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ITB ARCHIMEDE 5000 Series, User Manual

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ITB ARCHIMEDE 5000 Series User Manual Download Page 57

 

 

Archimede 5000 series FM amplifiers

 

User’s manual – Page 57 of 65 

Figure 6 

– Archimede High Power series Bottom view (open) 

 

 

Note: the fourth amplifier module (the lowest in this image) is mounted only on Archimede 4000 and Archimede 5000. For details about the R.F. Amplifier section differences among the three models 

 6.4 

Summary of Contents for ARCHIMEDE 5000 Series

Page 1: ...nfo italab it www italab it ARCHIMEDE 5000 Series High Power FM Amplifier MAIN MENU TURN AND PUSH TO SELECT START STOP ALARM STAND BY ON ARCHIMEDE 5000 MADE IN EUROPE DESIGN BY LAURA MICALIZZI RFP VHF FM POWER AMPLIFIER Ultra compact High Power FM Amplifiers User s Manual Revision 1 0 ...

Page 2: ...r contact our local dealer or agent The manufacturer will not be held responsible for any consequence caused by errors or improper handling on which he has no direct control According to the requirements of our customers the described options may vary from model to model All rights reserved No part of this document can be reproduced in any form or by any means including recording or photocopy with...

Page 3: ...nnections 21 6 3 Fans control board 21 6 4 R F amplifier section 22 6 4 a Driver amplifier 22 6 4 b Amplifier circuits 23 6 4 c Protection fuses for the amplifier modules 24 6 4 d Input Direct Reflected power levels readings adjustment circuit 25 6 4 e Extraction of direct reflected power levels and low level R F signal 26 6 5 LCD display board 26 6 6 Digital encoder multifunction knob 26 7 INSTAL...

Page 4: ...ion Size menu 39 10 8 Set LCD Contrast menu 39 10 9 Set Clock menu 40 10 10 Info Page menu 40 11 SET FUNCTION SIZE MENU 41 11 1 Program page menu 41 11 1 a Function menu 42 11 1 b Power size menu 42 11 1 c Show Timers menu 43 11 1 d Set power saver menu 43 11 1 e Set a new password menu 44 12 MAINTENANCE AND WARRANTY 46 12 1 Maintenance 46 12 1 a Clogging by dust 46 12 1 b Cooling fans 46 12 1 c P...

Page 5: ...stem can meet even the most demanding environmental conditions Large allowable bandwidth and low maintenance requirements Interactive control panel with LCD display Enables the user to easily set the equipment modes and commands and to display the operation parameters through the practical multifunction knob Sturdy modular mechanical and electrical construction It guarantees a high MTBF and an eas...

Page 6: ...ubstance is harmless as it is but becomes highly dangerous if it s ground to powder Special procedures of disposal must be observed in case of failure of these devices 2 1 a General safety recommendations When connecting the equipment to the power please follow these important recommendations These products are intended to operate from a power source that will not apply more than 10 of the voltage...

Page 7: ...ponents from PCBs particularly ICs use care to avoid damaging PCB traces 2 1 c First aid in case of electrical shock If someone seems unable to free himself under electric shock contact turn the power off before rendering aid A muscular spasm or unconsciousness can make a victim unable to free himself from the electrical power If power cannot be turned off immediately very carefully loop a length ...

Page 8: ... for burns Continue treat victim for electrical shock Check for points of entry and exit of current Cover burned surface with a clean dressing Remove all clothing from the injured area but cut around any clothing that adheres to the skin and leave it in place Keep the patient covered except the injured part since there is a tendency to chill Splint all fractures violent muscle contractions caused ...

Page 9: ...security warnings advice and or information of the highest importance If such symbol is not heeded serious problems consequences could arise The written notebook represents practical and important advice which we recommend to follow in order to obtain the best performance possible from the equipment The display messages LCD pages options etc are written in this font bold Courier New Important sent...

Page 10: ...ts accessories According to the model the equipment can weighs up to about 35kg and should therefore be moved or carried exclusively with the proper equipment and the due caution Do not turn the equipment on without having duly wired and connected it as explained in chapter 7 Always follow the laws and regulations stipulated regarding the use of broadcast transmitters as in effect in the geographi...

Page 11: ...he rear panel Archimede 3000 Archimede 4000 Archimede 5000 R F Output connector 7 16 flange 7 8 flange Par 5 2 part 17 Number of fans on the rear side 2 3 Par 5 2 part 17 Number of power supply units 2 3 Par 5 3 parts 25 and 26 R F splitter Wilkinson type 3 ways 4 ways Par 5 4 part 30 R F amplifier modules number and power 3 x 1 300W 4 x 1 300W 4 x 1 500W Par 5 4 parts 31 32 33 34 R F combiner Wil...

Page 12: ...Option SMA type connector for sourcing the low level RF signal This function is useful for measurements with external instruments The signal attenuation is 50 dB RF MONITOR output does not guarantee an output level that is perfectly constant versus frequency As such it cannot be used for accurate spectrum measurements 3 Control panel allows the user to set device functions and to view and set oper...

Page 13: ...s functions operations for the device or the parameter values to be set If pressed for a short time like a button when inside the menu it activates the currently selected option For further information regarding the use of the multifunction knob 9 1 9 ON LED this LED glows green when the equipment is in normal operation 10 STAND BY LED this LED glows yellow when the equipment is in stand by mode I...

Page 14: ...9 21 18 12 12 12 14 17 I T B 12 Exhaust cooling air outlet the exhaust cooling air which came into the equipment through the front ventilation grid exits from this outlet 13 RS 232 connector optional for the connection to an external modem Only with Archimede 3000 and 4000 14 REMOTE DB25 female connector used when the amplifier is equipped with the optional Telemetry board 15 GND ground It allows ...

Page 15: ...n carrying out maintenance operations e g fans maintenance because it s not necessary to unsolder the 7 8 rigid line connector being sufficient to loosen a clip to get the equipment free and removable from the rack clearly after having removed all the other connections 18 Power ON OFF it enables to switch on off the equipment main power supply 19 RF IN The exciter must be connected to this N type ...

Page 16: ...sure Range from 0 to 2VDC full range 5 Reflected power measure Range from 0 to 2VDC full range 6 Low direct power alarm If this status is reached the output on this pin is 12VDC 7 Not connected not connected 8 DC power supply External 12 VDC for service purposes 20mA Max 9 not connected 10 Stand by To set the equipment in stand by mode connect this pin to pin 8 or to an external 12VDC 11 Power adj...

Page 17: ...th all models Par 6 1 26 Power supply board This space is fitted with a third power supply unit with Archimede 4000 standard version or with Archimede 3000 mounting the three phase with neutral wire 400VAC power supply option Par 6 1 27 LCD display board Par 6 5 28 Digital encoder multifunction knob Par 6 6 Front side Rear side 22 24 23 25 25 25 Front side Rear side 22 24 25 25 26 Archimede 3000 4...

Page 18: ...ar 6 4 b 34 Amplifier module 4 this module is present only with Archimede 4000 and Archimede 5000 Par 6 4 b 35 Wilkinson type combiner Par 6 4 b 36 Low pass filter 6 4 b 37 Directional couplers Par 6 4 e 38 Adjustment of the Input Direct and Reflected power level readings Par 6 4 d 39 Fuses protection of the transistors mounted on the amplifier modules 1 and 2 Par 6 4 c 40 Fuses protection of the ...

Page 19: ...tioning of the equipment may occur as well as of any other electronic measuring instrument owing to the strong R F fields involved The Archimede High Power models are mainly composed of the following elements Power supply section Analog controls board Telemetry board optional Fans control board R F amplifier section LCD display board Digital encoder If not otherwise specified the following descrip...

Page 20: ...l see the following paragraph for information on how to locate and adjust this trimmer As soon as the equipment is powered the fans will start turning at the minimum speed Then their speed changes according also to the heatsink temperature This board performs all its functions e g ALC control output power level management reflected power max level in analog mode without adopting a microprocessor T...

Page 21: ...nt from the rear panel A short circuit between the two contacts sets the equipment in stand by mode 48 Telemetry data bus connected with the REMOTE port located on the rear panel 49 Ground 50 15VDC power supply from aux power supply 51 Data bus with the Power Supply units 52 48VDC power supply for the amplifier module 1 the black power resistor is used for the current measurement 53 Data bus betwe...

Page 22: ...on is located on the bottom side of the equipment Par 5 4 Though some differences due to the different R F output powers characteristics of each model its layout adopts the same structure for all versions The following paragraphs deals the R F signal path from the Driver amplifier input up to the R F section output Besides the circuits specifically dedicated to the amplification function this sect...

Page 23: ...s are then combined in a single one by means of a Wilkinson combiner Par 5 4 part 35 The three models mount different combiners Archimede 3000 is equipped with 3 ways Wilkinson combiner Archimede 4000 is equipped with 4 ways Wilkinson combiner Archimede 5000 is equipped with 4 ways Wilkinson two steps combiner The output of the combiner is connected to a Low pass filter Par 5 4 part 36 This circui...

Page 24: ...vant transistors 61 Protection of module 1 transistor1 valid for all models 62 Protection of module 1 transistor2 valid for all models 63 Protection of module 2 transistor1 valid for all models 64 Protection of module 2 transistor2 valid for all models 65 Protection of module 3 transistor1 valid for all models 66 Protection of module 3 transistor2 valid for all models 67 Protection of module 4 tra...

Page 25: ...adjust the direct power level reading INPUT POWER READING ADJUSTMENT check with an hi precision R F power meter the level of the driving signal coming from the Exciter then adjust the trimmer 70 until the display shows the same power reading DIRECT POWER READING ADJUSTMENT with the equipment in normal operation ON mode and the display showing the working page e g 10 2 check with an hi precision R ...

Page 26: ...trol board shown on the LCD display 74 Low level R F output signal connected to the RF MONITOR connector 2 located on the front panel 6 5 LCD display board This board integrates the LCD display 7 and three LEDs for further details 5 1 a By communicating directly with the CPU the LCD display keeps the user informed with various information and messages e g menus alarms etc 6 6 Digital encoder multi...

Page 27: ...and all local safety requirements Never touch the inner parts of the equipment without first disconnecting it from the AC power line Dangerous AC DC and radio frequency voltages are available inside and become accessible when the covers are removed 7 3 Placing the equipment 7 3 a Choosing the proper room and location Install the equipment in a dry sheltered but well ventilated room away from dust ...

Page 28: ...ill be reduced 7 4 Connecting the equipment 7 4 a Connecting the antenna It s very important to check that antenna cables and connectors are suited for the rated output powers featured by the adopted Archimede High Power model The antenna divider is also expected to have adequate power Choose cables suitable for the equipment rated output power and the output signal connector type The antenna will...

Page 29: ...he equipment make sure of the AC power line connections before switching on the equipment 7 4 d Connecting to the exciter Proceed in the following way 1 Connect the exciter to an independent AC power line 2 Connect the exciter s R F output to a suitable dummy load 3 Switch the exciter on 4 Set the exciter R F output power to zero 5 Check that the correct FM frequency of the exciter is set 6 Switch...

Page 30: ...y mode In such case go to the next step 5 Keep the ON STAND BY button 6 pressed for a couple of seconds the amplifier and the fans will turn on The display briefly shows some screenshots At the end the green ON LED 9 will steadily glow and the working page the one normally shown in the normal operation 10 2 will steadily stay on the display T I B ARCH I ME DE r e v 1 6 F o r w a r d P w e r 0 o P ...

Page 31: ...h a faulty antenna may cause degradation and possible destruction of the R F power stage Such failures are not covered by our standard warranty Step 11 the previous images refer to the first switch on with the equipment in stand by mode In this condition power value is in percentage and referred to a logarithmic scale meaning for example that the setting 50 will be about of the rated power level e...

Page 32: ...o move the cursor downward to the left of Confirm Changes the last option 25 Press the knob to confirm the settings and come back to the main menu 26 Turn the knob clockwise in order to move the cursor upward to the left of Working Page the first option 27 Press the knob The display will go back to the working page T I B ARCH I ME DE r e v 1 6 F o r w a r d P w e r 0 o P w e r o 0 Re f l e e c t d...

Page 33: ...FM Power Amplifiers User s manual Page 33 of 65 8 1 e Turning off 1 Keep the ON STANDBY button 6 pressed for a couple of seconds setting the equipment in stand by mode 2 Turn off the Power ON OFF switch 18 on the rear panel ...

Page 34: ... 10 2 T I B ARCH I ME DE r e v 1 6 F o r w a r d P w e r 0 o P w e r o 0 Re f l e e c t d 24 A r 2013 22 53 12 2 Press the knob The display will show the main menu which is split in two pages 3 Turn the knob until the cursor on the left points one of the over stated menus 4 Press the knob to select the needed menu 5 If necessary according to the selected menu repeat one or two times these last two...

Page 35: ...e parameters or way of operation of the amplifier e g Set Power Output Apart some exceptions e g Language which is in the main menu the following operation are needed to confirm the entered settings 1 Be sure to have entered the needed setting e g the output power as shown below 2 Turn the knob counterclockwise in order to move the cursor to Confirm Changes 3 Press the knob to save the settings an...

Page 36: ...10 2 Working Page The working page is the one displayed in normal operation and shows the most important information related to the amplifier In fact inside the menu after 4 minutes of inactivity no actions on the knob a timer automatically quits the menu restoring the working page These are the information displayed in it T I B ARCH I ME DE r e v 1 6 F o r w a r d P w e r 0 o P w e r o 0 Re f l e...

Page 37: ...elect Ignore Changes and press the knob For information about these commands 9 3 10 5 Debug Page menu This menu shows some analog measurements forward and reflected output power driving input power bias voltage temperature of the heatsink etc checks the operation of the ON STAND BY button and digital encoder of the multifunction knob It also shows the presence of a stand by command coming from the...

Page 38: ... 10 5 b Logic Inputs menu This menu allows to check the proper operation of the ON STAND BY button by checking its dedicated contacts of the control board Moreover it shows the presence of an external stand by command coming from the REMOTE connector 14 Finally it shows if one or more alarms are currently released 13 1 1 From the Debug Page 10 5 select Logic Inputs 2 Press the knob The Logic Input...

Page 39: ...e you are still inside the main menu so no operation are necessary to come back to it Instead you might decide to come back to the working page by turning the knob clockwise in order to move the cursor upward to the left of Working Page the first option then press the knob to come back to the working page 10 7 Set Function Size menu It s a special password protected technical menu For detailed inf...

Page 40: ... After you entered the clock settings don t forget to confirm them select Confirm Changes and press the knob or to quit the menu without changing the previous setting select Ignore Changes and press the knob For information about these commands 9 3 10 10 Info Page menu This menu shows the contact information of Italab email technical support telephone number in order to get in touch with it in cas...

Page 41: ...derneath the second digit 4 Repeat the last step until all the six digits have been set When the knob is pressed the sixth time the whole password will be entered 5 If the password is correct the following page will be shown if not the display will go back to main menu ENTER to access Program page to access the program page press the knob 11 1 UP DOWN to set new password to change the password tur...

Page 42: ... Changes and press the knob Step 3 note that you are still inside the program page so no operations are necessary to come back to it but you haven t still stored the entered setting so performing step 4 is mandatory If the equipment is used within a broadcasting system set to SLAVE and the other amplifier develops a fault the working equipment can be used alone by setting it as MASTER 11 1 b Power...

Page 43: ...enu This option sets a certain time in which the equipment automatically reduces its output power e g during some hours in the night You can set both the needed power reduction as well as the low power time in which it will be automatically set 1 In the program page 11 1 turn counterclockwise the knob scrolling down until Set power saver 2 Press the knob the Set power saver menu is shown For Power...

Page 44: ...forward power value will be about of the rated power level E G 3750W with Archimede 5000 Steps 7 and 10 the start and end time are in 24 hours format In the over stated example it will start from 1 10 A M and will end to 2 19 A M Step 7 the ending time End h m must be subsequent to the starting one Start h m otherwise the power saver time will start at the ending time and will end at the starting ...

Page 45: ... password The display will lead to the main menu 6 Note down the new password in a secure place Don t forget to note down the new password otherwise you won t be able to access again the Set Function size menu To recover a forgotten password please contact Italab Technical Support In case you forgot the new password to recover it please contact Italab Technical Support ...

Page 46: ...verhauled in our factory or in an appointed laboratory where its operation can be checked against the initial parameters In addition any necessary maintenance operations can be carried out It is also particularly important to overhauled the equipment when it has been working at high temperatures over 30 35 C Never change the original settings when the necessary complex testing equipment and standa...

Page 47: ...reshold If the reflected power exceeds the threshold the amplifier automatically gets into stand by mode STAND BY LED starts glowing Heatsink temperature over threshold the equipment mounts on the heatsink two temperature sensors see the image here below the average of their values sets the measured heatsink temperature if this value exceeds the 90 C threshold the ALARM LED glows but the unit keep...

Page 48: ...ious emissions 80dB Harmonics emissions 75dB Asynchronous AM S N ratio 65dB ref 100 AM 400Hz Synchronous AM S N ratio 60dB with FM 57kHz 400Hz R F output connector 7 16 female 7 8 EIA flange R F input connector N type Monitor connector BNC Operating temperature range from 10 to 45 C Relative humidity 90 MAX Power supply single phase 230VAC 50 60Hz single phase 230VAC three phase 220VAC three phase...

Page 49: ...ons antenna 28 Archimede 5000 power supply cable 29 exciter 29 Control panel 13 D Date and time setting 31 Digital encoder 13 Display language setting the 31 E Electrical conditions 28 Exciter maximum driving power 29 F First aid 7 Forgotten password 45 Fuses location 24 G General safety recommendations 6 General safety rules 27 H how to identify your model 11 I Input RF power Max levels 15 Instal...

Page 50: ...description control panel 13 front view 12 rear view 14 Placing the equipment climatic conditions 27 electrical conditions 28 proper room 27 Power supply cable 15 R REMOTE connector 16 RF IN maximum input power 29 RF Output connector 15 S Safety general rules 27 Safety suggestions 6 Set Function Size menu 41 T Technical features 48 Turning off 33 Type of room 27 U Use of the menus 34 Use of the mu...

Page 51: ...e 3000 4000 Top view open 55 Figure 5 Archimede 5000 Top view open 56 Figure 6 Archimede High Power series Bottom view open 57 Figure 7 Power Supply unit Circuit diagram 1 7 58 Figure 8 Power Supply unit Circuit diagram 2 7 59 Figure 9 Power Supply unit Circuit diagram 3 7 60 Figure 10 Power Supply unit Circuit diagram 4 7 61 Figure 11 Power Supply unit Circuit diagram 5 7 62 Figure 12 Power Suppl...

Page 52: ...lifiers User s manual Page 52 of 65 Figure 1 Archimede High Power series Front view MAIN MENU TURN AND PUSH TO SELECT START STOP ALARM STAND BY ON ARCHIMEDE 5000 MADE IN EUROPE DESIGN BY LAURA MICALIZZI RFP VHF FM POWER AMPLIFIER ...

Page 53: ...Archimede 5000 series FM amplifiers User s manual Page 53 of 65 Figure 2 Archimede 3000 and Archimede 4000 Rear view 12 15 16 14 13 20 19 18 17 12 GND ...

Page 54: ...Archimede 5000 series FM amplifiers User s manual Page 54 of 65 Figure 3 Archimede 5000 Rear view 19 21 18 12 12 12 14 17 I T B ...

Page 55: ... amplifiers User s manual Page 55 of 65 Figure 4 Archimede 3000 4000 Top view open Note Archimede 4000 standard version mounts a third power supply unit located in the central position between the two shown power supply units ...

Page 56: ...Archimede 5000 series FM amplifiers User s manual Page 56 of 65 Figure 5 Archimede 5000 Top view open ...

Page 57: ...57 of 65 Figure 6 Archimede High Power series Bottom view open Note the fourth amplifier module the lowest in this image is mounted only on Archimede 4000 and Archimede 5000 For details about the R F Amplifier section differences among the three models 6 4 ...

Page 58: ...Archimede 5000 series FM amplifiers User s manual Page 58 of 65 Figure 7 Power Supply unit Circuit diagram 1 7 ...

Page 59: ...Archimede 5000 series FM amplifiers User s manual Page 59 of 65 Figure 8 Power Supply unit Circuit diagram 2 7 ...

Page 60: ...Archimede 5000 series FM amplifiers User s manual Page 60 of 65 Figure 9 Power Supply unit Circuit diagram 3 7 ...

Page 61: ...Archimede 5000 series FM amplifiers User s manual Page 61 of 65 Figure 10 Power Supply unit Circuit diagram 4 7 ...

Page 62: ...Archimede 5000 series FM amplifiers User s manual Page 62 of 65 Figure 11 Power Supply unit Circuit diagram 5 7 ...

Page 63: ...Archimede 5000 series FM amplifiers User s manual Page 63 of 65 Figure 12 Power Supply unit Circuit diagram 6 7 ...

Page 64: ...Archimede 5000 series FM amplifiers User s manual Page 64 of 65 Figure 13 Power Supply unit Circuit diagram 7 7 ...

Page 65: ...User s manual Page 65 of 65 ...

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