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IM-T8304 Rev.01
Instruction Manual
for
Ku-band 4W BUC
[NJT8304 series]
Document Part Number: IM-T8304
Revision: 01
Issue Date: March 27, 2017
Copyright © 2017, New Japan Radio Co., Ltd. All rights reserved.
This instruction manual may not be reproduced, in part or in whole,
without the permission of New Japan Radio Co., Ltd.
The specifications and information regarding the products in this
instruction manual are subject to change without notice.
All statements, information, and recommendations in this
instruction manual are believed to be accurate but are presented
without warranty of any kind, express, or implied.
Users must take full responsibility for their application of any
products.
NJT8306 series Instruction Manual
Page 1
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Summary of Contents for JRC NJT8304 Series
- Page 1 IM-T8304 Rev.01 Instruction Manual Ku-band 4W BUC [NJT8304 series] Document Part Number: IM-T8304 Revision: 01 Issue Date: March 27, 2017 Copyright © 2017, New Japan Radio Co., Ltd. All rights reserved. This instruction manual may not be reproduced, in part or in whole, without the permission of New Japan Radio Co., Ltd.
- Page 2 IM-T8304 Rev.01 General Caution NJRC strives to produce reliable and high quality microwave components. NJRC's microwave components are intended for specific applications and require proper maintenance and handling. To enhance the performance and service of NJRC's microwave components, the devices, machinery or equipment into which they are integrated should undergo preventative maintenance and inspection at regularly scheduled intervals.
- Page 3 IM-T8304 Rev.01 General Caution (continued) NJRC's products have been designed and tested to function within controlled environmental conditions. Do not use products under conditions that deviate from methods or applications specified in the catalog and specification sheets. Failure to employ NJRC's products in the proper applications can lead to deterioration, destruction or failure of the products.
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Page 4: Table Of Contents
IM-T8304 Rev.01 About This Instruction Manual This instruction manual describes Standard / Universal Ku-band 4W BUC (Model No.: NJT8304N, NJT8304F, NJT8304UN, and NJT8304UF) herein referred to as "the Unit". This instruction manual provides information and instructions for installation and operation of the Unit. This instruction manual is intended for use by trained field installers or system engineers responsible for satellite networks. -
Page 5: Introduction
IM-T8304 Rev.01 1. Introduction This instruction manual is for Standard / Universal Ku-band 4W BUC (Model No.: NJT8304N, NJT8304F, NJT8304UN, and NJT8304UF). The Unit receives a reference signal (10 MHz) and an IF signal (L‐Band: 950 to 1,450 MHz or 950 to 1,700 MHz) input and transmits an RF signal (Ku‐Band: 14.0 to 14.5 GHz or 13.75 to 14.5 GHz) output. -
Page 6: Safety Instructions
IM-T8304 Rev.01 2. Safety Instructions Use the following safety guidelines to help protect the Unit from potential damage and to help ensure your own personal safety. DANGER, WARNING, CAUTION, and NOTE Statements DANGER, WARNING, CAUTION, and NOTE statements are used throughout this instruction manual to emphasize important and critical information. - Page 7 IM-T8304 Rev.01 Symbol Description GENERIC HAZARD ELECTRIC HAZARD HOT SURFACE When installing the Unit, observe the following safety guidelines. 2.1. Safety Statements 1. Opening / Removing DO NOT dismantle this product. Dismantlement may cause malfunction and electric shock. 2. Input Voltage Only input a voltage within the range indicated in specified voltage.
- Page 8 IM-T8304 Rev.01 4. High Temperatures DO NOT touch the body, especially fins, during operating the Unit. High touch temperatures may exist, depending on load conditions. 5. Input Level DO NOT input an IF signal over the range of +13 dBm maximum and a reference signal within the range of -5 to +5 dBm.
- Page 9 IM-T8304 Rev.01 3. Waveguide DO NOT remove the sealing tape on the waveguide. If the sealing tape is removed, it may lose the performance of waterproof. 4. Connecter Connect the IF cable to the input connector of both N and F- type with 0.68 to 1.13 N·m torque.
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Page 10: Packing List
IM-T8304 Rev.01 3. Packing List The Unit is shipped in a single shipping container with the following content: Description 1 unit Ku-band 4W BUC NJT8304N NJT8304F NJT8304UN NJT8304UF 1 set Accessory of BUC Qty(4), Hexagon Socket Head Bolt (M4x10) Qty(1), Hexagon Wrench Key (M4) Qty(1), Cross-recessed Head Screw (M4x6) Qty(1), O-ring 1 sheet... -
Page 11: Overview
IM-T8304 Rev.01 4. Overview The Unit transmits an RF signal (Ku‐Band: 14.0 to 14.5 GHz or 13.75 to 14.5 GHz) output with up to 4W (+36.0 dBm) linear. The unique features are * High Efficiency Output Power P1dB: +36.0 dBm min. over temperature ACPR: -26 dBc max. -
Page 12: Physical Description
IM-T8304 Rev.01 5. Physical Description This section describes appearance and outline for the Unit. 5.1. Appearance Overall Picture (Model No. NJT8304UF) NJT8306 series Instruction Manual Page 12... - Page 13 IM-T8304 Rev.01 5.2. Outline 5.2.1. Outline Drawing of NJT8304N / NJT8304UN Caution: DO NOT remove the sealing tape on the waveguide. If the sealing tape is removed, it may lose the performance of waterproof. NJT8306 series Instruction Manual Page 13...
- Page 14 IM-T8304 Rev.01 5.2.2. Outline Drawing of NJT8304F / NJT8304UF Caution: DO NOT remove the sealing tape on the waveguide. If the sealing tape is removed, it may lose the performance of waterproof. NJT8306 series Instruction Manual Page 14...
- Page 15 IM-T8304 Rev.01 5.3. Description of Connectors, Switches, and LEDs Item Description Purpose N-type IF / Reference The Unit receives an IF signal (950 to Input 1,450 MHz or 950 to 1,700 MHz) and a F-type reference signal (10 MHz) and is Female DC Power Input required to supply +12 to +30 V DC...
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Page 16: Installing
IM-T8304 Rev.01 6. Installing This section describes basic installation for the Unit. 6.1. Mounting Configuration The Unit can be mounted in the feed horn of the satellite antenna. 6.1.1. Guidelines for Attachment of OMT When attaching the OMT or the filter, you should follow the following steps: Step 1: Verify that the o-ring groove on the... - Page 17 IM-T8304 Rev.01 6.2. Connecting System The Unit is connected a coaxial cable and ground wire. 6.2.1. Connecting Coaxial Cable The Unit receives an IF signal and a reference signal via coaxial cable from modem, and is required to supply +12 to +30 V DC power via coaxial cable from modem.
- Page 18 IM-T8304 Rev.01 6.2.2. Fixing Ground Wire The Unit should be common with ground of other equipment (e.g. antenna). Fixing a ground wire from the common ground of other equipment for grounding is proceed with the following step: Step 1: Fix the ground wire from other equipment to the ground hole near the coaxial connector with enclosed on the Unit.
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Page 19: Specification
IM-T8304 Rev.01 7. Specification The Unit is in compliance with the following specifications: 7.1. Electrical Specifications Item Specifications Output Frequency Range <Universal Ku-band> 13.75 to 14.5 GHz <Standard Ku-band> 14.0 to 14.5 GHz Input Frequency Range <Universal Ku-band> 950 to 1,700 MHz <Standard Ku-band>... -
Page 20: Specification
IM-T8304 Rev.01 Item Specifications DC Power Requirement [Voltage Range] +24 VDC (+12 to +30 VDC) [Power Consumption] 20 W typ. @ No IF signal 28 W typ., 32 W max. @ Pout = +36.0 dBm 2 W max. @ 10 MHz ref. off (Mute on) Mute Shut off the HPA in case of L.O.