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3.7 Hardware and plug-in installation

Part numbers for compatible plug-ins are listed in a page 4 table of this user guide.

  

IMPORTANT: 

the power supply and fuses 

are not

 field replaceable.

Plug-ins

The AUX locations equipped with attenuator attenuators 0 dB as standard.

Removing this attenuator will interrupt the DS and US signals.

The attenuators can be replaced by 4mm thick JXP style cable simulators, an equaliser or filter.

!

Содержание 19012462

Страница 1: ...customer service vdl technetix com technetix com 31 318 58 59 59 10 2021 EN V12 User manual DBC 1200 Lite ...

Страница 2: ...er 1 Overview of the DBC 1200 Lite 6 Chapter 2 RF amplifier 7 Chapter 3 Installing the DBC 1200 Lite 8 3 1 Housing mounting 8 3 2 Installing coaxial RF ports 9 3 3 Closing amplifier lid 10 3 4 Power supply 11 3 5 Powering up the amplifier 11 3 6 Output diplexer shield transfer for the DBC 1200 Lite 12 3 7 Hardware and plug in installation 13 3 8 Programming and alignment 16 ...

Страница 3: ... removal tool DBGB A 1 19011053 Appropriate bolts screws washers for mounting the DBC 1200 Lite see Chapter 3 Installing the DBC 1200 Lite Appropriate USB cable and application for the setup of the DBC 1200 Lite PRODUCT INFORMATION USB cables and interfaces available SAFETY Caution This symbol indicates that AC voltages 35 65 VAC sine wave and 42 90 VAC square wave and 110 230 VAC may be present w...

Страница 4: ...es a password that can be obtained from your sales representative For detailed installation and use of the BLL software refer to the BLL user manual Android BLA software The software requires Android version 4 1 or higher and USB host The latest BLA app can be found on our website www technetix com Installation requires a password that can be obtained from your sales representative For detailed in...

Страница 5: ...plexer filter module 204 258 MHz 19012967 DBDIP 05 5 W 85 102 MHz diplexer filter wide 5 dB 19009966 DBDIP 05 W Diplex module 85 102 MHz module wide 19005718 PI SPL 2W 12G Splitter 2 way 3 5 3 5 dB 1 2 GHz 19005719 PI DC 08 12GO Directional coupler 8 dB 1 2 GHz output location 19005720 PI DC 12 12GO Directional coupler 12 dB 1 2 GHz output location For the auxiliary plug in locations we can provid...

Страница 6: ...provided by a JXP plug in device This can be installed in the location AUX DS The DBC 1200 Lite has a highly efficient long life switch mode power supply available in local and remote powered version The remote powered version supports both sine and block wave Benefits of the DBC 1200 Lite amplifier Full digital control and set up Improved intermodulation distortion performance innovative GaN tech...

Страница 7: ...nt 20 dB omni directional F male type 7 Output downstream 20 dB directional test point or upstream injection point 20 dB F male type 8 Output splitter location 2 way splitter PI SPL 2W 12G directional coupler tap 8 dB TX DC 8 tap 12 dB TX DC 12 9 Input RF port PG11 thread with optional 5 8 reducing ring for 5 8 threaded connectors 10 Port 2 RF output port PG11 thread with optional 5 8 reducing rin...

Страница 8: ...y onto a cabinet back panel the rear 6 mm bolt holes M6 can be used with two 6 mm threaded bolts see following picture Ensure when using this method of mounting that the bolt s threaded part is no longer than 10 mm in length when protruding through the back board that the amplifier will be mounted onto The total length of the bolt to be used is 10mm back board depth washer depth M6 bolts are not d...

Страница 9: ...ation Less sensitive to human error such as incorrect screw torque No cold flow a screw will get loose over time The spring will adjust to temperature changes while maintaining a perfect connection Installing the coaxial connectors 1 Cut the connector pins to a length between 28 32 mm total as shown on the drawing of the amplifier Fig 1 IMPORTANT the total pin length pin length and connector threa...

Страница 10: ...er gasket between the lid and the amplifier housing is sealed correctly providing a sound watertight seal to prevent water ingress 2 There is a good RF seal between the RF gasket in the lid and the amplifier housing to prevent RF ingress egress 3 Good lid to housing contact for the dissipation of amplifier heat is required The lid acts as a radiator when it is correctly secured keeping the amplifi...

Страница 11: ... Remove the AUX DS 0 dB attenuator temporarily to protect the amplifier from eventual high input RF levels The attenuator can be re installed once the electronic input and interstage attenuator have been configured to 10 dB or more as a starting point 5 Switch on the power and check that the status LED is steady green when power is present Local powering with 230VAC 50 Hz Ordering description DBC1...

Страница 12: ...12 DBC 1200 Lite_User Manual 3 6 Block diagram and hardware configuration Block diagram DBC 1200 Lite ...

Страница 13: ...e of this user guide IMPORTANT the power supply and fuses are not field replaceable Plug ins The AUX locations equipped with attenuator attenuators 0 dB as standard Removing this attenuator will interrupt the DS and US signals The attenuators can be replaced by 4mm thick JXP style cable simulators an equaliser or filter ...

Страница 14: ...and diplexer upgrade Referring to the network design documentation verify that the diplexer has the correct band split Make sure that the output diplexer right diplexer has metal screening installed Output diplex shielding is required to meet the specified flatness specifications up to 1 2 GHz In the initial production of the DBC 1200 Lite the RF shield is glued to the diplexer In later batches th...

Страница 15: ...n MUST be done in a straight 90 degrees angle Fig 5 15 technetix com Output diplexer shield transfer for the DBC 1200 Lite Screened diplexer DBDIP xx W a diplexer shielding with integrated clip is available as an individual part Fig 4 and 5 Please contact your sales representative IMPORTANT Ensure all unused amplifier ports are connected to a 75Ω terminated load ...

Страница 16: ...m RF output level loaded with 120 QAM channels 8 MHz is 109 dBµV 49 dBmV with 9 dB tilt IMPORTANT When output RF levels are below 109 dBµV level you may switch to low power mode as this will result in lower power consumption 2 3 watts less power usage 16 DBC 1200 Lite_User Manual 3 8 Programming and alignment Guidance The best downstream RF input level at the first amplifier stage is 72 dBµV 12 dB...

Страница 17: ... The amplifier must be powered before you can configure it Fig 8 The BLL software will automatically connect to the DBC 1200 Lite amplifier The amplifier type name and the schematic drawing with the current settings will appear at the top left of the application as shown below Fig 9 IMPORTANT Ensure that the firmware version is v1 02 Please contact your local sales representative for assistance ...

Страница 18: ...r name field is not supported for the DBC 1200 Lite To prevent overdriving the RF amplifier select 10 dB for the pre and interstage attenuator and EQ settings to 0 dB Fig 11 Once these values are set in the application click on send to amp to set these values electronically Re install the AUX Ds 0 dB attenuator the amplifier input will now be protected by the 10 dB attenuators ...

Страница 19: ... level at the first amplifier stage should be 72 dBµV Pre stage attenuator should be set to 84 72dBµV 12 dB Adjust interstage EQ end interstage attenuator to obtain the desired RF output port level Fig 12 3 Configuring upstream Alignment with return path sweep set up equipment The return path gain of the amplifier is 25 dB with 0 dB attenuator settings Set the return path sweep generator output to...

Страница 20: ...t is for information only Features and specifications are subject to change without notice Technetix the Technetix logo and certain other marks and logos are trade marks or registered trade marks of Technetix Group Limited in the UK and certain other countries Other brand and company names are trade marks of their respective owners Technetix protects its technology and designs by registering paten...

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