Bruker BioSpin BLAH2000-I E C Operating & Service Manual Download Page 18 | Manualshive

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BRUKER BIOSPIN

Operating & Service Manual Version 001

Operation

BLAH2000-I E C

Amplifier 300MHz

Front Panel View

Rear Panel Description

4.2

The BLAH2000-I E C Amplifier 300MHz rear panel is free of elements in excep-
tion of the 3 poles (2P+E) line filter socket.

Device Rear View

4.2.1

Figure 4.2. BLAH2000-I E C Amplifier 300MHz Rear Panel Design

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Summary of Contents for BLAH2000-I E C

Page 1: ...Preclinical MRI Bruker BioSpin think forward Version BLAH2000 I E C Amplifier 300MHz Operating Service Manual 001 ...

Page 2: ...ed personnel of the user in charge of repairing the parts of the unit which have been stated by the manufacturer to be repairable Such supply shall in no event constitute permission to modify or repair the units or approval of the same All rights reserved for the units circuits processes and appellations mentioned herein This unit is not designed for any type of use which is not specifically descr...

Page 3: ...amage 11 Reshipment and Repackaging Requirements 11 Environment Requirements 12 3 2 Installation Requirements 12 Bench Operation 12 3 3 Power Requirements 12 3 4 System Check 12 3 5 Initial Turn on Procedure 13 4 Operation 15 4 1 Front Panel Description 15 Indicators 15 Coaxial Connectors 16 Ethernet 10 100 Interface Connector 16 CAN Bus Interface Connectors 17 Device Front View 17 4 2 Rear Panel ...

Page 4: ...ice Information default 28 Amplifier Status 29 6 3 Sub Toolbar Advanced Operations 30 Device Information advanced 30 Amplifier Limitations 31 Change Limits 32 Routing Information and Setting 33 6 4 Sub Toolbar Maintenance 34 Device Information maintenance 34 Self Test Software Reset 35 Firmware Update 37 BIS Content 38 7 Specifications 39 7 1 Common Characteristics 39 7 2 General Specifications 40...

Page 5: ...lse widths and duty cycles maintaining up to 100W average power on the 2000W RF output The electronic protection circuitry has been designed to protect against Excessive power output level overdrive Excessive pulse repetition rate over duty cycle protection Excessive pulse duration over pulse width More than 50 reflected RF power mismatch when VSWR 6 Thermal protection overheat The amplifier is al...

Page 6: ...6 47 BRUKER BIOSPIN Operating Service Manual Version 001 General Information ...

Page 7: ... I E C can be identified by an identifying plate at the front panel of the unit that contains the following information Figure 2 1 Identifying Plate A Part Number This field indicates the part number of the product B Variant This field indicates the variant number that identifies the production category of the product The default variant is 00 C ECL This field indicates the revision number that id...

Page 8: ...of the product B Frequency This field indicates the input mains frequency of the product C Phases This field indicates the number of phases of the mains D Power This field indicates the absorbed power of the product E Current This field indicates the absorbed current of the product F Wires This field indicates number of wires with the ground in the mains cord G Part Number This field indicates the...

Page 9: ...e Mismatch protection is active Please disconnect the mains supply before opening to prevent potential hazard such as Electrical shock from power supply Contact burns from the RF module and heatsink Finger scratch due to the fan assembly on the RF module DANGER Risk of electrical shocks Throughout this manual this symbol indicates the possibility of severe personal injury loss of life or equipment...

Page 10: ...10 47 BRUKER BIOSPIN Operating Service Manual Version 001 Safety ...

Page 11: ...upon receipt notify BRUKER or our representative immediately Retain the shipping cardboard and packing material for the carriers inspection as well as for subsequent use in returning the unit if necessary Reshipment and Repackaging Requirements 3 1 3 Whenever possible the original cardboard and packing material should be used for reshipment If the original packing material is not available wrap th...

Page 12: ...ry Mount the equipment in an area which is relatively free of vibration and has sufficient room for cable connections The amplifier has a class II installation category Bench Operation 3 2 1 The unit can be placed onto a secure flat surface Power Requirements 3 3 The BLAH2000 I E C Amplifier 300MHz has a build in switched power supply The mains line connector on the rear panel is a CEI 10A One Pha...

Page 13: ...at should be seen as this occurs Before starting this procedure make sure that you have properly followed the instructions in section System Check on page 12 1 Connect the amplifier to the AC line and turn the line switch to ON 2 Observe the indicators on the front panel of the amplifier The 32V ON LED s will illuminate The 15V 15V and 3 3V ON LED s will illuminate 3 System is now fully operationa...

Page 14: ...14 47 BRUKER BIOSPIN Operating Service Manual Version 001 Installation ...

Page 15: ... is applied Overdrive Indicates when the peak power limit has been reached Duty Cycle D C Indicates when the duty cycle limit has been reached Pulse Width P W Indicates when the pulse width limit has been reached Mismatch Indicates when the max reflected power limit has been reached RF POW FLT Indicates when one of the above limits has been reached Overheat Indicates that the thermistor located on...

Page 16: ...female Power output 2000W 300MHz BLNK Blanking input BNC type connector female for test only TTL logic 0V blanking ON 5V blanking OFF When BLANKING signal is at TTL level low 0V no gating is applied to the amplifier stages and no RF Power is possible When BLANKING signal is at TTL level high 5V the amplifier stages are gated and RF Power is possible POWER FORWARD Image of Forward signal output SMA...

Page 17: ...plifier 300MHz Front Panel Design U2 Optocoupled output TX1 U3 Optocoupled input RX1 U4 Optocoupled output TX2 U5 Optocoupled input RX2 ENABLE Optocoupled enable input UNBLK Optocoupled input blanking 2000 32V 15V 15V 3 3V RF POW FLT OVERHEAT OVERDRIVE D C P W MISMATCH ETH 10 100 BLAH2000 I E C 300 MHz 1 O Tx Rx 1 8 LINE 2000 W RF IN U2 FORWARD POWER POWER REFLECTED U3 U4 U5 ENABLE UNBLANK CAN BUS...

Page 18: ...000 I E C Amplifier 300MHz Front Panel View Rear Panel Description 4 2 The BLAH2000 I E C Amplifier 300MHz rear panel is free of elements in excep tion of the 3 poles 2P E line filter socket Device Rear View 4 2 1 Figure 4 2 BLAH2000 I E C Amplifier 300MHz Rear Panel Design ...

Page 19: ...Operating Service Manual Version 001 BRUKER BIOSPIN 19 47 Rear Panel Description Figure 4 3 BLAH2000 I E C Amplifier 300MHz Rear Panel View ...

Page 20: ...20 47 BRUKER BIOSPIN Operating Service Manual Version 001 Operation ...

Page 21: ...s AB power amplifiers are located on the top of the heatsink assembly and are combined by the means of 4 ways in phase combiner The output of the combiner is connected to a bi directional coupler mounted in the BLM2000 module The entire system is controlled by a Digital Signal Processing control board processing information from the amplifier and blanking signal providing protection from excessive...

Page 22: ...g Fans Combiner Splitter 2 x 32V BLA DSP CONTROL BOARD 2 x 32V 15V 15V 3 3V GROUND Switched Power Supply Assemblies BIS Board Front panel indicators Driver PA2 PA3 PA4 Bi directional Coupler 15V Forward Reflected Power Line Filter Supply Circuit Breaker ON OFF L N E POWER SUPPLY Status Power CAN Bus interface 15V Sense Gating CAN BUS Forward Reflected BLNK TEST Gating ...

Page 23: ...Operating Service Manual Version 001 BRUKER BIOSPIN 23 47 System Overview Figure 5 2 Driver Block Diagram 2000W RF Switch 4 x PA ATT2 Gating Gating A1 A4 A5 Driver RF IN A3 Bias ATT1 A2 Bias ...

Page 24: ...put transformers and baluns which operate the devices in push pull mode This section requires a control board conditioned gating signal to control the bias voltage on the gates of the FETs The gain of this section is around 13dB The entire RF driver has around 53dB nominal gain operates at 32VDC and able to provide more than 250W linear power RF 4 ways Splitter The RF in phase splitter distributes...

Page 25: ...lifier test The Ethernet Controller can read all the information given by the control board as described before read information about forward and reflected power information of identifications of the amplifier Bruker Identification System BIS It also can minimize absolute ratings for pulse width duty cycle and peak power limitations Warning the operating of the Ethernet Link requires a Spectromet...

Page 26: ...n RX U5 Out TX U4 A feed through to other components in the CAN chain Enable The enable signal allows the Siemens electronics to shut the amplifier down independent from the CAN Bus controller If the signal is missing light out the amplifier shuts down Unblank To reduce noise and loss of the MR echo during reception the amplifier is blanked during the receive cycle This is accomplished with the fi...

Page 27: ...address is given during cf by using TOPSPIN 2 xx software on the workstation In case of problems Check the RJ45 cabling between amplifier Ethernet switch and workstation Check the Ethernet switch power Check if the green LED on the amplifier RJ45 connector lights up Check the front panel of the amplifier LED s indicators 32V 15V 15V and 3 3V ON must have lit To access the BLAH2000 I E C Amplifier ...

Page 28: ...2 1 You should get the following start screen Figure 6 1 Device Information This page gives you general information about the amplifier default page In the main toolbar we can see that a BLA is displayed The left panel is the navigation menu It can be used to navigate through the service pages or choose another tab in the sub toolbar ...

Page 29: ...ing Service Manual Version 001 BRUKER BIOSPIN 29 47 Sub Toolbar Information Amplifier Status 6 2 2 Leads you to a page giving information about the current status of the amplifier Figure 6 2 Amplifier Status ...

Page 30: ...ons 6 3 Device Information advanced 6 3 1 You should get the following start screen Figure 6 3 Device Information This page gives you general information about the amplifier The left panel is the navigation menu It can be used to navigate through the service pages or choose another tab in the sub toolbar ...

Page 31: ... Toolbar Advanced Operations Amplifier Limitations 6 3 2 Leads you to a page giving several default and current limits of the amplifier If you want for any reasons to change the current limits of the amplifier press Change limits Figure 6 4 Amplifier Limitations ...

Page 32: ...32 47 BRUKER BIOSPIN Operating Service Manual Version 001 Servicing the BLA Change Limits 6 3 3 Read the warnings change limit parameters and press Apply if you are sure of that Figure 6 5 Change Limits ...

Page 33: ...ations Routing Information and Setting 6 3 4 Leads you to a page giving information about the current routed RF path at the amplifier inputs Default RF path is INPUT 1 to CHANNEL 1 Figure 6 6 Routing Information and Setting Because of fixed route it is not possible to change anything ...

Page 34: ... 4 Device Information maintenance 6 4 1 You should get the following start screen Figure 6 7 Device Information This page gives you general information about the amplifier The left panel is the navigation menu It can be used to navigate through the service pages or choose another tab in the sub toolbar ...

Page 35: ...Leads you to a page allowing you to do a self test on the BLA control board Hardware test and to do a software reset Both operations can be done if the amplifier doesn t work correctly Figure 6 8 Perform Self Test and Report Read the warnings press Start the Self Test You should have only gray lines in the report ...

Page 36: ...6 47 BRUKER BIOSPIN Operating Service Manual Version 001 Servicing the BLA Figure 6 9 Perform Software Reset and Report Read the warnings press Perform Software Reset You should have the following screen ...

Page 37: ...you to a page allowing you to download new firmware Figure 6 10 Firmware Update Read the warnings press the Browse button for selecting the new firmware file to download and press Update Download the new firmware will take a few minutes NOTE This button caption depends on your operating system language settings ...

Page 38: ... 47 BRUKER BIOSPIN Operating Service Manual Version 001 Servicing the BLA BIS Content 6 4 4 Leads you to a page giving information about the current BIS programmed on the amplifier Figure 6 11 BIS Content ...

Page 39: ...excessive Front Panel Indicators Amplifier Status Led Board Front Panel Interfaces 1 x I O 8 pins RJ45 connector 1 x I O octocoupled CAN bus Front Panel Controls 1 x AC line ON OFF switch 1 x power forward output 1 x power reflected output 1 x blanking test Front Panel Connectors 1 x RF input 1 x RF output Rear Panel Connectors 1 x AC line in socket Cooling System Forced air cooling from front to ...

Page 40: ...earity 1dB to 1500W typical 300MHz Amplifier Biasing Class AB operation Blanking Delay Time 1 5µs min RF Rise Time 100ns RF Fall Time 70ns DC Ringing 500mV typical due to blanking signal Input Noise Figure 5dB typical Output Noise Power Unblanked 101dBm 1Hz Output Noise Power Blanked Thermal Noise Input Output Impedance 50Ω Input V S W R 1 3 1 max Output Harmonics 2fc 3fc 300MHz 30dBc 20dBc min 20...

Page 41: ...s a expected live time of 70000 hours 8 years at 25 C and 5 years at 60 C Replacement of the assembly could be done in the field when a misfonction of fans is detected by lightning from the OVERHEAT Status Led To prevent such a misfonction a preventive maintenance could be done every 4 years These assemblies can be ordered on the manufactory BBIO FR by P N W1346530 PUSH FAN ASSEMBLY BLA1000 300 W1...

Page 42: ...the bottom holes of the RF module and screw it on the top 7 Connect the 2 red white wires on the left side of the RF module J3 and J4 8 Connect line cord and turn on the amplifier Note that the fans are turning and no OVERHEAT status led appears on front panel 9 Turn off the amplifier and disconnect the line cord 10 Put the coverage plate on the amplifier and screw it 11 Put the amplifier in the C...

Page 43: ... 1 BLAH2000 I E C System Block Diagram 22 Figure 5 2 Driver Block Diagram 23 6 Servicing the BLA 27 Figure 6 1 Device Information 28 Figure 6 2 Amplifier Status 29 Figure 6 3 Device Information 30 Figure 6 4 Amplifier Limitations 31 Figure 6 5 Change Limits 32 Figure 6 6 Routing Information and Setting 33 Figure 6 7 Device Information 34 Figure 6 8 Perform Self Test and Report 35 Figure 6 9 Perfor...

Page 44: ...44 47 BRUKER BIOSPIN Operating Service Manual Version 001 Figures ...

Page 45: ...dicators Assignment 15 Table 4 2 Coaxial Connectors Assignment 16 Table 4 3 RJ45 Pin Assignment 16 Table 4 4 CAN Bus Connectors Assignment 17 5 Technical Description 21 6 Servicing the BLA 27 7 Specifications 39 Table 7 1 Amplifier Common Characteristics 39 Table 7 2 Channel 2000W Output Specifications 40 8 Service Information and Maintenance 41 ...

Page 46: ...46 47 BRUKER BIOSPIN Operating Service Manual Version 001 Tables ...

Page 47: ...Operating Service Manual Version 001 BRUKER BIOSPIN 47 47 End of Document ...

Page 48: ...ruker BioSpin Group info bruker biospin com www bruker biospin com Bruker BioSpin your solution partner Bruker BioSpin provides a world class market leading range of analysis solutions for your life and materials science needs ...

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