R.V.R. Elettronica VJ30000-TE Installation, Technical And Maintenance Manual Download Page 22

Page: 22 / 78

Data redazione: 25/07/03

R.V.R. Elettronica S.r.l. (BO)

VJ30000-TE - R.F. Tube Amplifier

TABLE G SPECIFICATION OF THE 4CX20000C TUBE

Model

4CX20000C

Anode dissipation

20000 W

Grid dissipation

200 W

Frequency for max. ratings (CW)

110 MHz

Cooling

Forced ventilation

Filament voltage

10.0 V

Filament current

140.0 A

Capacity with grounded cathode:

Input

195.0 pF

Output

22.7 pF

Feed-through

0.6 pF

Capacity with grounded grid:

Input

87.4 pF

Output

23.1 pF

Input/Output Capacity

0.08 Pf

Amplification factor

16 dB

Base

Special coaxial

Recommended air system socket

SK-320
SK-360

Recommended air chimney

SK-326

Maximum seal & Anode core

250°C

Temperature

Maximum length

24.99 mm (9.84")

Maximum diameter

22.50 mm (8.86")

Weight

9.06 Kg (20.0 Lbs)

Operating position

Vertical

Summary of Contents for VJ30000-TE

Page 1: ...redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 1 TECHNICAL AND MAINTENANCE MANUAL VJ30000 TE 30Kw Power Tetrode Amplifier 87 5 108 MHz Manufactured by R V R Elettronica I...

Page 2: ...RS 19 2 3 TUBE 20 2 4 R F CAVITY 20 CHAPTER 3 36 INSTALLATION 36 3 1 INTRODUCTION 36 3 2 UNPACKING 36 3 3 ASSEMBLY DESCRIPTION 36 3 4 ASSEMBLY PROCEDURES FOR THE INSTALLATION OF VJ3000 TE 36 3 5 TRANS...

Page 3: ...CARD 53 FIG 24 REFERENCES VIEW 54 FIG 25 INTERFACE TELEMETRY CARD 55 FIG 26 TUNINGS RELAY CARD 56 FIG 27 REFERENCES VIEW 57 FIG 28 POWER SUPPLY P1 58 FIG 29 SECTIONAL VIEW OF THE POWER SUPPLY P1 59 FI...

Page 4: ...g procedures to short out capacitors and high voltage points before servicing Any damage to the goods must be reported to the carrier in writing on the shipment receipt Any discrepancy or damage disco...

Page 5: ...ing and seal the package perfectly The customer always assumes the risks of loss i e R V R is never responsible for damage or loss untill the package reaches R V R premises For this reason we suggest...

Page 6: ...THS 1 000 HOURS L LIFE TESTED AT FACTORY IN LIEU OF AN OTHER WARRANTY 12 24 MONTHS 12 MONTHS he last category is for hardware or accessory items whwre only calendar time is involved An Original Equipm...

Page 7: ...fied in case there are some special instructions All products returned on a warranty claim must be shipped via prepaid freight and include a completed copy of a service report form a copy of which is...

Page 8: ...performed only by qualified personnel exercising due care R V R ELETTRONICA s p a shall not be responsible for injury or damage resulting from improper procedures or from the use of improperly traine...

Page 9: ...them warm b Keep them as quiet as possible c Loosen their clothing a reclining position is recommended IF PULSE ABSENT BEGIN ARTIFICIAL CIRCULATION APPROX 80 SEC ONE RESCUER 15 COMPRESSIONS 2 QUICK BR...

Page 10: ...ointment c Treat victim for shock as required d Arrange transportation to a hospital as quickly as possible e If arms or legs are affected keep them elevated NOTE If medical help will not be available...

Page 11: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 11...

Page 12: ...band The VJ30000 has been designed to use a 3 phase supply 3 phase option without neutral 1 3 FRONT PANEL DESCRIPTION The working parameters values and commands are available separately on each equip...

Page 13: ...a short time the overload protections of some amplifier s parameters J a push button that allows to reset the counting and the memories of the protections interventions occurred K a push button that a...

Page 14: ...se 32 32 36 Output Power from 500 to 25000W Antenna Impedance 50 Ohm No essential emessions less than 85dBc Frequency Stability 2 5 ppm Modulation Type F3E Preenphasis 50 o 75 micro seconds selectable...

Page 15: ...5 to 45 C Maximum installation admissible max 95 to 45 C without condensing Maximum installation height 2500 m Cooling air volume 3000 m3 h TABLE C TRANSMITTER LIMITS Standard tetrode time life 9000...

Page 16: ...oltage Tetrode driver power Reflected power of the tetrode input circuit Power supply current of the solid state PA stage Power supply voltage of the solid state PA stage Air temperature of the final...

Page 17: ...power against to driver Eccessiva corrente assorbita dal driver Driver working overtemperature Insufficient air cooling pression Service interruptions for not lock rack panels personal safety Total p...

Page 18: ...for high voltages in film in no PCB oil no polarized Power resistors not connected in series to tetrode anode power supplies of the final stage to limite the energy of possible anodic discharges Stabi...

Page 19: ...r is obtained when is evidence a particular effect of the IG2 current if the input power increase on the tetrode there is a big increasing of the IG2 current but the output power doesn t increase more...

Page 20: ...ic metal power tetrode intended for use as a VHF power amplifier It features a type of internal mechanical structure which results in high RF operating efficiency Low RF losses in this structure permi...

Page 21: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 21 The socket is situated in the bottom section into which the tube is inserted...

Page 22: ...0 0 V Filament current 140 0 A Capacity with grounded cathode Input 195 0 pF Output 22 7 pF Feed through 0 6 pF Capacity with grounded grid Input 87 4 pF Output 23 1 pF Input Output Capacity 0 08 Pf A...

Page 23: ...stability 2 5 ppm 10khz steps output power from 0 to 30W adjustable with LCD graphic display 5 Free Panel 6 Free Panel 7 Free Panel 8 30 Kw amplifier cooling air input filters 9 Hight tension panel 1...

Page 24: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 24 FRONT VIEW 16 15 14 13 12 11...

Page 25: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 25 FIG 2 REAR VIEW 1 Rear cavity panel 2 Air filter panel 3 Pass through power supply cables panel 4...

Page 26: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 26 4 Instruments rear Panel FIG 3 HINGED FRONTAL PANEL WITH TELEMETRY...

Page 27: ...al reset of analog instrument for the measure of the forward and reflected power 6 ENCODER Encoder for telemetry connection optional 7 ENCODER SWITCH Key switch to enable the telemetry optional 8 EMER...

Page 28: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 28 FIG 4 TOP VIEW DESCRIPTION 1 Out connectors 2 hot air outlet 3 3 1 8 R F output REAR PANELS FRONT PANELS...

Page 29: ...CTIONS CARD DESCRIPTION 1 Utilities protection switch 2 Working parameters measurement card This card picks up all electrical measures of the power grid tube in order to send the requested signals tow...

Page 30: ...Amplifier 30 FIG 6 R F CAVITY S FRONT VIEW DESCRIPTION 1 HIGT VOLTAGE SHORT CIRCUIT 2 VARIABLE CAPACITOR MOVING SURFACE WITH FINGERS 3 KAPTON 4 TEFLON RING TO PROTECT ELECTRIC ARC 5 COLLAR FOR 4CX200...

Page 31: ...ata redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 31 FIG 7 WATTMETER VIEW DESCRIPTION 1 LOW PASS FILTER 2 WATTMETER 3 6 COVER THREAD BARS 4 AIR FLOW CHIMNEY 5 TUNING MOTO...

Page 32: ...a S r l BO VJ30000 TE R F Tube Amplifier 32 FIG 8 R F CAVITY LEFT SIDE VIEW DESCRIPTION 1 LOW PASS FILTER 2 3 1 8 R F OUTPUT WITCH MOTOR LOAD 3 INPUT TUNING ADJUST INPUT GRID ADJUST 4 VG1 INPUT VOLTAG...

Page 33: ...redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 33 FIG 9 VOLTAGE STABILIZER DESCRIPTION 1 ADJUSTABLE AUTOTRANSFORMER 2 SERVOMOTOR 3 CONTROL CIRCUIT 4 SOCKET 5 SERIES TRANSF...

Page 34: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 34 FIG 10 R F CAVITY S REAR VIEW DESCRIPTION 1 LOW PASS FILTER 2 3 1 8 OUTPUT 3 FILAMENT TRANSFORMER 4 PRESSURE SENSOR...

Page 35: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 35 FIG 11 DETAIL REFERENCE CAPSCREW...

Page 36: ...nd to place one rack near to the other in vertical position Then you must connect the two racks by the apposite cap screws that are fixed on the rear part of the rack with n 4 Allen scrwes M8 fig 8 Th...

Page 37: ...Celflex cable to the 7 16 connector placed on the input cavity under the input air cavity pipe To complete the assembling of the equipment it s necessary to mount output air chimney with the BNC conn...

Page 38: ...ended these operations the connection to the mains voltage is completed 3 5 TUBE INSTALLATION Only when the equipment is correctly connected to mains voltage it s possible to install the tube inside o...

Page 39: ...ly are inserted in two different steps at 2 seconds one from the other at last is enabled the modulator working In this transmitter configuration the tube is supplied on the anode for this reason it s...

Page 40: ...Repeat this sequence of operations increasing of the input power correction of the input tuning for the minimum value of the reflected power on the driver adjusting of the antenna coupling and final f...

Page 41: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 41 FIG 12 TUBE INSTALLATION DIAGRAM N 1 NOTE SCREWS FOR REMOTION FRONT PANEL...

Page 42: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 42 FIG 13 TUBE INSTALLATION DIAGRAM N 2 Plate pipe Grid Plate...

Page 43: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 43 FIG 14 TUBE INSTALLATION DIAGRAM N 3 Plate pipe Grid Plate...

Page 44: ...er and the removal of dust from the tube cavity The period between such action will depend on ambient operating conditions such as temperature air borne dust levels and humidity It is advisable to che...

Page 45: ...with the protective net fig 9B 8 Loosen the anode tube fixing collar fig 9B 9 Raise the anode tube as far as possible and keep it in that position 10 To re fit the tube follow the procedure described...

Page 46: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 46 FIG 15 I O RACK CONNECTORS A I O Rack Connectors B Reference View...

Page 47: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 47 FIG 16 I O RACK CONNECTORS...

Page 48: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 48 FIG 17 REFERENCE VIEW...

Page 49: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 49 FIG 18 R F CIRCUIT A Circuit Diagram...

Page 50: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 50 FIG 19 MEASURE CARD A Circuit Diagram B Layout...

Page 51: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 51 FIG 20 380V CIRCUIT A Circuit Diagram...

Page 52: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 52 FIG 21 LOW TENSION CIRCUIT A Circuit Diagram FIG 22 MEASURE ALLARMS LOW TENSION CIRCUIT A Circuit Diagram...

Page 53: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 53 FIG 23 POWER RELAY CARD B Circuit Diagram C Reference View...

Page 54: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 54 FIG 24 REFERENCES VIEW...

Page 55: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 55 FIG 25 INTERFACE TELEMETRY CARD A Circuit Diagram...

Page 56: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 56 FIG 26 TUNINGS RELAY CARD A Circuit Diagram B Reference View...

Page 57: ...l BO VJ30000 TE R F Tube Amplifier 57 FIG 27 REFERENCES VIEW APPENDIX B CONSTRUCTION DETAILS AND COMPONENTS DESCRIPTION This appendix contains construction details cables numeration and of some compon...

Page 58: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 58 FIG 28 POWER SUPPLY P1...

Page 59: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 59 FIG 29 SECTIONAL VIEW OF THE POWER SUPPLY P1 1 SOCKET OF THE ANODE SUPPLY TRANSFORMER...

Page 60: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 60 FIG 30 POWER SUPPLY P2...

Page 61: ...redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 61 FIG 31 SECTIONAL VIEW OF THE POWER SUPPLY P2 1 BLOWER 2 FILAMENT TRANSFORMER 3 RESISTORS 4 INDUCTOR 5 POWER SOCKET 6 CAPA...

Page 62: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 62 FIG 32 PROTECTIONS PLANE...

Page 63: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 63 FIG 33 REFERENCE VIEW...

Page 64: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 64 FIG 34 RESISTORS PLANE...

Page 65: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 65 FIG 35 RESISTORS PLANE...

Page 66: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 66 FIG 36 REFERENCE VIEW...

Page 67: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 67 FIG 37 TUNING MOTOR LOAD...

Page 68: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 68 FIG 38 REFERENCE VIEW...

Page 69: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 69 FIG 39 RHEOSTATS INTERNAL VIEW...

Page 70: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 70 FIG 40 REFERENCE VIEW...

Page 71: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 71 FIG 41 PJ1000 PROTECTION SWITCH PROTECTION FUSES...

Page 72: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 72 FIG 42 REFERENCE VIEW...

Page 73: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 73 FIG 43 INPUT SOCKET...

Page 74: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 74 FIG 44 REFERENCE VIEW...

Page 75: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 75 FIG 45 UTILITIES SOCKET FIG 46 REFERENCE VIEW...

Page 76: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 76 FIG 47 HIGHT TENSION PANEL...

Page 77: ...e n 156 0V in cable n 30 12V out cable n 31 0V out Pressure Sensor cable n 11 cable n 13 Tuning Motor Tune cable n 88 cable n 89 Hours Meter cable n 65 cable n 63 Safety Button cable n 58 cable n 57 C...

Page 78: ...Data redazione 25 07 03 R V R Elettronica S r l BO VJ30000 TE R F Tube Amplifier 78 or by any information storage and retrieval system without permission in writing from the publisher...

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