2145

BUC-Ku20-10.75 v2

Short description

BUC-Ku20-10.75 v2 is block up-converter with fixed output power P1dB 20 W (ALC power: 2000 mW) and LO of 10.75 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 10.75 GHz BUC-Ku20-10.75 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-Ku20-10.75 v2 has output flange of PBR120 type and can be used with regular radio-relay link (directional) or broadcast (sector and OMNI) antennas. BUC-Ku20-10.75 v2 supports all modulation types up to 32APSK and 256QAM (you may choose the modulation type while filling the “customized equipment” form). BUC-Ku20-10.75 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-Ku20-10.75 v2 is locked by PLL with internal frequency reference). BUC-Ku20-10.75 provides 11.7 – 12.7 GHz output frequency range (bandwidth in Ku-band) for 950-1950 MHz input frequency range (bandwidth in L-band).

LO: 10.75 GHz       IN: 950 – 1950 MHz       OUT: 11.7 – 12.7 GHz

KEY FEATURES:

  • Output flange: PBR120
  • Output power (P1dB, min): 20 W
  • Output frequency range: 11.7 – 12.7 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 10750 MHz
LO Phase noise:
@1 kHz -80 dBc/Hz
@10 kHz -85dBc/Hz
@100 kHz -100dBc/Hz
LO instability ± 2ppm
Output parameters:
Output frequency range 11700 – 12700 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-Ku20-10.75 v2 is a professional-grade DVB-S/S2 Ku-band Block Upconverter designed for satellite uplinks, MVDS broadcasting, DSNG vans and regional repeater stations. Featuring a fixed 10.75 GHz PLL local oscillator, this Ku-band BUC transmitter ensures frequency precision and excellent spectral performance. With 20 W output power at P1dB, integrated 10 MHz reference and support for up to 25 carriers, the BUC-Ku20-10.75 v2 delivers robust and reliable Ku-band uplink amplification.

Built with superior linearity of IMD3 ≤−37 dBc and spurious rejection of ≤−55 dBc, the BUC-Ku20-10.75 v2 ensures high-quality DVB-S/S2 transmission even in dense multicarrier systems. Its rugged IP65 enclosure, low phase noise of −85 dBc/Hz @10 kHz and compact form factor of ~2.95 kg make it a perfect Ku-band outdoor BUC for professional broadcasting projects.

Engineered for outdoor deployment

The BUC-Ku20-10.75 v2 features an IP65-rated weatherproof housing, making it resistant to dust, humidity and extreme conditions. With WR75 waveguide / PBR120 flange RF output and N-type IF input, the Ku-band satellite BUC integrates easily into broadcast infrastructures. Optional IP Control enhances system management by enabling remote diagnostics and monitoring.

With support for up to 25 carriers

As a multicarrier Ku-band BUC transmitter, the BUC-Ku20-10.75 v2 ensures reliable DVB-S/S2 operation with up to 25 carriers. Its clean spectrum with spurs ≤−55 dBc and LO leakage ≤−40 dBm, together with stable gain, makes it a robust solution for MVDS operators, broadcasters and teleports requiring interference-free uplinks.

Solid-state high-power design

The BUC-Ku20-10.75 v2 combines 20 W P1dB output power with a compact 2.95 kg profile and ≤45 W consumption. This makes the solid-state Ku-band BUC efficient, reliable and cost-effective for continuous outdoor operation in DSNG, repeater stations and medium-sized teleports.

🛠️ Whether for Ku-band BUC integration in broadcast vans, system upgrades in teleports, or Ku-band BUC for TV repeater stations, the BUC-Ku20-10.75 v2 offers performance, stability and outdoor readiness.

🛒 The BUC-Ku20-10.75 v2 is available to order now for broadcasters and system integrators requiring a high-power Ku-band Block Upconverter with long-term reliability.

📌 Key features

  • High-power Ku-band BUC with solid-state architecture

The BUC-Ku20-10.75 v2 delivers 20 W RF output for DVB-S/S2 uplinks, MVDS networks and repeater applications. Its solid-state design ensures durability and continuous-duty operation for broadcast environments.

  • Fixed 10.75 GHz PLL local oscillator with ±2 ppm stability

The BUC-Ku20-10.75 v2 uses a PLL-locked 10.75 GHz LO, ensuring accurate IF-to-Ku frequency conversion. This makes it a high-stability Ku-band BUC suitable for advanced modulation formats such as 32APSK and 256QAM.

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

The BUC-Ku20-10.75 v2 provides 20 W linear power at P1dB with a 25 dB ALC range, delivering consistent output in multicarrier DVB-S/S2 Ku-band uplinks.

  • Integrated 10 MHz reference oscillator

Built-in 10 MHz reference ensures synchronization without external sources, making the BUC-Ku20-10.75 v2 an ideal Ku-band BUC with 10 MHz reference for teleports and MVDS broadcasting.

  • Superior spectral purity and low spurious output

With in-band spurious ≤−55 dBc and LO leakage ≤−40 dBm, the BUC-Ku20-10.75 v2 operates as a high-linearity Ku-band BUC transmitter with interference-free performance.

  • Low phase noise Ku-band BUC

With phase noise of −80/−85/−100 dBc/Hz at 1/10/100 kHz, the BUC-Ku20-10.75 v2 maintains stable DVB-S/S2 signals, which is critical for high-order constellations.

  • Outdoor Ku-band BUC efficiency

The BUC-Ku20-10.75 v2 runs on 18-30 VDC, consuming ≤45 W, while its compact and rugged IP65 housing ensures deployment in harsh conditions.

⚙️ Main functions

  • Precise IF to Ku-band upconversion

The BUC-Ku20-10.75 v2 converts 950-1950 MHz IF into 11.7-12.7 GHz Ku-band RF, delivering the accuracy required in DVB-S/S2 Ku-band uplinks.

  • Automatic power control with ALC

With ALC and a 25 dB range, the BUC-Ku20-10.75 v2 maintains stable output power under varying IF input conditions, ensuring reliable Ku-band uplink operation.

  • Stable LO with PLL and 10 MHz reference

The PLL LO and integrated 10 MHz reference make the BUC-Ku20-10.75 v2 a high-stability Ku-band satellite BUC for long-term operation.

  • High linearity and low distortion

The BUC-Ku20-10.75 v2 achieves low IMD3 of ≤−37 dBc, preserving DVB-S/S2 modulation fidelity across multicarrier signals.

  • Spurious suppression and filtering

Internal RF filtering ensures that the BUC-Ku20-10.75 v2 delivers clean transmission, which is critical for MVDS and repeater deployments.

  • Seamless DVB-S/S2 integration

The BUC-Ku20-10.75 v2 integrates easily into professional broadcasting infrastructures, supporting VSAT, DSNG, MVDS and teleport uplinks.

🧩 Applications

  • VSAT and DSNG uplinks

The BUC-Ku20-10.75 v2 provides 20 W RF power for VSAT terminals and DSNG broadcast vans, ensuring reliable field uplinks.

  • MVDS broadcasting networks

As an MVDS block upconverter, the BUC-Ku20-10.75 v2 supports high-density terrestrial broadcasting with superior stability.

  • TV repeater stations

The BUC-Ku20-10.75 v2 delivers robust frequency stability and linear power for TV repeater systems, ensuring reliable DVB-S/S2 retransmission.

  • Regional teleports

With its 20 W output and spectral purity, the BUC-Ku20-10.75 v2 fits regional teleports needing medium-power Ku-band BUCs.

  • Mobile broadcast vans

The BUC-Ku20-10.75 v2 is compact, lightweight at 2.95 kg and weatherproof, making it suitable for mobile OB vans and DSNG.

  • OEM and system integration

The BUC-Ku20-10.75 v2 is designed for system integrators as a compact Ku-band BUC, fitting modular cabinets and managed infrastructures.

  • Outdoor Ku-band deployments

With IP65 housing and wide temperature support, the BUC-Ku20-10.75 v2 operates in desert, maritime and mountain environments.

  • System monitoring with optional IP Ctrl

With optional IP Control, the BUC-Ku20-10.75 v2 provides smart diagnostics and monitoring, ideal for managed networks.

💡 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-Ku20-10.75 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-Ku20-10.75 v2 is available with customized 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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