SVP DCM-1070 User Manual

Manual is about: 10GHz Receiver

Summary of DCM-1070

  • Page 1

    Svp broadcast microwave vr-70 & dcm-1070 user’s manual v 1.1 10ghz receiver.

  • Page 2

    Preliminary pages vr-70 and dcm user’s manual page 2 contents chapter 1: vr-70 demodulator and repeater the objective of this first part is to provide a detailed description of the dr- 100 series receivers. First of all, there is a theoretical explanation of how the equipment works. Secondly, a desc...

  • Page 3

    Preliminary pages vr-70 and dcm user’s manual page 3.

  • Page 4

    Preliminary pages vr-70 and dcm user’s manual page 4.

  • Page 5

    Preliminary pages vr-70 and dcm user’s manual page 5 dear customer we would like to thank you for selecting this equipment, and welcome you to the svp’s growing family products. We are sure that the addition of this equipment to your existing installation will cause you nothing but satisfaction. Ple...

  • Page 6

    Preliminary pages vr-70 and dcm user’s manual page 6 important notes 1. While installing the vr-70 demodulator, the dcm down-converters and/or the ucm up-converters, the power supply of the down-converters and the up-converter should be disabled in the setup configuration menu (line no.6 and 13 resp...

  • Page 7: Chapter 1

    Chapter 1 vr-70 demodulator & repeater.

  • Page 8

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 8 contents 1. Theoretical operation .................................................................... 10 2. Connections ................................................................................. 13 2.1 power supply ..................

  • Page 9

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 9 list of figures figure 1.1 vr-70 receiver’s block diagram ........................................... 12 figure 2.1 vr-70 demodulator and dcm down-converter connections ...... 13 figure 4.1 vr-70 demodulators on/off button ..................

  • Page 10: 1. Theoretical Operation

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 10 1. Theoretical operation the vr-70 demodulates an intermediate frequency (i.F.) signal into a video and two audio signals. This equipment also allows re-sending the signal acting as a repeater. A 70mhz i.F. Signal coming from an external...

  • Page 11

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 11 on the other hand, the demodulated video signal is amplified and filtered by a 6mhz width low-pass filter, obtaining the video signal that will be present on the rear panel. The demodulator has to independent video signal outputs, which ...

  • Page 12

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 12 figure 1.1 vr-70 receiver’s block diagram.

  • Page 13: 2. Connections

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 13 2. Connections the figure below shows every connection of both, vr-70 demodulator and dcm up-converter. Figure 2.1 vr-70 demodulator and dcm down-converter connections 2.1 power supply the vr-70 modulator can be feed by and ac source bet...

  • Page 14

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 14 this power supply is 4,2amp to be able to feed any up-converter type including the most powerful ones, when working as a repeater. The mains frequency should be between 50 and 60hz. The maximum input consumption in 220v is 0,8a. In the a...

  • Page 15

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 15 it is important that 75Ω connectors are used. This is because the female output connector of the vr-70 demodulator unit may be damaged and because an impedance mismatch will occur. If the received rf signal does not carry a video signal,...

  • Page 16

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 16 the cable delivers a 70mhz signal and the dc supply voltage to feed the down-converters..

  • Page 17: 3. Technical Features

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 17 3. Technical features 3.1 i.F.(intermediate frequency) table 3.1 i.F input/output features item feature input frequency 70mhz input i.F. Level from –60 to +5dbm output frequency 70mhz output i.F. Level +5dbm frequency deviation 8mhz pp i...

  • Page 18

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 18 3.3 audio table 3.3 audio features item feature audio channel number 2 (4 optional) audio connector xlr-3 macho audio output level +13 dbm maximum impedance 600Ω balanced subcarrier frequency from 5,5 to 9mhz de-emphasis 50µs frequency r...

  • Page 19

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 19 3.7 environmental conditions table 3.7 environmental conditions item feature operating temperature range -10ºc to +55ºc.

  • Page 20: 4. Front Panel Control

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 20 4. Front panel control 4.1 turning on the equipment (power on / off) to turn the equipment on and off, keep this button pressed for several seconds. When the equipment is turned on, the display will show the start- up message (model and ...

  • Page 21

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 21 4.3 remote control (remote) this button is used to activate the remote control mode. When the led next to this button is lit green, the equipment is ready for being controlled remotely via the ethernet link. To activate or defuse the rem...

  • Page 22

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 22 4.5 up, down, left, right, enter the arrow buttons and the ent (enter) button are used to navigate through the menus. Figure 4.6 menu navigation controls for more details regarding local control of the equipment, see section 6.1 of this ...

  • Page 23

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 23 5. Rear panel connectors and fuses 5.1 ac power supply (power ac) to connect the equipment to ac main an mcl neutrik connector is used. It is recommended to use the cable supplied with the equipment. The ac power connector used in this e...

  • Page 24

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 24 5.6 audio 2 output connector (audio 2) balanced audio output connector is an xlr-3 male. The pinout of the audio connector is: ƒ pin 1: ground ƒ pins 2 and 3: signals 5.7 audio3 output connector (audio 3) balanced audio output connector ...

  • Page 25

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 25 5.12 down-converter input (down-converter) n type connectors are used to connect the down-converter. In the figure below the rear panel of the vr-70 demodulator is shown. Figure 5.1 back view of the rack-mount vr-70 demodulator.

  • Page 26

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 26 6. Local control of the equipment 6.1 introduction the vr-70 demodulator can be configured, controlled and monitored either locally or remotely (via an ethernet lan connection). To enable the user to control the equipment locally (using ...

  • Page 27

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 27 this can happen because: ƒ the up-converter is not correctly connected to the demodulator. ƒ the i.F. Cable that matches the up-converter and the demodulator is not in good condition. ƒ the power supply to the up-converter is disabled in...

  • Page 28

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 28 • ent: this button has several functions. It is used to enter submenus 1 , to select an option when there are several choices and for other specific functions. 6.3 “monitor status” menu the monitor status menu is used to monitor the stat...

  • Page 29

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 29 line no. Function 4 received signal level (dbm) on the antenna. Besides, if ent button is pressed to enter the menu, a graphic bar is displayed, which shows the current signal level and the maximum signal level received. This can be very...

  • Page 30

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 30 28 ethernet configuration parameters. (port, local and remote ip addressed) 29 date and time. The demodulator always shows current date and time. 30 list of alarms and/or warnings that have been detected. When the equipment indicates the...

  • Page 31

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 31 this section contains a detailed description of each of the parameters that can be configured in the vr-70 demodulator and repeater. To enter the setup configuration menu, press the menu button, use up and down buttons to select the setu...

  • Page 32

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 32 the steps required to configure each of the parameters listed in this table will be explained in detail below. ƒ reception frequency to configure reception frequency in the dcm down-converter via vr-70 demodulator, the channel selector i...

  • Page 33

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 33 ƒ dcm down-converter power supply to enable or disable power supply to the down-converter, move to line 6 in the setup configuration menu using the up and down arrows. Then press ent button to enable or disable the power-supply to feed t...

  • Page 34

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 34 and left arrows audio 1 level will be increased or decreased (in steps of one db) respectively. ƒ audio 4 level to set audio level, move to line 12 using up and down arrows. Enter the submenu pressing ent button and a graphic bar will ap...

  • Page 35

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 35 • the communications port to be used for communication between the transmitter and the remote station. Press ent button and the cursor will be placed over the first digit, which can be changed by pressing up and down arrows. To change to...

  • Page 36

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 36 there are two methods to determine which alarms/warnings have been activated. ƒ the alarm button: when this button is pressed, the equipment displays a list of the active alarms and/or warnings. If there are no active alarms or warnings,...

  • Page 37

    Chapter 1: vt-70 modulator vr-70 and dcm user’s manual page 37 ƒ communication failure between vr-70 demodulator and ucm up- converter. When the vr-70 demodulator detects a communication failure with the ucm up-converter, the led next to alarm button lights red. If the up-converter is disabled the v...

  • Page 38: Chapter 2

    Chapter 2 multi-frequency down-converter dcm-1070 series.

  • Page 39

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 39 contents 1. Theoretical operation..................................................................... 41 2. Technical features ..............................................................

  • Page 40

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 40 important: input signals higher than -20dbm can damage the equipment..

  • Page 41: 1. Theoretical Operation

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 41 1. Theoretical operation the dcm-1070 series multi-frequency down-converter, transform the received signal within the down-converter band, 10.2 to 10.6ghz to a 70mhz intermediate frequenc...

  • Page 42

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 42 as reception frequency, received signal level in the antenna, the down- converter’s feeding voltage and down-converter’s temperature, can be visualized in the vr-70 demodulator and repeat...

  • Page 43

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 43 on the microcontroller 15 channel frequencies are stored. The down- converter has a 16 position watertight channel selector (switch). To change the 15 frequencies distribution down-conver...

  • Page 44: 2. Technical Features

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 44 2. Technical features 2.1 rf section table 2.1 dcm 1070 rf features item specifications input frequency range from 10,2 to 10,6 ghz output frequency 70 mhz modulation fm or qpsk deviation...

  • Page 45

    Chapter 2: multi-frequency down-converter dcm-0270, dcm-0770 & dcm-1070 series vr-70 & dcm user’s manual page 45 2.5 environmental conditions table 2.5 environmental conditions item specifications operating temperature range -10ºc to 60ºc.

  • Page 46: Chapter 3

    Chapter 3: parabolic antenna installation chapter 3 parabolic antenna installation.

  • Page 47

    Chapter 3: parabolic antenna installation page 47 vt-70 and ucm up-converter user’s manual contents 1. General installation instructions ...................................................... 48 2. Parabolic antenna assembly for a point to point link ........................... 50 list of figures fi...

  • Page 48

    Chapter 3: parabolic antenna installation page 48 vt-70 and ucm up-converter user’s manual 1. General installation instructions figure 1.1 parabolic antenna and up-converter installation in a mast.

  • Page 49

    Chapter 3: parabolic antenna installation page 49 vt-70 and ucm up-converter user’s manual figure 1.2 parabolic antenna and up-converter installation for a point to point link.

  • Page 50: Point Link

    Chapter 3: parabolic antenna installation page 50 vt-70 and ucm up-converter user’s manual 2. Parabolic antenna assembly for a point to point link.

  • Page 51

    Chapter 3: parabolic antenna installation page 51 vt-70 and ucm up-converter user’s manual.

  • Page 52

    Chapter 3: parabolic antenna installation page 52 vt-70 and ucm up-converter user’s manual.

  • Page 53

    Chapter 3: parabolic antenna installation page 53 vt-70 and ucm up-converter user’s manual.

  • Page 54

    Chapter 3: parabolic antenna installation page 54 vt-70 and ucm up-converter user’s manual.

  • Page 55

    Chapter 3: parabolic antenna installation page 55 vt-70 and ucm up-converter user’s manual.

  • Page 56

    Chapter 3: parabolic antenna installation page 56 vt-70 and ucm up-converter user’s manual.

  • Page 57

    Chapter 3: parabolic antenna installation page 57 vt-70 and ucm up-converter user’s manual.

  • Page 58

    Chapter 3: parabolic antenna installation page 58 vt-70 and ucm up-converter user’s manual.

  • Page 59

    Chapter 3: parabolic antenna installation page 59 vt-70 and ucm up-converter user’s manual.

  • Page 60

    Chapter 3: parabolic antenna installation page 60 vt-70 and ucm up-converter user’s manual.

  • Page 61

    Chapter 3: parabolic antenna installation page 61 vt-70 and ucm up-converter user’s manual.

  • Page 62

    Chapter 3: parabolic antenna installation page 62 vt-70 and ucm up-converter user’s manual.

  • Page 63: Chapter 4

    Chapter 4 md-70 external signal meter.

  • Page 64

    Chapter 4:md-70 external signal meter vr-70 & dcm user’s manual page 64 contents 1. Md 70 description ......................................................................... 65 2. Technical features ......................................................................... 66 list of tables table 2...

  • Page 65: 1. Md 70 Description

    Chapter 4:md-70 external signal meter vr-70 & dcm user’s manual page 65 1. Md 70 description this new md-70 meter is an instrument designed to measure several status parameters in the ucm series up-converters and dcm series down- converters. In the up-converters transmission frequency (mhz), transmi...

  • Page 66: 2. Technical Features

    Chapter 4:md-70 external signal meter vr-70 & dcm user’s manual page 66 2. Technical features table 2.1 technical features item specifications power supply +8 to 25 v. Dc connector 4 pin 0b lemo series cable length 1m (other cable lengths upon request.

  • Page 67

    Vr-70 & dcm user’s manual page 67 notes:.

  • Page 68

    Vr-70 & dcm user’s manual page 68 final note svp broadcast microwave s.L. Is constantly striving to improve all of its products. Therefore, we ask you to understand that modifications may occur in designs, equipment and technology. Consequently, no responsibility can be derived from the information,...

  • Page 69

    Svp broadcast microwave reserves the right to make changes to this manual and to the equipment without prior notice. Svp broadcast microwave c/uralde, 2 48215 iurreta vizcaya – españa tel: (+34) 94620 3722 svpbm@svpbm.Com www.Svpbm.Com.