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1.2 TECHNICAL CHARACTERISTICS

RF SECTION

Frequency range

470 - 860MHz

Output power

250W

Gain

13dB +/-1

RF Input impedance

Ω

RF Output impedance

Ω

I.M.D. (3 Tones: -8, -10, -16dB)

< -54dB (with IF Pre-corrector)

RF Spurious products

Better than -60dB

Filter insertion loss

< = 0,6dB

RF Input connector

N Female

RF Output connector

N Female

GENERAL

Power Supply

90-260VAC

Typical power consumption

600VA (Black)

RS232 Socket

DB9 Connector

Telemeasuring socket

DB9 Connector

Cabinet

Rack 19”-4U

Dimensions

421x368x178mm

Weight

25kg

Ambient temperature

-5° to +45°C

Humidity

20% - 90%

PROTECTION THR.

FWD Power

300W

REF Power

20W

Temperature

70°C

14A

Min 5V - Max 34V

Содержание AUTV/250LD

Страница 1: ...AUTV 250LD LDMOS UHF TV Solid State Amplifier CODE APT134A TITLE AUTV 250LD REV 0 DATE 06 11 03 ...

Страница 2: ... 96 Km 113 70027 Palo del Colle Ba ITALY Tel 39 0 80 626755 Fax 39 0 80 629262 E mail elettronika elettronika it Web site http www elettronika it Registration number IT 17686 Registration number IT 24436 ...

Страница 3: ...the description and the type normally used The Elettronika S r l though reserves the right to use or supply as spare parts components with equivalent characteristics but of a different type assuring anyway the optimal work of the apparatus in accordance with the specifications The enclosed monographs are solely owned by Elettronika S r l The use of anything enclosed in this technical manual withou...

Страница 4: ... factory pack or equivalent which if needed may Desclaimer of consequential and incidental damages You are not entitled to recover from us any consequential or incidental damages resulting from any defect in our product This includes any damage to another product or products resulting from such a defect Warranty alterations No person has the authority to enlarge or modify this warranty The warrant...

Страница 5: ...in the various sections Before starting to use the apparatus remember to read carefully the general safety information contained in this section follow the instructions for the installation and set up of the apparatus read all the remaining sections of this manual in order to know well the apparatus and learn how to obtain the best of its characteristics CONTENTS OF THE MANUAL The chapter composin...

Страница 6: ...ing due care Elettronika S r l shall not be responsible for injury or damage resulting from improper procedures or from the use of improperly trained or inexperienced personnel performing such tasks During installation and operation of this equipment local building codes and fire protection standards must be observed WARNING Always disconnect power before opening covers doors enclosures gates pane...

Страница 7: ...not breathing begin artificial breathing Tilt head pinch nostrils make airttght seal 4 quick full breaths Remember mouth to mouth resuscita tion must be commenced as soon as possible C CIRCULATION Check carotid pulse If pulse absent begin artificial circulation Approx 80sec 1 rescuer 15 compressions 2 quick breaths Approx 60sec 2 rescuers 5 compressions 1 breath NOTE DONOTINTERRUPTRHYTHM OFCOMPRES...

Страница 8: ...clothing or apply any salve or ointment treat victim for shock as required arrange transportation to a hospital as quickly as possible if arms or legs are effected keep them elevated NOTE If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of baking soda to ...

Страница 9: ...containsleadinsoldering cables etc Thissubstancepollutestheenvironment andmaybeaccumulatedintheorganismofplantsandmammals Itisdangerousforhumansbecauseitmay affect blood bone marrow peripheral and central nervous system and kidneys causing anaemia encephalopathies e g convulsions peripheralneuropathies crampsoftheabdomenandkidneydamages Besidesitaffectshumanreproductionandgrowth Thesedevicesalsoco...

Страница 10: ...10 This page is intentionally blank ...

Страница 11: ...11 LDMOS UHF TV AMPLIFIER AUTV 250LD User s manual ...

Страница 12: ...12 This page is intentionally blank ...

Страница 13: ...13 Section 1 Information Contents 1 1 Description 1 2 Technical characteristics ...

Страница 14: ...nology The power supply of the apparatus is given by a switching power supply for the RF power module and a traditional transformer for the control board The protection board uses all the potential of a microprocessor to check all the parameters of the amplifier module and the voltage of the power supply Anoutputband passfilterprovidesfortheattenuationofthespuriousproducts Thefinalresultisacompact...

Страница 15: ...ts Better than 60dB Filter insertion loss 0 6dB RF Input connector NFemale RF Output connector NFemale GENERAL Power Supply 90 260VAC Typical power consumption 600VA Black RS232Socket DB9 Connector Telemeasuring socket DB9 Connector Cabinet Rack 19 4U Dimensions 421x368x178mm Weight 25kg Ambient temperature 5 to 45 C Humidity 20 90 PROTECTION THR FWD Power 300W REFPower 20W Temperature 70 C IDC 14...

Страница 16: ...16 This page is intentionally blank ...

Страница 17: ...Installation Contents 2 1 Operating environment 2 2 Preliminary operations 2 3 Telemeasuring socket connections 2 4 RS232 RS485 Socket connections 2 5 Control system 2 6 Preventive maintenance Front panel Rear panel ...

Страница 18: ... important for maximum performance and reliability Antenna and earth connections must be installed with the greatest care The equipment adjustment isn t need because the unit is completely adjusted by our technical staff This is the installation procedure 1 connect the power supply cable of the transmitter to the auxiliary socket on the rear panel of the amplifier 2 connect the power supply cable ...

Страница 19: ...OUT FUNCTION 1 Ground 2 Analog Output FWD Power 0 to 5V 3 Digital Input Floating ON GND OFF Valid only in remote Pin 6 GND 4 Digital Output 0 Alarm 1 No alarm TTL Level 5 Not used 6 Digital Input Floating Local GND Remote Pin 3 Command accepted 7 Analog Output REF Power 0 to 5V 8 Analog Output Temperature 0 to 5V 9 Not used 2 4 RS232 RS485 SOCKET CONNECTIONS The DB9 connector can be used in two mo...

Страница 20: ... ALARM the LED ALARM is lit when the transmitter has been turned off due to a failure 2 6 PREVENTIVE MAINTENANCE To ensure maximum performance and minimum repair trouble we strongly recommend you to follow the below stated headlines for preventive maintenance 1 check antenna installation and ground connection at regular intervals 2 keep your apparatus clean and dry externally this will ensure cont...

Страница 21: ...21 Front panel 2 3 4 5 1 DESCRIPTION 1 LCD Display 2 RF Monitor connector 3 Function keys 4 Status LEDs 5 Main switch ...

Страница 22: ...22 GND 1 5 4 6 7 3 2 DESCRIPTION 1 Power supply socket 2 Auxiliary socket 3 Breaker 4 RS232 Socket 5 Telemeasuring socket 6 RF Output connector 7 RF Input connector Rear panel ...

Страница 23: ..._____ Section 3 Diagram Contents Cable diagram AUTV 250LD Component layout RF Section Block Diagram SCH0192AR0 250W UHF LDMOS Amplifier module SCH0122BR1 Control board and display SCH0128AR1 Amplifier interface E0012 SP500 27 48 Switching power supply 06604A UHF TV Output Filter IMD Suppressor ...

Страница 24: ...24 ...

Страница 25: ...25 ...

Страница 26: ...26 ...

Страница 27: ...esRFsectionamplifier biascircuit protectioncircuitand matchingnetworks AsilverplatedcopperplateisbrazedwithPCBinordertoobtainlowthermalresistance Providingaminimumof200WPksynclinearpower thismoduleistheperfectamplifierforanybroadband UHFpowertransmitter TECHNICALCHARACTERISTICS Output power 300Wmax Input power 15Wmax Frequency 470 860MHz Gain 13dB LDMOS Power supply 32V 2 LDMOS Bias current 32V Vd...

Страница 28: ... the 470 860MHz band 1dB Compare to the typical curve eclosed Adjustment procedure Polarisationcurrentcalibration 32V stabilised power supply 10A amperometer Gaincurve Network analyser Adjustment points description R7 R8 Trimmers Adjust the current absorbed in stand by 1 0A per device Middle frequency 660MHz span 500MHz 2dB div reference to the arrow Curve response graphic ...

Страница 29: ...movingtherelevanttrimmer R7 R8 STEP3 Check the work of the protections Set both trimmers so that there is a value of about 4 5V on the pads of the gates solder some wire to the pad between the two LEDs next to the serigraphy of the input hybrid H1 in order to check the work of the protections aboard a power of about 4V has to be supplied to the wire for example by touching with it the reophore of ...

Страница 30: ...ther device left on STEP 9 Check the response curve of the module by means of the network analyser STEP 10 Check the response curve for low signal with centre 660MHz and span 500MHz 2dB div STEP11 The curve should be similar to the one enclosed with a tolerance of 0 5dB To obtain this act on the four trimmers C41 C41a and C42 C42a with the proper calibrator inorder to flatten the curve as muchaspo...

Страница 31: ...31 Component layout SCH0192AR0 ...

Страница 32: ...32 ...

Страница 33: ...W1206SMDRESISTOR 00012A R21 3 9Ω1 4W1206SMDRESISTOR 00012A R22 3 9Ω1 4W1206SMDRESISTOR 00012A R23 1000Ω1W2512SMDRESISTOR 00396 R24 1000Ω1W2512SMDRESISTOR 00396 R25 R15 da montare se si inverte l ingresso R26 R26 da montare se si inverte l uscita C1 470uF50VPTHELECTROLYTICCAPACITOR 01807B C2 470uF50VPTHELECTROLYTICCAPACITOR 01807B C3 470uF50VPTHELECTROLYTICCAPACITOR 01807B C4 100uF50VPTHELECTROLYTI...

Страница 34: ...470pFATC100BCAPACITOROREQUIVALENT 01143 C39 4 7pFATC100BCAPACITOROREQUIVALENT 01108 C40 4 7pFATC100BCAPACITOROREQUIVALENT 01108 C41x2 2x1 5pFJOHANSONSMDTRIMMER 1485 C42x2 2x1 5pFJOHANSONSMDTRIMMER 1485 C43 3 6pFATC100BCAPACITOROREQUIVALENT 01104B C44 3 6pFATC100BCAPACITOROREQUIVALENT 01104B C45 6 8pFATC100BCAPACITOROREQUIVALENT 01111 C46 6 8pFATC100BCAPACITOROREQUIVALENT 01111 C47 6 8pFATC100BCAPA...

Страница 35: ...RNCOIL L4 TURNCOIL H1 HYBRIDCOUPLER3dB 90 ANAREN 05368 H2 HYBRIDCOUPLER3dB 90 SAGE 05369 NTC1 NTC100KΩPTH 00661 NTC2 NTC100KΩPTH 00661 IC1 DG419DY 04583 IC2 DG419DY 04583 DZ1 15VSMDZENERDIODE 03135 DZ2 15VSMDZENERDIODE 03135 DZ3 6 8VSMDZENERDIODE 03137 DZ4 6 8VSMDZENERDIODE 03137 DL1 SMDLEDDIODE RED 03056 DL2 SMDLEDDIODE RED 03056 PN964AR3 PCB 0643K Torretta 3x10 f f V0774 Imballovelapack 200x125x...

Страница 36: ...troltheamplifier Whentheoperatorturnstheamplifieronthedisplayshowsthesoftwarereleasenumber After a few seconds the amplifier is switched on and the first parameter shown on the display is the forward RF power FWD Power When a value read is out of the allowed boundaries the microcontroller activates after five scans to be sure thecorrespondingalarmindicatingthisonthefirstlineofthedisplay andshowing...

Страница 37: ...37 Note When changing the voltage of the device from 230 to 110VAC it also takes acting on the SW3 switch on the display board Failure to do this may result in damages to the device ...

Страница 38: ...38 ...

Страница 39: ...39 ...

Страница 40: ...EREGULATOR 1 IC12 IC78M124307B 04307BSMDVOLTAGEREGULATOR 1 IC11 IC79M0804304A 04304ASMDVOLTAGEREGULATOR 1 IC14 ICINA168 04600ASMDINTEGCIRCUIT 2 IC6 7 ICLM393 S04639 04639SMDINTEGCIRCUIT 1 IC5 ICLMV324M S04658B 04658BSMDINTEGCIRCUIT 2 IC4 IC8 ICMAX232 S04804B 04804BSMDINTEGCIRCUIT 1 IC2 ICMAX3080 S04770 04770SMDINTEGCIRCUIT 1 IC1 ICMC14094BD04718 04718SMDINTEGCIRCUIT 1 IC9 ICPIC16F8774869 04869 075...

Страница 41: ...1 S00061B 00061BRES1 4W1 SMD1206 3 R30 R35 R43 R4K7 1 S00049B 00049BRES1 4W1 SMD1206 3 R16 17 R21 R68K 1 S00063B 00063BRES1 4W1 SMD1206 4 R15 R19 R25 26 R8K2 1 S00052B 00052BRES1 4W1 SMD1206 1 R18 RL40 31 1207567 07567RELE 3 RLY1 3 RV10K 3266X00807 00807VARIABLERESISTOR 2 R7 R11 SWSWITCH 8DIP 07530APCBDIPSWITCH 1 SW1 SWVSS0033 4604 07519ACAMBIOTENSIONESERIALE 1 SW3 T06086N76307632 76307632KTI06086...

Страница 42: ...ector has to be connected to the corresponding one of the SCH0122BR0 board The LM317HV IC1 integrated circuit is an adjustable 3 terminal positive voltage regulator used to make more stable the power supply voltage of the amplifiers fan The LM35DT IC2 integrated circuit is a precision temperature sensor whose output voltage is proportional to the Celsius Centigrade temperature It does not require ...

Страница 43: ...43 ...

Страница 44: ...RCUIT 1 IC1 IC LM35DT 00664 00664 INTEG CIRCUIT 1 IC2 J FC 16P 02701 02700 02701 02700 PCB CONNECTOR POL 1 J2 J SCREWCONN2 02853 02853 PCB SCREW CONNECTOR 1 J1 JU JUMP2 02739 02742 02739 02742 MASCHIO PAN2 2 JP1 2 R 0R02 RES 20W 1 2 R1 R7 R 220R 0033 0033 RES 1 4W 5 1 R3 R 270R 0034 0034 RES 1 4W 5 1 R2 R 4K7 0049 0049 RES 1 4W 5 1 R4 R R400m NOT MOUNTED NOT MOUNTED 2 R5 6 ...

Страница 45: ...ling Fan ON OFF control Built inremotesensefunction Fixedswitchingfrequencyat110kHz MECHANICALSPECIFICATION 170 150 5 0 9 3 2 M3 L 16mm max 2 M3 L 4mm max 9 5 11 5 8 11 5 120 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 7A 50 60Hz 100 240VAC INPUT AC S V 24V 20A S VADJ SP 500 24 E 183223 LE V EL5 R C G L N FG NC NC R C PIN N ASSIGNMENT PIN N ASSIGNMENT 1 AC L 7 R C 2 AC N 8 S 3 FG 9 11 DC OUTPUT V 4 5 NC 1...

Страница 46: ...7 2V Protection type Hiccup mode recovers automatically after fault condition is removed FAN CONTROL O T P RTH1 or RTH2 50 C FAN ON 45 C FAN OFF 70 C output shutdown FUNCTION REMOTE CONTROL RC RC Short power on Open power off ENVIRONMENT WORKING TEMP 10 50 C Refer to output load derating curve WORKING HUMIDITY 20 90 RH non condensing STORAGE TEMP HUMIDITY 20 85 C 10 95 RH TEMP COEFFICIENT 0 03 C 0...

Страница 47: ...47 DERATINGCURVE OUTPUTDERATINGVS INPUTVOLTAGE AMBIENT TEMPERATURE LOAD 10 0 10 20 30 40 45 50 HORIZONTAL 20 40 60 80 100 INPUT VOLTAGE V 60Hz 115 88 135 155 230 264 90 100 80 70 60 50 40 LOAD ...

Страница 48: ...idth 8MHz Selectivity V C 5 5 11 30dB Selectivity V C 11 16 5 22dB Weight 1 2kg 3SECTIONBANDPASSFILTERWITH2NOTCHELEMENTS COMB LINESTRUCTURE INDUCTIVECOUPLING IRISES CONSTANT BANDWIDTH VERY EASY TO TUNE EXACT GENERALIZED CHEBISHEV DESIGN GIVING MAXIMUM SELECTIVITYAND MINIMUM GROUP DELAY VARIATION UHF TV OUTPUT FILTER IMD SUPPRESSOR 06604A ...

Страница 49: ... INSTRUCTIONS The advised sequence is the following 1 Set the instrument state as follows C F V C S C 2 SPAN INTERCARRIER 5 E G 27 5MHz std B G TRANSMISSION SCALE 5dB div REFLECTION SCALE 5dB div 2 Turn the bandpass section on the required channel and match input and output until a correct response is achieved During this step keep the tunings of the two notches well far away from the response Fit...

Страница 50: ...uence in small steps aiming to improvethematching SPECIFICATION OVER THE UHFBAND SAMPLE FREQUENCY RESPONSE DIAGRAM MEASURE VALUE Insertion loss V C 0 65dB Typ 0 56 Return Loss from V C 0 75 to S C 0 25 26dB Attenuation V C INTERCARRIER 25 Attenuation V C INTERCARRIER 20 Date D T ...

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