Nisshinbo NJT8304UF

Nisshinbo NJT8304UF Ku-band 13.75 - 14.5 GHz 4W BUC 

The NJT8304UF is a compact and high-performance Ku-band 3W BUC (Block Upconverter) designed for VSAT uplink applications. It operates over 13.75–14.5 GHz (universal Ku-band) with a 12.8 GHz local oscillator, converting L-band IF signals (950–1700 MHz) to RF for reliable satellite transmission. With +36 dBm output power, stable gain, and support for external 10 MHz reference, it ensures consistent uplink performance in broadband and enterprise satellite systems. 

Key Specifications

RF Frequency: 13.75 – 14.5 GHz (Universal Ku-band)

IF Frequency: 950 – 1700 MHz

Local Oscillator: 12.8 GHz

Output Power: +36 dBm (4W) min.of P1dB

Gain: 62 dB typ., 56 dB min.

Noise Figure: 18 dB nom.,23 dB max.

External Reference: 10 MHz (optional input)

Input Interface: F-type female (75Ω)

Output Interface: WR-75 waveguide

DC Power: +12 to +30 VDC 

Mechanical & Environmental

Waveguide Output: WR-75 (grooved)

Dimensions: 98 × 98 × 42.5 mm

Weight: ~500 g

Operating Temperature: -40°C to +60°C

Waterproof: IP67 

Applications

VSAT uplink systems

Broadband satellite terminals

Enterprise and telecom networks

Remote communication systems