency range: 950 – 1950 MHz
  • Gain (min): 63 dB
  • Highly stable internal frequency reference
  • LO is locked by PLL with internal frequency reference
  • IMD3 level at ALC output power (the lowest value): -37 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 rage, min 25 dB
ALC threshold level -30 dBm
Local Oscilator:
LO frequency 11800 MHz
LO Phase noise:
@1 kHz -80 dBc/Hz
@10 kHz -85 dBc/Hz
@100 kHz -100 dBc/Hz
LO instability ± 2 ppm
Output parameters:
Output frequency range 12750 – 13750 MHz
Output Power @P1dB 20 W
ALC Output Power 2000 mW
Gain, min 63 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 VDC – 30 VDC, nominal 24 VDC
Power consumption, max 45 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) 143x92x225 mm
Weight 2.95 kg

 

BUC-Ku20-11.8 v2 is a 20 W Ku-band Block Upconverter designed for DVB-S/S2 broadcasting, satellite uplinks, repeater stations and MVDS networks. With its fixed 11.8 GHz PLL local oscillator, integrated 10 MHz reference and outstanding spectral performance, the BUC-Ku20-11.8 v2 ensures stable Ku-band transmissions. Offering 20 W output power, ≥63 dB gain and 25 dB ALC range, this Ku-band BUC transmitter is engineered for reliable DVB-S/S2 uplink integration.

Built with low IMD3 (≤−37 dBc), clean spectrum (spurs ≤−55 dBc) and low phase noise (−85 dBc/Hz @10 kHz), the BUC-Ku20-11.8 v2 is a high-linearity Ku-band BUC for demanding DVB-S/S2 and MVDS broadcasting systems. Its compact IP65-protected housing, ≤45 W consumption and 2.95 kg weight make it a rugged, efficient solution for professional Ku-band transmission environments.

Engineered for outdoor deployment

The BUC-Ku20-11.8 v2 is enclosed in a rugged IP65 housing, protecting it against dust, rain and temperature fluctuations. Outfitted with a WR75 waveguide/PBR120 flange RF output and N-type IF input, this Ku-band outdoor BUC is designed for long-term outdoor operation in satellite and broadcasting infrastructures.

With support for up to 25 carriers

As a multicarrier Ku-band BUC transmitter, the BUC-Ku20-11.8 v2 handles up to 25 carriers with high linearity, making it suitable for professional DVB-S/S2 uplinks. Its spectral purity and low LO leakage ensure reliable performance in multi-carrier MVDS and repeater networks.

Solid-state high-power design

Delivering 20 W output power, the BUC-Ku20-11.8 v2 combines high performance with compact size and energy efficiency. Its solid-state architecture ensures reliability, while ≤45 W consumption and lightweight build allow easy integration into DSNG vans, repeater stations and regional teleports.

🛠️ Whether for Ku-band BUC integration in teleports, DSNG trucks, or MVDS broadcasting systems, the BUC-Ku20-11.8 v2 is a proven solution offering high efficiency, frequency stability and professional reliability.

🛒 The BUC-Ku20-11.8 v2 is available to order now and ready to be deployed into any DVB-S/S2 Ku-band uplink system requiring high power, stability and compact outdoor-ready construction.

📌 Key features

  • High-power Ku-band BUC-Ku20-11.8 v2 with solid-state architecture

The BUC-Ku20-11.8 v2 provides 20 W output at P1dB, ensuring strong RF amplification for DVB-S/S2 uplinks, repeater applications and MVDS networks. Its solid-state design ensures continuous, reliable operation.

  • Fixed 11.8 GHz PLL local oscillator with ±2 ppm stability

The BUC-Ku20-11.8 v2 integrates a PLL-locked 11.8 GHz LO, ensuring precise IF-to-Ku conversion and long-term frequency stability. This makes it a high-stability Ku-band BUC transmitter for DVB-S/S2 systems.

  • 20 W output with ALC control (25 dB range)

Equipped with 25 dB ALC range, the BUC-Ku20-11.8 v2 automatically regulates its 20 W output, delivering consistent signals across DVB-S/S2 networks.

  • Built-in 10 MHz reference

The BUC-Ku20-11.8 v2 includes a built-in 10 MHz reference oscillator, eliminating external synchronization needs and simplifying professional Ku-band BUC integration.

  • WR75 PBR120 flange and N-type IF input

With standard WR75 flange and N-type IF interface, the BUC-Ku20-11.8 v2 is easy to integrate into existing DVB-S/S2 uplink infrastructures.

  • Superior linearity and spectral purity

The BUC-Ku20-11.8 v2 maintains clean output with IMD3 ≤−37 dBc and spurs ≤−55 dBc, positioning it as a high-linearity Ku-band BUC for multi-carrier environments.

  • Low phase noise Ku-band BUC

The BUC-Ku20-11.8 v2 achieves −80/−85/−100 dBc/Hz phase noise (@1/10/100 kHz), ensuring high performance with 32APSK/256QAM modulation.

  • Efficient and outdoor-ready

With ≤45 W power consumption, 2.95 kg weight and IP65 housing, the BUC-Ku20-11.8 v2 is compact, efficient and durable for harsh environments.

⚙️ Main functions

  • Precise IF-to-Ku upconversion

The BUC-Ku20-11.8 v2 converts 950-1950 MHz inputs into 12.75-13.75 GHz outputs, ensuring seamless DVB-S/S2 operation.

  • Automatic power regulation (20 W class)

With integrated ALC, the BUC-Ku20-11.8 v2 stabilizes output power, delivering consistent Ku-band uplinks even under varying input conditions.

  • Stable PLL LO with 10 MHz reference

The PLL-locked 11.8 GHz LO and 10 MHz reference provide long-term frequency stability for Ku-band satellite BUC deployments.

  • High-linearity amplification

The BUC-Ku20-11.8 v2 minimizes distortion, preserving modulation quality for high-order DVB-S/S2 signals.

  • Filtering and spurious suppression

Internal RF filtering allows the BUC-Ku20-11.8 v2 to deliver clean signals, critical for DVB-S/S2 broadcast networks.

  • Seamless DVB-S/S2 integration

The BUC-Ku20-11.8 v2 fits naturally into DVB-S/S2 infrastructures, supporting teleports, MVDS headends and repeater systems.

🧩 Applications

  • VSAT and DSNG uplinks

The BUC-Ku20-11.8 v2 is a 20 W Ku-band BUC for VSAT terminals and DSNG broadcast vans, ensuring stable field uplinks.

  • MVDS broadcasting

As a MVDS block upconverter, the BUC-Ku20-11.8 v2 supports high-density video distribution with linear and stable Ku-band transmission.

  • TV repeater stations

The BUC-Ku20-11.8 v2 is a trusted Ku-band BUC for TV repeater applications, providing strong, interference-free retransmission.

  • Regional teleports

With 20 W power and superior spectral purity, the BUC-Ku20-11.8 v2 is suitable for medium teleports needing reliable uplink power.

  • OB vans and field broadcasting

The BUC-Ku20-11.8 v2 is lightweight, rugged and IP65-protected, making it a reliable choice for mobile OB vans.

  • OEM and system integration

Compact and efficient, the BUC-Ku20-11.8 v2 can be built into OEM cabinets as part of modular RF systems.

  • Harsh outdoor deployments

With −40℃ to +50℃ operating range, the BUC-Ku20-11.8 v2 is suitable for deserts, maritime uplinks and mountain installations.

  • Smart integration with IP Ctrl

Optional IP Control and LED indication make the BUC-Ku20-11.8 v2 a smart, managed Ku-band satellite BUC.

💡 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-Ku20-11.8 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-Ku20-11.8 v2 is available to customize its parameters by order.

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.

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