Industry-Verified Manufacturing Data (2026)

Block Upconverter (BUC)

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Block Upconverter (BUC) used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Block Upconverter (BUC) is characterized by the integration of Local Oscillator and Mixer. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A microwave transmitter component that converts intermediate frequency signals to higher frequency bands for satellite uplink transmission.

Product Specifications

Technical details and manufacturing context for Block Upconverter (BUC)

Definition
A Block Upconverter (BUC) is a critical component in satellite communication systems that converts intermediate frequency (IF) signals (typically in L-band) to higher radio frequency (RF) bands (such as C-band, Ku-band, or Ka-band) for transmission to satellites. It amplifies and conditions the signal before sending it to the satellite dish antenna for uplink.
Working Principle
The BUC receives an intermediate frequency signal from a modem or satellite modem, mixes it with a local oscillator signal to upconvert it to the desired RF frequency, amplifies the signal using power amplifiers (typically solid-state or traveling-wave tube amplifiers), and outputs the high-power RF signal to the feed horn of a satellite antenna.
Common Materials
Aluminum housing, Copper waveguide components, Semiconductor devices (GaAs/GaN transistors), Ceramic substrates, Thermal interface materials
Technical Parameters
  • Output power level typically ranging from 2W to 400W depending on application (dBm) Per Request
Components / BOM
  • Local Oscillator
    Generates stable reference frequency for upconversion
    Material: Quartz crystal, semiconductor components
  • Mixer
    Combines input IF signal with LO signal to produce RF output
    Material: Semiconductor diodes, GaAs substrates
  • Power Amplifier
    Amplifies the upconverted RF signal to required power level
    Material: GaAs/GaN transistors, copper heat sinks
  • Filter
    Removes unwanted harmonics and spurious signals
    Material: Copper, aluminum, dielectric materials
  • Thermal Management System
    Dissipates heat generated by power amplifiers
    Material: Aluminum fins, heat pipes, thermal paste

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Block Upconverter (BUC).

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Factories Producing Block Upconverter (BUC)

Verified manufacturers with capability to produce this product in China

✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Feb 12, 2026
★★★★★
"Found 30+ suppliers for Block Upconverter (BUC) on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 09, 2026
★★★★☆
"The technical documentation for this Block Upconverter (BUC) is very thorough, especially regarding technical reliability. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Feb 06, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Block Upconverter (BUC) so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

13 sourcing managers are analyzing this specification now. Last inquiry for Block Upconverter (BUC) from UAE (38m ago).

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Frequently Asked Questions

What is Block Upconverter (BUC)?

In the Computer, Electronic and Optical Product Manufacturing sector, Block Upconverter (BUC) refers to A microwave transmitter component that converts intermediate frequency signals to higher frequency bands for satellite uplink transmission..

Which factories produce Block Upconverter (BUC) in China?

CNFX has identified 41 professional manufacturers for Block Upconverter (BUC).

What materials are used in Block Upconverter (BUC)?

Manufacturers use Aluminum housing, Copper waveguide components to meet Computer, Electronic and Optical Product Manufacturing specs.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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