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BARRETT 4075 LINEAR AMPLIFIER - OPERATING & INSTALLATION MANUAL

Mechanical

Specification

Description

Dimensions excluding

handles and I/O con-

nectors

178 x 482 x 480 mm (7” x 19” x 19” ) – H x W x D

Rack Height

4U, 19” Rack mount

Weight

30 kg (66 lbs)

Cooling

Liquid cooled, Water Propylene Glycol mixture

Colour

Black

Environmental

Specification

Description

Temperature

10°C to +50°C operational, -40°C to +85°C storage

Humidity

95% relative, non-condensing

Altitude

3000 m above sea level (not airborne),

9000 m transportation

Vibration

Designed to meet MIL-STD-810G Method 514.5

Shock

Designed to meet MIL-STD-810G Method 516.6

EMI/EMC

Designed to meet MIL-STD-461F

FCC

Pending approval

Controls and Indicators

Specification

Description

Switches and controls

7 Key keypad – ON/OFF, and menu navigation

Graphic display

Dot matrix OLED display

Metering

Output VSWR, Supply Voltage and Supply Current

Indicators (LEDs)

Power, Tx, Alarm, Log

Содержание 4075

Страница 1: ...tt Communications Pty Ltd 47 Discovery Drive Bibra Lake WA 6163 Australia Tel 61 8 9434 1700 Fax 61 8 9418 6757 Email information barrettcommunications com au www barrettcommunications com au Operating and Installation Manual Barrett 4075 Linear Amplifier ...

Страница 2: ... 8 Switching the Linear Amplifier Off 8 Error States 9 Display 10 Main Menu 10 Configuration Menu 10 1 Exciter 11 2 ATU 11 3 AUX 11 4 Optical 11 5 Network 11 6 Language 12 7 Other 12 8 Factory Reset 13 Diagnostics Menu 14 1 Clear Critical Error 16 2 Filter Control Menu 16 3 Attenuation Control 17 4 Power Relay Control 18 5 Power Supply Control 18 6 Pallet 0 Control 19 7 Pallet 1 Control 20 8 Fan C...

Страница 3: ...Setup 27 4075 System Connections 28 4075 Connections Rear View 29 System Description 31 In Standby Receive Mode No PTT 31 In Transmit Mode PTT Active 31 Operation Settings 32 Factory Settings 32 System Settings 32 Maintenance 33 4075 Specifications 34 General 34 Mechanical 35 Environmental 35 Controls and Indicators 35 Connectors Front 36 Connectors Rear 36 Protection 36 Limited 3 Year Warranty St...

Страница 4: ...W above 20 MHz The ALC voltage for the exciter is derived at the Linear Amplifier s output and is passed to the exciter via the Breakout Box The Barrett 4075 Power Supply Unit provides the 48 volts required to power the amplifier Terms and Abbreviations Term Abbreviation Definition BoB Breakout Box CW Continuous Wave used for Morse code dB Decibels dBc Decibels relative to the carrier is the power...

Страница 5: ...n the unit is powered on TX LED illuminates amber when the unit is transmitting PTT on OLED screen FLT LED illuminates red when the unit identifies a fault LOG LED illuminates blue when logging the fault history Grill and filter for the fans LEDs to indicate transmit amber and receive green USB socket for programming and diagnostics Keypad ...

Страница 6: ...gned to them depending on when the key is pressed and for how long the key is pressed Key functions are listed below followed by a description of their functions Key Function Channel Up Scroll up Channel Down Scroll down Scroll left Scroll right Key Function ENT Enter Set a menu item PWR On Off button ESC Escape Back one step Rear Panel 14 15 ...

Страница 7: ... In 12 V Power Supply from 4022 2050 interface 4050 Breakout Box Interface Auxiliary input Used if other equipment is far away Alarms etc USB Interface Used for programming and diagnostics Ethernet network interface Optic Fibre ATU Interface Control connector for Power Supply 14 Drain Plug 15 Earth connection ...

Страница 8: ...RRETT 4075 LINEAR AMPLIFIER After two seconds the default screen displays showing various values Current 1 19 A Voltage 49 V Last VSWR 0 00 Use the scroll keys and to display more values Press ESC to display the Main Menu Freq 0 00 Cur0 1 12 A Band 7 Cur1 0 12 A Out PWR 0 W Pal0T N A ATTEN 10 dB Pal1T 32 2 C Switching the Linear Amplifier Off Momentarily press PWR for five seconds to switch the un...

Страница 9: ...alarm and a flashing red LED This flashing message will con tinue until the fault condition clears or a key is pressed on the keypad The LED will continue to flash but the navigational keys will now be operable ERROR ERROR Critical Error The following message displays accompanied by an audible alarm and a flashing red LED The critical error will cause the Linear Amplifier to shut down However the ...

Страница 10: ... either the Configuration Menu or Diag nostics Menu MAIN MENU 1 Configuration Menu 2 Diagnostics Menu Configuration Menu From the Configuration Menu press either or to move the selection up or down Press ENT to select the re quired menu LINEAR CONFIG MENU 1 Exciter 2 ATU 3 AUX LINEAR CONFIG MENU 4 Optical 5 Network 6 Language LINEAR CONFIG MENU 7 Other 8 Factory Reset ...

Страница 11: ...the Config uration Menu to display the following Press or to move the selection up or down Press ENT to set the selection Exciter MENU 1 Set 4050 2 Set 2050 3 Set Custom 1 Exciter MENU 4 Set Custom 2 5 Set Custom 3 2 ATU N A Press ESC to return to the previous menu 3 AUX N A Press ESC to return to the previous menu 4 Optical N A Press ESC to return to the previous menu 5 Network N A Press ESC to r...

Страница 12: ...splay the select ed menu Other 1 Buzzer Control 2 Blocking Region Buzzer Control This option enables or disables the audio alarms Select Buzzer Control from the Other Menu to display the following Press and to toggle the selection on or off Press ENT to display the Confir mation screen Buzzer Control ON OFF ON A confirmation screen displays Press or to toggle the selection Yes or No to confirm and...

Страница 13: ...ove the selection up or down Press ENT to set the selection BLOCKING REGION MENU 1 Region 1 2 Region 2 3 Region 3 BLOCKING REGION MENU 4 Region 4 5 Region 5 6 None 8 Factory Reset Use this option to revert all the values to the default Select Factory Reset from the Configuration Menu to display the confirmation screen Press or to toggle the selection Yes or No Press ENT to confirm and re boot the ...

Страница 14: ...ecrement the value of the selected digit press or respec tively To move to a different selected digit press either or to move left or right respectively Press ENT to enter the pass code Passcode 0000 If the entered passcode is in correct the following message displays Press ESC to return to the Pass code screen Incorrect Passcode If the entered passcode is correct the following message displays mo...

Страница 15: ... up or down Press ENT to select the re quired menu DIAGNOSTICS MENU 1 Clear Critical Error 2 Filter Control Menu 3 Attenuation Control DIAGNOSTICS MENU 4 Power Relay Control 5 Power Supply Control 6 Pallet 0 Control DIAGNOSTICS MENU 7 Pallet 1 Control 8 Fan Control Menu 9 Pump Control DIAGNOSTICS MENU 10 Bypass Lock ON Control ...

Страница 16: ... Select Filter Control from the Diagnostics Menu to display the following Press or to move the selection up or down Press or to toggle the selection on or off Press ENT to display the Confir mation screen FILTER CONTROL MENU BYPASS TOGGLE ON Filter 1 1 60 2 48 MHz OFF Filter 2 2 48 3 84 MHz OFF F 7 DUMP RX SYSBYPASS RX From the Confirmation screen press or to toggle the selection Yes or No and ret...

Страница 17: ... 2 Set 3dB Attenuation 3 Set 6dB Attenuation ATTEN ATTEN_6DB Select to advance though the menu for more options or select to return to the previ ous menu ATTENUATION CONTROL MENU 4 Set 9dB Attenuation 5 Set 10dB Attenuation 6 Set 13dB Attenuation ATTEN ATTEN_10DB Press ENT to accept the set ting The chosen attenuation is displayed on the last line of the display ATTENUATION CONTROL MENU 7 Set 16dB...

Страница 18: ...creen PS48vON OFF ON From the Confirmation screen press or to toggle the selection Yes or No and return to the previous screen Confirm Update YES NO YES 5 Power Supply Control Select Power Supply Control from the Diagnostics Menu to display the following The external power supply consists of three modules Use this menu to enable or dis able the individual modules Press or to move the selection up ...

Страница 19: ...e following The Power Amplifier consists of two pallets Use this menu to enable or disable Pallet 0 Press or to toggle the selection on or off Press ENT to confirm and dis play the Confirmation screen Pal0 ON OFF ON From the Confirmation screen press or to toggle the selection Yes or No and return to the previous screen Confirm Update YES NO YES ...

Страница 20: ...lay the following The Power Amplifier consists of two pallets Use this menu to enable or disable Pallet 1 Press or to toggle the selection on or off Press ENT to display the Confir mation screen Pal1 ON OFF ON From the Confirmation screen press or to toggle the selection Yes or No and return to the previous screen Confirm Update YES NO YES ...

Страница 21: ...up or down Press or to toggle the selection on or off FAN CONTROL MENU 1 FAN 0 Control 2 FAN 1 Control 3 FAN 2 Control FAN CONTROL MENU 4 FAN 3 Control 5 All FANS ON 6 All FANS OFF The illustration opposite shows that the status of Fan 0 is on Press or to toggle the selection on or off Press ENT to display the Confir mation screen FAN 0 ON OFF ON From the Confirmation screen press or to toggle the...

Страница 22: ...or to toggle the selection Yes or No and return to the previous screen Confirm Update YES NO YES 10 Bypass Lock On Control Select Bypass Lock On Control from the Diagnostics Menu to display the following Use this menu to enable or disable the Bypass Lock Press or to toggle the selection on or off Press ENT to display the Confir mation screen From the Confirmation screen press or to toggle the sele...

Страница 23: ...Power Supply units A suitable minimum 3 kVA rated Line Conditioner unit is required to ensure protection for the Power Supply unit against unstable mains supply Failure due to mains power fluctuation and no Mains Line Conditioning unit employed will not be considered as a warranty repair Suitable Lightning Protection and Earth connection is essential to minimize or prevent lightning induced damage...

Страница 24: ... connection through a wall socket is not safe and should be avoided According to Australian New Zealand Standards the mains cable conductor colour code is as follows Conductor colour Designation Brown Active Blue Neutral Green Yellow Earth All Barrett equipment is automatically able to operate with mains input voltage range of 100 to 250 V AC However the system mains supply cable for mains voltage...

Страница 25: ...ground point for external connection can be found at the rear bottom of the rack The rack earth connection should be extended as directly as possible to a suitable ground outside of the building using preferably a 50 mm copper earth strap All signal cables should be shielded and grounded at each end Lightning protection also requires a good ground connection and should be similarly connected to th...

Страница 26: ...700 If the vessel is yet to be constructed then in the case of fibreglass vessels a thin copper sheet with an area of not less than 4 square metres should be moulded into the hull during lamination A suitable heavy strap should be connected to the sheet and left free for earth connection Should neither of these methods be available it will be necessary to bond as many large metallic objects such a...

Страница 27: ...otection module is recommended Fitting the Linear Amplifier Unpack the Linear Amplifier and refer to the connection diagrams shown below Unless otherwise specified for special project requirements all cabling with the exception of the coaxial RF output cable are installed in the rack and so identification and connection is straightforward Both the 4075 Linear Amplifier and the 4075 Power Supply un...

Страница 28: ...RKS GENERAL TOLERANCES WHOLE DIMS 0 25mm 1 DEC PLACE 0 2mm ANG 1 deg UNLESS OTHERWISE STATED MATERIAL FINISH DIMENSIONS IN mm DATE SCALE DESIGNED DRAWN ISSUED DRAWIN TITLE 3 4 5 6 7 8 9 10 ISSUED DATE ISSUED 3 4 5 6 7 8 9 10 LI LI 16 Jun 17 NTS BC4075 Front V SPA14 LI LI Inital release 16 06 17 A0 LI 16 Jun 17 Speake and 40 4050 E Power Breako Coax S Power Unit Linear Supply 1 0 7 A M P A M P 16 1...

Страница 29: ...INEAR AMPLIFIER OPERATING INSTALLATION MANUAL 4075 Connections Rear View Internal rack cable connections are indicated in the following drawing 12 9 1 4 6 11 10 10 5 9 7 8 9 3 5 5 2 2 Linear Amplifier Power Supply 48 V ...

Страница 30: ...ower cable C14 to C13 1m DE15F to DE15M cable 1 2m 4075 DC power cable Coax lead PL 259M to PL 259M DC power cable Accessories DC power cable 4075 Linear to PSU control cable Coax lead N type M to PL 259M Earth strap Earth strap DB9M to DB9F cable 2 5ft Mains connection ...

Страница 31: ...r fitted to the rack In Transmit Mode PTT Active The PTT signal from the Transceiver is passed via the Breakout Box to the Linear Amplifier where it is used to set the Linear Amplifier to Transmit The Linear Amplifier then routes the RF signal through the power amplifier stages the Low Pass Filters LPF and ALC detection circuit to the antenna connection The ALC voltage produced in the Linear Ampli...

Страница 32: ...ng Please note that the RF transmit power level should be set to 125 W if the out put power of the Linear Amplifier is 1000 W Receiver checks can now be performed The receiver is identical in operation and function to a stand alone 4050 Base Station Transceiver The 4075 Lin ear Amplifier in bypass or fail state will pass the received RF signal directly through to the 4050 Transceiver Only after th...

Страница 33: ... tapped the system will invoke a tune cycle Once the ATU has attained a tune pass additional Tune tapping will produce the same results as above If Selcall is enabled send a Selcall to ensure the correct modulation to achieve full output power indication Note As the Transceiver s antenna type has been set to 4075 Linear Amplifier if an external through line power meter is used to measure the RF po...

Страница 34: ...uous PEP CW Input Return Loss S11 15 dB Max Third Order Intercept IP3 75 dBm Harmonics 55 dBc 2 to 30 MHz Non harmonic products 70 dBc 2 to 30 MHz Intermodulation Distortion 30 dBc ALC Voltage output 0 10 V T R Switch Isolation 30 dB T R Switch Time 15 ms Max Filter switching time 15 ms Max Filter Type LPF LPF band cutoff frequencies 2 48 3 84 6 9 3 14 5 20 30 MHz Power Requirements 48 V DC 60 A 1...

Страница 35: ...ure 10 C to 50 C operational 40 C to 85 C storage Humidity 95 relative non condensing Altitude 3000 m above sea level not airborne 9000 m transportation Vibration Designed to meet MIL STD 810G Method 514 5 Shock Designed to meet MIL STD 810G Method 516 6 EMI EMC Designed to meet MIL STD 461F FCC Pending approval Controls and Indicators Specification Description Switches and controls 7 Key keypad O...

Страница 36: ... Legacy interface D Sub 15 PSU Control D Sub 9 4050 SDR Interface D Sub 9 ATU Control D Sub 9 Auxiliary Control D Sub 3W3 4022 PSU Micro USB Type A B Programming interface Optical Multi mode Fibre SFP ATU Control RJ45 Ethernet Anderson SBS75X DC Power input Protection Specification Description Linear amplifier bypass on overload Input Overdrive 10 W at 0 dB input attenuation Output VSWR 3 1 Power ...

Страница 37: ...he original shipment delivery date of the Barrett Product This warranty shall not cover any abuse accident improper installation connection adjustment or use other than in accordance with the instructions issued by the company In addition this warranty shall not cover the distance which transceiver products will operate over or quality of transmission or reception as a result of unfavourable envir...

Страница 38: ... serial numbers of your equipment and Barrett Communications will then be able to contact you if needed to keep you informed of any developments relating to your equipment If you have access to the Internet you can use the warranty registration page in the tech support section of our website to register your warranty form Please go to www barrettcommunications com au Support html Barrett Communica...

Страница 39: ...ort web page Barrett Communications Pty Ltd Head Office PO Box 1214 Bibra Lake WA 6965 AUSTRALIA Toll Free Tel 1800 999 580 Within Australia Tel 618 9434 1700 Fax 618 9418 6757 email support barrettcommunications com au Telephone support from the Australian support office is available from 7 30 am to 4 30 pm local time Monday to Friday Barrett Communications Europe Unit 9 Fulcrum 2 Victory Park So...

Страница 40: ...Barrett Communications Pty Ltd 47 Discovery Drive Bibra Lake WA 6163 Australia Tel 61 8 9434 1700 Fax 61 8 9418 6757 Email information barrettcommunications com au www barrettcommunications com au ...

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