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New Japan Radio Mini NJT8318UF 8W Universal Ku-Band BUC F-type


The NJRC NJT8318UF ultra compact series 8W Ku-Band BUC is an ultra compact block upconverter that provides up to +39 dBM of Linear RF output power for use on Ku-band satcom networks (13.75 to 14.5 GHz). This compact 8W BUC offers easy installation and setup. The NJRC NJT8318UF also includes provisions for a separate AC power supply that accepts input voltages from 90V to 240 VAC. Type “F” connector RF input.

njt8318f buc outline diagram

 NJT8318U Features

  • High Temperature Operating – Operation Garantee Temperature Range: -40 to +75 degree C
  • RF Frequency – Universal Ku-band: 13.75 to 14.5 GHz
  • High Efficiency Output Power – (8W Model) P1dB: +39 dBm min. over temperature, Power Consumption: 90 W maximum, IM3: -28 dBc @ Pout <= +36 dBm
  • FSK Modulation M&C Option
  • Smallest Size & Lightest Weight- Dimension: 180 (L) x 130 (W) x 80 (H) mm, Weight: 2.4 kg

Outline Dimensions

njrc njt8318f 8W BUC dimensions


NJT8318UFMK Specifications
RF Frequency 13.75 to 14.50 GHz
LO Frequency 12.80 GHz
Output Power @ P1dB 8W Linear (+39 dBm min.)
IF Connector Type F female
Voltage Input Port MS Connector
FSK Communication M&C
Linear Gain 65 dB nom., 59 dB min.
Gain Variation over frequency 5 dBp-p max. over 750 MHz / 2 dBp-p max. over 36 MHz
Gain Stability over temperature 2 dBp-p typ., 5 dBp-p max.
IM3 -28 dBc typ., -24 dBc max. @ total power ≤Pout – 3dB
ACPR -28 dBc typ. @ Pout ≤Pout – 1dB
L.O. Phase Noise -60 dBc/Hz max. @ 100 Hz
-70 dBc/Hz max. @ 1 kHz
-80 dBc/Hz max. @ 10 kHz
-90 dBc/Hz max. @ 100 kHz
-100 dBc/Hz max. @ 1 MHz
Input V.S.W.R. 2 : 1 max.
Output V.S.W.R. 2 : 1 max.
DC Power Requirement
(1) Voltage Range
(2) Power Consumption
@ No IF Signal
@ P1dB
+18 to +60 VDC

65 W typ.
90 W. max.MuteShut off the HPA in case of L.O. unlocked or no 10 MHz reference signalLED IndicatorGREEN: L.O. locked / RED: L.O. unlocked (or no 10 MHz reference signal)M&C FunctionFSK Modulation M&C: Power Monitor / TX On/Off Control / Alarm … etcTemperature Range (ambient)

Storage-40 to +75 C (Operation Guarantee)
-40 to +55 C (Performance Guarantee)
-40 to +75 CDimension & Housing180 (L) x 130 (W) x 80 (H) mm [7.09” (L) x 5.12” (W) x 3.15” (H)] without interface connector and screwsWeight2.4 kg max. [5.3 lbs max.]

 New Japan Radio Mini NJT8318UF 8W Universal Datasheet

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