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Albalá Ingenieros | Manual

AVD0001C01

5. GLOSSARY

BNC

Bayonet Neill-Concelman connector.

SD

An abbreviation for SDTV (Standard Definition Television).

SDI

Serial Digital Interface. A standard used for the transmission of uncompressed video
signals that can also include audio and time code signals.

Trilevel sync

High definition analog video signal used in television studios to maintain
synchronization between any piece of equipment that handles both analog and digital
video signals.

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Summary of Contents for AVD0001C01

Page 1: ...ND ALONE 1 LOOP THROUGH INPUT TO 8 OUTPUTS WIDEBAND ANALOG VIDEO HD AND SD DISTRIBUTOR AND EQUALIZER Version 1 0 Albalá Ingenieros S A Medea 4 28037 Madrid Spain 22 May 2015 Albalá Ingenieros S A All rights reserved ...

Page 2: ...AVD0001C01 ...

Page 3: ...INSTALLATION 11 3 1 Initial inspection 11 3 2 Safety instructions 11 3 3 Attachment 12 3 4 Environmental considerations 13 3 5 Interconnection 13 3 5 1 Power supply connection 13 3 5 2 Analog video connections 13 4 OPERATION 15 4 1 Upper panel description 15 4 2 Functional description 16 4 2 1 DC restorer 16 4 2 2 The equalizer 17 4 3 Module remote control and supervision 18 5 GLOSSARY 19 6 REGULA...

Page 4: ...AVD0001C01 ...

Page 5: ...gnal being distributed and three switches to configure the DC restorer and the input termination The AVD0001C01 has been designed to operate independently and hence does not require installation in a rack The unit features robust aluminum construction and supports a wide range of operating temperatures The AVD0001C01 is powered by an external wall adapter supplied with the equipment The power supp...

Page 6: ... be internally loaded Designed for distribution of both standard definition black burst and high definition tri level sync synchronization signals DC restorer with two operation speeds fast and slow Equalizer capable of compensating up to 300 meters of Belden 1694A cable Equalizer and gain adjustments The unit is supplied with a 110 240 VAC power adapter Fanless design Wide operating temperature r...

Page 7: ...Albalá Ingenieros Manual AVD0001C01 1 3 Block diagram 7 ...

Page 8: ...Albalá Ingenieros Manual AVD0001C01 AVD0001C01 8 ...

Page 9: ...1080p50 1080p59 94 Number of inputs 1 Allowed voltage range 5 V Analog video signal output Connector BNC Impedance 75 Ω Return loss 40 dB up to 10 MHz Return loss 35 dB up to 30 MHz Number of outputs 8 DC voltage 40 mV Analog video signal Gain 2 dB Input to output coupling DC Input to output delay 11 ns Dynamic range 1 5 V Ecualizable cable type Belden 1694A Frequency response 0 05 dB for any cabl...

Page 10: ...elay 1 ns S N ratio unweigthed with ref 0 7 VRMS 70 dB RMS from 40 Hz to 6 MHz Hum rejection 20 dB Power supply input Connector 2 5 mm locking DC power jack Voltage range 5 15 VDC Rated current 400 mA max VIN 5 V General Operating temperature range 0 50 C Dimensions 134 mm x 35 mm x 112 mm Approximate weight 375 g 10 ...

Page 11: ...fy your Albalá Ingenieros distributor or dealer of any damage or defects observed 3 2 Safety instructions The AVD0001C01 contains devices that are not commercially available therefore in case of failure Albalá Ingenieros technical service is recommended The AVD0001C01 is a telecommunications infrastructure device and must be installed and operated by technicians with appropriate training The AVD00...

Page 12: ...ould endanger the lives of people or animals The equipment does not include protective grounding The AVD0001C01 should never be connected to signals or power supplies that don t guarantee isolation from hazardous voltages Operation is independent of grounding or lack of grounding of the power cables or video signals 3 3 Attachment The AVD0001C01 has four rubber feet for desktop operation It also h...

Page 13: ...llows this wide range of input voltages without reducing energy efficiency Power consumption depends on the voltage supplied The power supply s negative terminal is connected to the outer ring of the connector and the metal case of the equipment while the positive terminal is the connector s center pole If the AVD0001C01 is powered by DC voltage from a vehicle protection is required for the common...

Page 14: ... of the two BNC connectors with loop through In order to load the input with high impedance a 75 Ω terminator should be connected or the termination can be done using the switch on the front panel of the module The AVD0001C01 provides a switch that connects a termination to the input without requiring a load to be connected to the loop through output The switch should be set to the position labele...

Page 15: ...ppearance of the upper panel and the elements it contains are shown in the following illustration Upper panel of the AVD0001C01 The upper panel contains two LEDs POWER ON Green This LED lights up when the AVD0001C01 is connected to electrical power IN 3G White This LED indicates that the detected format of the analog video at the input is equivalent to 3 Gbit s SDI at either 1080p50 or 1080p59 94 ...

Page 16: ...ted FAIL Red This LED lights up if there is no signal at the video input GAIN Multi turn potentiometer for adjustment of the video signal gain EQ Multi turn potentiometer for adjustment of the video signal equalization In the INPUT box 75 OHM HiZ Switch that allows internal termination of the loop through input with 75 Ω In the DC RESTORER box ON OFF Switch that activates or deactivates the DC res...

Page 17: ...the factory with the DC restorer activated and set to fast mode 4 2 2 The equalizer The equalizer is in charge of modifying the frequency response of the distributor to compensate for the attenuation incurred as the video signal is transported over coaxial cable to the input of the AVD0001C01 This is done only once as the module has a single input A waveform monitor or oscilloscope is required in ...

Page 18: ...RE AND AFTER EQUALIZATION In order to prevent the equalizer from modifying the signal the EQ potentiometer should be turned completely counter clockwise setting it to the minimum The distributor comes from the factory with the equalizer set to the minimum In addition to adjustment via the equalizer the module includes a gain control that provides fine gain control over the full video bandwidth The...

Page 19: ...sion SDI Serial Digital Interface A standard used for the transmission of uncompressed video signals that can also include audio and time code signals Trilevel sync High definition analog video signal used in television studios to maintain synchronization between any piece of equipment that handles both analog and digital video signals 19 ...

Page 20: ...Albalá Ingenieros Manual AVD0001C01 AVD0001C01 20 ...

Page 21: ...T 296 ITU R BT 470 6 1998 Conventional analogue television systems See also ITU R BT 1700 SMPTE 170M ITU R BT 709 7 2002 Parameter values for the HDTV standards for production and international programme exchange See also SMPTE 274M SMPTE 274M 2008 1920 x 1080 Image Sample Structure Digital Representation and Digital Timing Reference Sequences for Multiple Picture Rates See also ITU R BT 709 7 SMP...

Page 22: ...Albalá Ingenieros Manual AVD0001C01 AVD0001C01 22 ...

Page 23: ...Albalá Ingenieros Manual AVD0001C01 7 VERSIONS Ver Date Description 0 0 20 01 2015 Preliminary Version 1 0 22 05 2015 First version ...

Page 24: ...Albalá Ingenieros S A Medea 4 28037 Madrid Spain 34 913274453 www albalaing com info albalaing com ...

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