DB Elettronica Telecomunicazioni CTX 5 User Manual Download Page 61

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ELETTRONICA TELECOMUNICAZIONI S.p.A.

Pag. 61/86

Item

Quantity Reference

Part

PCB

Footprint

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11

2 REF,IF SMB

INPUT

SMB

90°

1 J1

FLAT

VIE

5X2

1 J2

PS3

0603

1 J3

PS3

0603

2 L1,L2

22nH

0603

1 L3

TC4-19+

1 L5

TC1-1-13M

2 Q2,Q1

BC847

SOT23

1 RF

SMB

OUTPUT SMB

90°

4 RX1,RX2,RX3,RX4

50R

uSTRIP

21 1 R1 12K

0603

6 R2,R10,R13,R24,R27,R32

0603

23 2 R4,R3

820R

0603

5 R6,R9,R15,R17,R22

0603

4 R7,R16,R18,R23

1K5

0603

1 R8

51K

0603

1 R12

10K

3214W

4 R19,R20,R21,R36

10K

0603

2 R29,R31

330R

0603

1 R30

18R

0603

1 U1

RF2052 QFN32

5X5

1 U2

UA78M33

SOT223

1 Y1

OSC

10MHz

VCTCX0

Summary of Contents for CTX 5

Page 1: ...ZIONI S p A Pag 1 86 CTX 5 10 20 5W 10W 20W Analog TV Exciter UHF Band User s Manual Release 1 2 DB ELETTRONICA TELECOMUNICAZIONI SpA Riviera Maestri del Lavoro 20 1 35127 Padova Ph 39 049 8700588 E m...

Page 2: ...YSTEM MENU 20 7 FREQUENCY CHANGE 21 8 AUDIO AND VIDEO MODULATOR BOARD 24 9 PRECORRECTION AND UP CONVERTER BOARD 42 9 2 FRONT PANEL TRIMMERS 43 10 OSCILLATOR AND MIXER 60 11 5 WPS FINAL AMPLIFIER MODUL...

Page 3: ...ront panel buttons with a precision of 1 Hz thanks to the high precision oscillator present on the up converter module It is also possible to have any locking to a 5MHz or 10 MHz external standard osc...

Page 4: ...ipment 10 Audio 2 input output connectors 11 Audio 1 input output connectors 12 Video input output connectors 13 LAN port RJ 45 interface 14 RS 485 port 15 CNTRL OUT port it gives NC NO and common con...

Page 5: ...Video Modulator 0001 000109 00 3 2nd audio option 4 Final amplifier part 5 Switching Power supplies RS 150 24 6 Display board 001 000113 00 7 Switching power supply board nr 1 001 000070 00 for the ge...

Page 6: ...CAZIONI S p A Pag 6 86 Internal bottom view 9 Pre correction and Up converter boards 001 000114 00 10 External reference oscillator 5 10 MHz 001 000112 00 11 Oscillator and Mixer 001 000081 00 12 Band...

Page 7: ...und version available Environmental data Environment temperature operating range 0 C to 50 C Maximum allowable relative humidity 95 Power supply 165 280 VAC single phase 50 60 Hz 2 Power factor 0 9 In...

Page 8: ...r stability 0 50 C 2 5 ppm year with optional high stability 0 5 ppm year L O frequency resolution 50kHz steps standard version 1Hz steps with DDS precision offset option 1 Audio Input XLR two double...

Page 9: ...connectors are properly connected To prevent damage to the amplifiers it is essential that either the feeder and antenna system or the dummy load have a good in band return loss Failure to observe the...

Page 10: ...AGC If you have at your disposal a signal demodulator connect it to the RF MONITOR connector of the CTX unit if it works as stand alone otherwise the one of the transmitter and adjust the SYNC value...

Page 11: ...CONFIGURATIONS AUDIO Opt AUDIO 1 SUBCARRIER 0 0 0 On AUDIO 2 SUBCARRIER 0 0 1 On AUDIO 1 LOW PASS 0 0 2 On AUDIO 2 LOW PASS 0 0 3 On AUDIO 1 PREENPHASY 0 0 4 On AUDIO 2 PREENPHASY 0 0 5 On AUDIO 1 Dev...

Page 12: ...0 1 1 30 VIDEO LEVEL 0 1 2 0500 mV AGC type 0 2 3 ALC IF Precorrector 0 2 4 On RF Switch 0 2 5 On AUDIO Options 0 1 X VIDEO Options VIDEO WHITE CLIPPER VIDEO Carrier Frequency 0 2 0 725250000 Hz RF LE...

Page 13: ...vel 50KHz AUDIO 1 PLL LOCKED 1 0 2 AUDIO 2 PLL LOCKED AUDIO Info 1 1 X VIDEO Info VIDEO levels 1 1 0 VIDEO Amplitude 1024 mVpp VIDEO IF Level 12dBm 1 1 1 VIDEO PLL LOCKED VIDEO Info 1 2 X OUTPUT Info...

Page 14: ...arms List 1 4 0 NO VIDEO INPUT ALARMS 1 5 X WARNINGS List WARNINGS list 1 5 0 NOT ENABLED SYSTEM MENU STATUS 2 X X SYSTEM SYSTEM Data SYSTEM Info 2 0 X SYSTEM Control Local Remote Remote 2 0 0 Off SYS...

Page 15: ...page the indication X X X on the top right corner indicates the depth of the navigation each submenu starts from page 0 Each page of the menu indicates on the top the previous sub menu and in the sec...

Page 16: ...lter is inserted or not in case of MONO transmission the low pass filter is always inserted The third page indicates if the preemphasis is inserted or not The 4th page indicates the level of the devia...

Page 17: ...ue depends on the video source used by the customer Normally the video level is set to 1 Vpp OUTPUT OPTIONS This menu allows to set the parameters related to the RF output signal In the first menu pag...

Page 18: ...Control and MLC Manual Level Control In the 4th page it is possible to decide if the IF Precorrector must be inserted or not In the 5th page it is possible to decide if the CTX is used as modulator o...

Page 19: ...ideo signal are indicated Amplitude level IF level if the PLL is locked or not OUTPUT INFO In this submenu all the information related to the normal functioning of the unit are indicated heatsink inte...

Page 20: ...em menu allows the change of the mode from LOCAL to REMOTE and the visualization of the main data of the unit standard hardware and firmware versions SYSTEM CONTROL In this page it is possible to set...

Page 21: ...requirements All amplification circuits are broadband from 470 to 860 MHz then the power amplifiers don t need any adjustment WARNING In any case any equipment modification or variation must be made...

Page 22: ...mers you see on the front panel hole it is possible to have access at the variable capacitors TC1 TC2 TC3 TC4 regulating the bandwidth and the attenuation of the filter using a screwdriver Rotate slow...

Page 23: ...ICA TELECOMUNICAZIONI S p A Pag 23 86 Fig 7 3 BPF O ADJUSTING SPECTRUM ANALYZER VIEWS UHF CASE INSERTION LOSS 1 5 dB The pictures refer to the UHF case please do the same in case of VHF functioning of...

Page 24: ...ising corrections of linearity differential phase differential gain and white clipping Proper amplitude modulation of the IF vision carrier with the formerly processed video signal The modulation is e...

Page 25: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 25 86 Audio and video modulator layout...

Page 26: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 26 86 Electrical diagrams...

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Page 42: ...linearity is responsible for the following distortions differential gain differential phase incidental phase modulation static non linearity intermodulation mostly significant in the amplifiers for n...

Page 43: ...L measure 4 TR 27 Adj of the display Up converter RF level measure normally 0 dBm 5 TR 7 Adj of the RF output level in case of derating external command for the load unbalance 6 TR 9 Adj of the RF out...

Page 44: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 44 86 Pre correction and up converter board top view...

Page 45: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 45 86 Precorrection and Up converter board electrical diagrams...

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Page 60: ...arts List Item Quantity Reference Part PCB Footprint ___________________________________________________________________ 1 8 C1 C3 C5 C12 C17 C20 C21 33pF 0603 C22 2 4 C2 C4 C6 C16 10nF 0603 3 1 C7 47...

Page 61: ...3 15 2 L1 L2 22nH 0603 16 1 L3 TC4 19 17 1 L5 TC1 1 13M 18 2 Q2 Q1 BC847SOT23 19 1 RF SMB OUTPUT SMB 90 20 4 RX1 RX2 RX3 RX4 50R uSTRIP 21 1 R1 12K 0603 22 6 R2 R10 R13 R24 R27 R32 0R 0603 23 2 R4 R3...

Page 62: ...330pF R18 1K5 3 3VDC U1 RF2052 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 30 ENBL INDP INDN REXT ANA_DEC LFILT1 LFILT2 LFILT3 MODE XTALIPP XTALIPN GND RFIP1P...

Page 63: ...ra linear characteristics of the devices present on the boards in this way it is possible to obtain up to 7 Wps in analog mode that correspond to 2 6 Wrms in digital standards Technical Characteristic...

Page 64: ...st Item Quantity Reference Part PCB Footprint ______________________________________________ 1 5 C1 C2 C3 C4 C6 1nF 0603 2 1 C5 2 7pF 0603 3 1 C7 10 F 25V 4 2 C10 C8 100nF 0805 5 3 C9 C11 C13 1nF 0805...

Page 65: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 65 86 RF Final Amplifier Stage 1 of amplification pcb 1W output Electrical Diagram...

Page 66: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 66 86 Band UHF RF Final Amplifier Last stage of amplification pcb 5 Watt output 001 000117 01 Lay out...

Page 67: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 67 86 Band UHF RF Final Amplifier Last stage of amplification pcb 5 Watt output Electrical Diagram...

Page 68: ...18p HQ 4 C18 C19 C35 C37 C_0805 HIGH Q NC 4 C21 C28 C_0805 470nF 2 CMB1 CMB2 ANAREN 11304 ANAREN 11304 2 D1 D6 LL4148 SOD123 X 85 2 D2 9V1 DSO C2 X2 3 1 D5 D7 HSMS 2802 BLK SOT23 2 IC1 7812 D2PAK 1 L1...

Page 69: ...2 C33 R15 R13 R20 C16 R2 C7 R3 R1 C4 IC1 C15 C14 D1 D2 C12 C13 R4 C10 C22 C19 R5 D3 C21 C20 D4 IC2 C23 Q2 C27 C18 C17 R21 C28 R9 R8 R11 R19 D6 D7 CQ CQ CQ R Ctan i o i o Ctan R C R C R R R C R CQ R R...

Page 70: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 70 86 Band UHF RF Final Amplifier Last stage of amplification pcb 10 20 Watt output Electrical Diagram...

Page 71: ...13 1 C28 5 6pF HQ 1210 14 2 C30 C32 470nF 1206 15 2 C36 C35 100R 1W 2512 16 2 C38 C37 NC 2512 17 1 C39 4 7pF H Q 1210 18 1 C40 12pF H Q 1210 19 1 C41 3 6pF H Q 1210 20 2 C49 C43 8 2pF HQ 1210 21 2 C4...

Page 72: ...e present to indicate if the equipment is switched on mains presence if an alarm is present and any warning message that can indicate the variation on the normal status of the equipment Display indica...

Page 73: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 73 86 Display pcb Lay out Front and Rear views...

Page 74: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 74 86 Display pcb electrical diagrams...

Page 75: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 75 86...

Page 76: ...requested because the access is with a normal web browser Internet Explorer 6 protected with password and accessible only with the IP address given to the customer at the moment the equipment arrive t...

Page 77: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 77 86 Web server board electrical diagrams...

Page 78: ...d to an external reference of 5MHz 10MHz precision such as for example a GPS receiver In such way the external reference determines the precision and the stability of the whole system When the source...

Page 79: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 79 86 10 MHz reference oscillator electrical diagram...

Page 80: ...rent range 0 6 5A Rated Power 156W Ripple noise max 120mVp p Voltage ajd range 22 8 26 4V Voltage tolerance 1 0 Line regulation 0 5 Load regulation 0 5 Setup Rise time Hold time 800ms 20ms 50 ms 230VA...

Page 81: ...DBELETTRONICA TELECOMUNICAZIONI S p A Pag 81 86...

Page 82: ...r and Up converter board Switching board layout Parts list Item Quantity Reference Part PCB Footprint ______________________________________________________________________________ 1 4 CN1 CN2 CN3 CN4...

Page 83: ...3 1 C16 470uF 63V 14 1 C17 330uF 35V 15 2 C24 C21 10uF 35V 16 2 DL2 DL1 LED 3mm 17 3 D1 D3 D4 SB360 18 1 D2 SB560 19 1 D5 1N4007 20 1 D6 1N5819 21 2 L1 L3 150uH 22 1 L2 120uH 23 1 L4 100uH 24 1 R1 20K...

Page 84: ...5 3 3nF 100V 12V C2 100nF 100V C17 330uF 35V D2 SB560 15V U2 LM2591 5 3 2 1 4 ON OFF GND OUT VIN FB C6 470nF 63V L1 150uH TC 151M 5A 8026 5V 5V C24 10uF 35V R2 NC 12V U4 L7905 GND 1 2 3 VIN GND VOUT U...

Page 85: ...ayout Parts list Item Quantity Reference Part PCB Footprint ______________________________________________________________________________ 1 1 B1 KBL04 2 1 CN1 AMP4 3 1 C0 1nF CER 4 1 C1 1000uF 63V RH...

Page 86: ...C4 1uF 50V C11 100uF 40VRHOE U1 L4973 2 9 12 7 8 1 17 16 11 4 5 6 10 13 14 15 3 OUT2 BOOT VFB POS POS2 OSC SS 5V1 COMP GND GND GND GND GND GND GND OUT C9 100uF 40VRHOE L1 150uH POS DL1 LED V 0104_010...

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