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TEX100

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User Manual

Rev. 4.0 - 18/07/03

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Summary of Contents for TEX100

Page 1: ...Manufactured by Italy TEX100 TEX100 S User Manual Volume 1...

Page 2: ...t of this manual may be reproduced memorized or transmitted in any form or by any means eletronic or mechanic including photocopying recording or by any information storage and retrieval system withou...

Page 3: ...btain a license before using the product in intended country of use Ensure respective country licensing requirements are complied with Limitations of use can apply in respect of operating freuency tra...

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Page 5: ...nt Panel TEX100 mono version 16 6 3 Rear Panel 17 6 4 Descrizione Connettori 18 7 Technical Specifications 19 7 1 Mechanical Specifications 19 7 2 Electrical Specifications 19 8 Identification and Acc...

Page 6: ...TEX100 ii User Manual Rev 4 0 18 07 03 This page was intentionally left blank...

Page 7: ...se or incorrect usage procedures whether the users are experienced or not Users should observe local regulations and fire prevention rules while installing and using this equipment WARNING always disc...

Page 8: ...TEX100 2 42 User Manual Rev 4 0 18 07 03 This page was intentionally left blank...

Page 9: ...in writing on the forwarding receipt Any difference or damage discovered after delivery must be reported to R V R Elettronica within 5 five days from the delivery date To take advantage of the guarant...

Page 10: ...07 03 Replacement of parts under guarantee or spare parts can be ordered from the following address R V R Elettronica SpA Via del Fonditore 2 2c 40138 BOLOGNA ITALY Tel 39 051 6010506 quoting type mod...

Page 11: ...ck the breathing of the victim opening his mouth If the victim is not breathing start artificial respiration immediately Figure 2 incline the head close the nostrils apply your mouth to the victim s a...

Page 12: ...f the arms and legs are injured keep them raised If no medical help is available within an hour and the victim is conscious and has not retched administer a liquid solution of salt and bicarbonate of...

Page 13: ...eband composite input MPX The TEX100 Mono MPX version can be used for monophonic trasmission or with an external coder stereo for stereophonic transmission Both the versions include two subcarrier inp...

Page 14: ...l feedbacks protection of the final stage from excess of standing waves internal or external or from temperature excess The control circuits allow automatic control of output power internal and extern...

Page 15: ...he correct printed value corresponds with the arrow then reinsert it The current capacity of the fuses are are the follows Power supply in the mains voltage selector block 230 240V 3 15A 5X20 100 120V...

Page 16: ...he rated performances 5 2 Use Select the desired operating frequency using the corresponding selector The frequency selector comprises five figures of which the three to the left of the decimal point...

Page 17: ...e with the bypass wattmeter which should be within 10 With the power output at 100W select a new operating frequency well away from the current value at the same time will happens time that the UNLOCK...

Page 18: ...2 2Vpp Select stereo mode with the pilot tone enabled the corresponding two leds will switch on Check that the reading is 0dB measured on the 3dB FSD scale Repeat the operation for the Right In these...

Page 19: ...with both channels enabled to obtain a peak reading of MAX 75KHz 5 5 Monophonic Transmission Connect the signal source audio mixer receiver compressor etc to the MONO input this input is unbalanced a...

Page 20: ...TEX100 14 42 User Manual Rev 4 0 18 07 03 This page was intentionally left blank...

Page 21: ...tion for continuous regulation 7 SUPPLY LED When lit indicates the presence of internal operating voltages 8 SWR TEMP Indicates that the reflected power exceeds 10W 9 PWRADJ Multi turn trimmer to regu...

Page 22: ...r exceeds 10W 5 PWRADJ Multi turn trimmer to regulate the power output of the exciter AGC maintains constant the output level set by this control 6 REMOTE When lit indicates that the exciter has been...

Page 23: ...until the short is removed When used with an R V R amplifier this connector should be connected to the REMOTE output of the power amplifier 7 FAN Fan assisted cooling for the power stage and the powe...

Page 24: ...TEX100 18 42 User Manual Rev 4 0 18 07 03 2 1 3 6 4 Descrizione Connettori 6 4 1 Sinistro MONO Destro MPX Bal Tipo XLR femmina 1 GND 2 Positivo 3 Negativo...

Page 25: ...tput power Harmonic suppression 70dB Spurious signal suppression 80dB Intermodulation distorion 0 05 or less measured at 1KHz and 1 3KHz ratio 1 1 at 100 modulation Frequency stability 500Hz typically...

Page 26: ...User Manual Rev 4 0 18 07 03 Pilot tone level 20dBm adjustble Number of SCA inputs 2 SCA input impedance 1KOhm unbalanced SCA input level 0dBm per 7 5KHz of deviation SCA input response 0 5dBm from 40...

Page 27: ...em with connectors allowing for easy servicing or module substitution 8 1 1 Bottom view The figure below shows the upper view of the device with the indication of the different components 1 Audio inpu...

Page 28: ...w shows the bottom view of the device with the indication of the different components 1 Power amplifier card 2 Low pass filter 3 Audio input card 4 Main card 5 Frequency selector card 6 Meter card 7 A...

Page 29: ...er amplifier replacement The power amplifier module is constituted from a preassembled block in which are integrated circuits the power devices and the cooling fin In order to remove this module ident...

Page 30: ...il modulo di alimentazione al dissipatore Remove the switching power supply with all its cooling fin Unscrew the two fixing screws of the two rectifier bridges Desold4er the device s pins Unscrew the...

Page 31: ...ff Raise the card from its supports simultaneously sliding the switches and the INPUT LEVEL switch pivot from the panel 8 2 10 Alarms card replacement Open the top and bottom covers of the unit Discon...

Page 32: ...ecting wires Unscrew the fixing screws of the R F PowerAmplifier on the rear panel Unscrews the fixed screws of the fan on the rear panel Desolder the two supply wires of the fan from the main power s...

Page 33: ...27 42 User Manual Rev 4 0 18 07 03 figure 9 1 figure 9 2 9 Operations Theory The figure shows the block diagrams of TEX100 fig 9 1 and the TEX100 S fig 9 2 The blocks are described in the following c...

Page 34: ...iter The automatic control of output power guarantees the power level set by the PWRADJ control right across the frequency range and independantly of other variables such as temperature load variation...

Page 35: ...main unchanged Three rectifiers allow the peak levels of the two inputs Left MPX and right mono to be displayed on the analog meter and provide the audio detector circuit with the deviation level 9 4...

Page 36: ...card is fixed in the lower part of the unit This circuit contains an rotative selector that allows to adjust through 7 trimmers the threeshold of the external and internal output level internal and ex...

Page 37: ...F877Q that confront it with the signal produced by the VCO opportunely divided in base on the working frequency setted on the frequency selector The unlocked situation difference of the signal dissimi...

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Page 39: ...50 Ohm 100 W load to the RF output of the TEX100 S Connect the drawing of 40 dB 11 Fig 2 to the input of the own modulation analyzer Connect a stereo MEAS decoder to the rear FM MPX output of the F A...

Page 40: ...own modulation analyzer Inject a 400Hz 0dBm 775mVrms 2 2Vpp tone into the Mono or MPX input Configure the FAM to measure deviation with the 30Hz 200KHz FM P filters and check that it is 75KHz If not...

Page 41: ...after the replacement of any card Inject a 400 Hz 0dBm pilot tone into the Left or Right inputS Connect a bypass wattmeter between the RF output and a 50 Ohm 100W dummy load Adjust the power output t...

Page 42: ...quency setted is right If the frequency read on frequency meter is different from frequency setted on the contraves adjust the compensator placed on the TCXO accesible trhrough a little hole on the PL...

Page 43: ...nect external dummy load increase output power until 150W turning PWR ADJ trimmer clockwise Output power must increase slowly because the protection is working If this doesn t happen suspend all opera...

Page 44: ...y counter clockwise and then switch on the equipment This adjustment it s necessary when the TEX100 is connected as exciter or driver for a power amplifier Therefore it s necessary to have on last amp...

Page 45: ...User Manual Rev 4 0 18 07 03 Adjust output power at minimum turning PWR ADJ trimmer completely counterclockwise and then switch on the equipment Increase output power until 100W turning PWRADJ trimme...

Page 46: ...ve maximum output power presetted on external wattmeter Then adjust output power turning PWRADJ trimmer and note that output power can be increased over presetted value NOTE The jumpers shown in table...

Page 47: ...nput Configure the FAM to measure deviation with the 30Hz 200KHz FM P filters and check that it is 75KHz If not adjust trimmer R15 accordingly Verify correct value on TEX100 s analog meter STEREO VERS...

Page 48: ...e r e n c e a t 1 0 M H z x E x te r n a l r e fe r e n c e a t 1 M H z x E x te r n a l r e fe r e n c e a t 5 0 0 K H z x x E x te r n a l r e fe r e n c e a t 1 0 0 K H z x E x te r n a l r e fe r...

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