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As satellite communication networks continue to support increasingly demanding applications—including high-throughput broadband, military communications, broadcast contribution, teleport operations, cellular backhaul, and maritime connectivity—the need for reliable, high-power RF transmission equipment has never been greater. One of the most critical components in any satellite uplink system is the Block Up Converter (BUC), responsible for converting Intermediate Frequency (IF) signals into high-frequency RF signals while providing the amplification necessary for satellite transmission.
The TerraSat IBUC R C-Band Series is designed specifically for high-power, multi-carrier satellite communication applications. Built around advanced GaAs Solid-State Power Amplifier (SSPA) technology, the IBUC R combines exceptional RF performance, intelligent monitoring and control, integrated diagnostics, Automatic Gain Control (AGC), and optional cyber-hardened security features into a rugged outdoor platform capable of supporting the most demanding satellite networks.
Available in output power configurations ranging from 100W to 400W, the TerraSat IBUC R is engineered to maximize carrier linearity, reduce amplifier back-off requirements, simplify installation, and improve operational efficiency. According to the official TerraSat datasheet, the IBUC R delivers output powers from +50 dBm to +56 dBm, supports multiple C-Band frequency plans, offers Ethernet, SNMP, HTTP, Telnet, and RS232/485 management, and is backed by a 3-year warranty.
Available through VSATplus, the TerraSat IBUC R C-Band Series provides professional satellite operators with one of the industry’s most advanced and reliable high-power BUC solutions.
The TerraSat IBUC R is an Integrated Intelligent Block Up Converter (IBUC) designed for mid-to-high-power multi-carrier applications.
Unlike conventional BUCs that simply amplify RF signals, the IBUC R incorporates intelligent processing, extensive diagnostics, web-based management, embedded monitoring sensors, and advanced amplifier protection into a single outdoor unit. This integrated approach reduces installation complexity while improving long-term reliability and network visibility.
According to TerraSat, every IBUC R incorporates cutting-edge intelligent technology that provides:
These capabilities help satellite operators achieve maximum link performance while minimizing maintenance requirements.
The TerraSat IBUC R C-Band family is available in several output power levels.
| Model | Minimum P1dB Output Power |
|---|---|
| 100W | +50 dBm |
| 125W | +51 dBm |
| 150W | +51.8 dBm |
| 175W | +52.4 dBm |
| 200W | +53 dBm |
| 400W | +56 dBm |
Output power in Bands 4 and 5 is reduced by approximately 0.5 dB.
This broad range enables operators to optimize uplink power for enterprise, teleport, government, broadcast, and defense applications.
One of the defining characteristics of the IBUC R is its optimization for multi-carrier satellite transmission.
The integrated GaAs SSPA technology provides:
According to TerraSat, these characteristics make the IBUC R particularly suitable for terminals transmitting multiple carriers simultaneously.
The TerraSat IBUC R includes numerous advanced capabilities.
The IBUC R supports multiple international C-Band frequency plans.
| Band | RF Frequency | IF Frequency (Inverting) | IF Frequency (Non-Inverting) |
|---|---|---|---|
| Standard C | 5850–6425 MHz | 950–1525 MHz | 950–1525 MHz |
| Palapa | 6425–6725 MHz | 975–1275 MHz | 1125–1425 MHz |
| INSAT | 6725–7025 MHz | 1150–1450 MHz | 965–1265 MHz |
| Extended C | 5850–6650 MHz | 950–1750 MHz | 950–1750 MHz |
| Full C | 5850–6725 MHz | 975–1850 MHz | 950–1825 MHz |
This flexibility enables deployment across a wide range of satellite systems worldwide.
The IBUC R supports multiple LO configurations.
| Band | Inverting LO | Non-Inverting LO |
|---|---|---|
| Band 1 | 7375 MHz | 4900 MHz |
| Band 2 | 7700 MHz | 5300 MHz |
| Band 3 | 8175 MHz | 5760 MHz |
| Band 4 | 7600 MHz | 4900 MHz |
| Band 5 | 7700 MHz | 4900 MHz |
The IBUC R offers substantial RF gain to support long IF cable runs.
| Model | Minimum Gain |
|---|---|
| 100W | 81 dB |
| 125W | 82 dB |
| 150W | 83 dB |
| 175W | 83 dB |
| 200W | 84 dB |
| 400W | 82 dB |
| Model | Minimum Gain |
|---|---|
| 100W | 70 dB |
| 125W | 71 dB |
| 150W | 72 dB |
| 175W | 72 dB |
| 200W | 73 dB |
| 400W | 76 dB |
The integrated digital attenuator provides:
| Specification | Value |
|---|---|
| Attenuation Range | 30 dB |
| Resolution | 0.1 dB Steps |
This enables engineers to optimize output power with exceptional precision.
Uniform gain across the operating band improves carrier quality.
| Measurement | Specification |
|---|---|
| Full Band | 4 dB p-p Max |
| 36 MHz | 1.5 dB p-p Max |
| 1 MHz | 0.25 dB p-p Max |
The IBUC R supports selectable AGC/ALC operation.
Gain stability:
| Mode | Specification |
|---|---|
| Open Loop | 3–4 dB p-p |
| With AGC | 1 dB p-p |
This improves carrier stability during temperature variations.
Outstanding RF performance is a key advantage of the IBUC R.
| Parameter | Specification |
|---|---|
| Output VSWR | 1.3:1 Max |
| IMD3 | -26 dBc Max (100W–200W) |
| IMD3 (400W) | -25 dBc Max |
| Level Stability | ±0.5 dB |
| Harmonics | -50 dBc Max |
| In-Band Spurious | -70 dBc |
| TX Noise Density | < -74 dBm/Hz |
| RX Noise Density | < -145 dBm/Hz |
Low phase noise supports high-order modulation and multi-carrier performance.
| Offset | Phase Noise |
|---|---|
| 10 Hz | -54 dBc/Hz |
| 100 Hz | -79 dBc/Hz |
| 1 kHz | -89 dBc/Hz |
| 10 kHz | -94 dBc/Hz |
| 100 kHz | -100 dBc/Hz |
| 1 MHz | -110 dBc/Hz |
One of the strongest features of the IBUC R is its advanced monitoring platform.
The embedded management platform also includes:
For government and defense applications, TerraSat offers a Cyber Hardened version.
Additional security features include:
The IBUC R supports both AC and DC operation.
| Voltage | Specification |
|---|---|
| Input | 42–60 VDC |
| Model | Input Voltage |
|---|---|
| 100W–125W | 100–240 VAC |
| 150W–400W | 200–240 VAC |
| Model | DC | AC |
|---|---|---|
| 100W | 700 W | 800 VA |
| 125W | 800 W | 900 VA |
| 150W | 1056 W | 1200 VA |
| 175W | 1100 W | 1250 VA |
| 200W | 1150 W | 1300 VA |
| 400W | — | 2350 VA |
The IBUC R is designed for demanding outdoor deployments.
| Parameter | Specification |
|---|---|
| Operating Temperature | -40°C to +55°C |
| Relative Humidity | 100% Condensing |
| Maximum Altitude | 3,000 m (10,000 ft) |
These specifications make the product suitable for harsh desert, tropical, coastal, and high-altitude installations.
| Model | Dimensions | Weight |
|---|---|---|
| 100W–200W (DC) | 411 × 254 × 188 mm | 14.5 kg |
| 100W–200W (AC) | 411 × 254 × 193 mm | 14.9 kg |
| 400W (AC) | 737 × 381 × 257 mm | 37.6 kg |
The TerraSat IBUC R supports numerous optional configurations.
Available options include:
The TerraSat IBUC R is ideally suited for:
VSATplus is a trusted supplier of professional satellite communication equipment, serving enterprise, government, defense, broadcast, maritime, and telecom customers worldwide.
When purchasing the TerraSat IBUC R C-Band Series from VSATplus, customers receive:
Whether you’re expanding a teleport, upgrading a VSAT hub, or deploying a high-power multi-carrier uplink system, VSATplus can help you choose the ideal TerraSat IBUC R configuration for your project.
The TerraSat IBUC R C-Band Series (100W–400W) is a premium intelligent Block Up Converter designed for demanding, high-power satellite communication environments. By combining advanced GaAs amplifier technology, outstanding RF linearity, intelligent monitoring and diagnostics, flexible management interfaces, and optional cyber-hardened security, it provides a powerful and reliable solution for modern multi-carrier uplink applications.
With multiple output power options, broad C-band frequency support, precision gain control, and rugged outdoor construction, the TerraSat IBUC R is an excellent choice for teleports, government agencies, broadcasters, maritime operators, and enterprise satellite networks requiring dependable, high-performance RF transmission.
Available now through VSATplus, the TerraSat IBUC R delivers the performance, reliability, and intelligent management capabilities required for mission-critical satellite communications worldwide.
