Nisshinbo NJT8103F

Nisshinbo NJT8103F Standard C-band 3W mini-BUC

The NJT8103F is a compact and high-performance C-band 3W BUC (Block Upconverter) designed for VSAT uplink applications. It operates over 5.85–6.425 GHz (full C-band) with a 4.9 GHz local oscillator, converting L-band IF signals (950–1525 MHz) to RF for reliable satellite transmission. With P1dB output power +34.5 dBm, stable gain, and support for external 10 MHz reference, it ensures consistent uplink performance in broadband and enterprise satellite systems. 

Key Specifications

RF Frequency: 5.85 – 6.425 GHz (Standard C-band)

IF Frequency: 950 – 1525 MHz

Local Oscillator: 4.9 GHz

P1dB Output Power: +34.5 dBm min. over temperature (@ 1dB G.C.P.) 

ACPR: -26 dBc typ. @ Pout = +34.5 dBm  

Linear Gain : 59 dB nom., 53 dB min.

IF Input Interface: F-type female (75Ω)

RF Output Interface: Waveguide, CPR137 (with Groove) 

Input Power Voltage Requirement : +24 VDC (+12 to +30 VDC) 

Mechanical & Environmental

Waveguide Output: CPR137 (with Groove) 

Dimensions: 135.4 × 85 × 56 mm

Weight: 800g

Operating Temperature: -40°C to +60°C

Waterproof: IP67 

Applications

VSAT uplink systems

Broadband satellite terminals

Enterprise and telecom networks

Remote communication systems