EW
Radar
Test and Measurement
Communication
High Frequency Stability RF Block Up-Converter MBUC1425S56A
Product introduction
The RF block up-converter(BUC) plays a crucial role in the satellite communication system and radar system. Its main function is to convert the input Radio Frequency (RF) signal into an RF signal of a higher frequency, typically in the frequencies of the Ka band, Ku band, or C band.
Mars RF’s block up-converter MBUC1425S56A features a core advantage of 400W ultra-high power, which is specifically designed for highly reliable satellite communication.
Its phase noise performance (-75dBc /Hz @1kHz) is outstanding, ensuring the integrity of high-order modulated signals. It can achieve precise gain control and work well in the Ku band frequency range. The wide-range gain of this BUC is 20dB which can deal with rain attenuation and distance changes. The 0.5dB step is beneficial for precise control and improving system reliability.
This compact and light weight unit is suitable for integration into space-constrained platforms while maintaining robust performance in harsh environments. With a wide operating temperature range, from -40°C to +60°C, and humidity tolerance up to 100%, it is perfectly suited for deployment in both fixed and mobile installations.
Key Features
• Integrated BUC for Best Performance & Reliability
• Monitoring & Controlling through RS485 (Optional Ethernet)
• Tricolour LED Status Indicator to Identify BUC Status Instantly
FAQ
1. How Does a Block Up-Converter Work?
A Block Up-Converter (BUC) is essential in satellite communication systems. Its main role is to convert and amplify lower-frequency signals into higher-frequency RF signals suitable for satellite transmission.
The process involves two key stages:
1.) Frequency Conversion – The input signal (typically an Intermediate Frequency, or IF) is mixed with a local oscillator (LO) signal. This mixing process generates a new signal at a higher frequency—typically in the Ku band, Ka band, or C band—suitable for satellite uplink transmission.
2.) Amplification – After up conversion, the signal is passed through a power amplifier to increase its strength to the required transmission level.
By combining frequency conversion and amplification in a single unit, a BUC simplifies the system architecture and enhances reliability, making it indispensable for modern satellite communication networks.
2.How to Select the Right BUC for Satellite Uplink?
A: Choosing the optimal Block Up-Converter (BUC) requires matching 5 critical parameters to your system.
1. Calculate Required Power;
2. Spectral Purity for High-Order Modulations;
3. Frequency Stability;
4. Environmental Resilience;
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Model No.
Data Sheet
Start(MHz)
Stop(MHz)
Pout(Watts)
Gain(dB)
Voltage(V)
Mode
Size(mm)
Quote
Start:1.5
Stop:30
Pout:200
Gain:53
Size:200x150x30