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Summary of Contents for Crystal Vision DDAA132P
- Page 1 DDAA132P SDI to composite or Y/C monitoring encoder with distribution amplifier Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England. E-mail: sales@crystalvision.tv Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059...
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Page 2: Table Of Contents
Crystal Vision DDAA132P User Manual R7.2 Contents 1 Introduction 2 Hardware installation 2.1 Universal rear connectors Rear module connections with RM01 Rear module connections with RM18 Rear module connections with RM02 2.2 General Purpose Interface (GPI) 4U frame GPI connections... - Page 3 Crystal Vision DDAA132P User Manual R7.2 24/02/05...
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Page 4: Introduction
Introduction 1 Introduction The DDAA132P is an 8 bit serial digital to analogue composite converter with reclocked serial and up to four selectable composite or Y/C analogue outputs. The universal connection system allows a mixture of Crystal Vision modules in the frame. - Page 5 • NTSC setup on/off and chroma bandwidth select • Card edge control This manual covers the DDAA132P. The DDAA132 with only the modulated ramp Note: internal test pattern is also available, along with a dedicated manual. DDAA132P User Manual R7.2...
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Page 6: Hardware Installation
The DDAA132P may be used with the RM01 single slot rear connector, the RM02 quadruple slot rear connector and the RM18 double slot rear connectors. -
Page 7: Rear Module Connections With Rm18
Card 3 fits in slots 4, 8 and 12 (4, 8, 12, 16, 20 and 24 for 4U) • No card fits in 3, 7 or 11 (3, 7, 11, 15, 19, 23 for 4U) DDAA132P User Manual R7.2 24/02/05... - Page 8 Composite video or Y plus Sync (set by PL3) PAL/NTSC/C Composite video or C (set by PL4) PAL/NTSC/Y Composite video or Y plus Sync (set by PL5) RM02 output configuration showing link settings. For detailed link information see board configuration. DDAA132P User Manual R7.2 24/02/05...
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Page 9: General Purpose Interface (Gpi)
The external GPI control lines 'a' to 'f' at the frame remote connectors may be used to control the DDAA132P remotely with (say) remote switches emulating some of the front panel switches. The GPI lines are normally pulled up on board to +5V via 10kΩ and will withstand up to +35V. -
Page 10: Frame Gpi Connections
2 and +5V @500mA is pin 1 in each case. Remote 2 and Remote 4 are 26 way high-density D-Type male plugs and frame ground is pin 6 and +5V @500mA is pin 15 in each case. DDAA132P User Manual R7.2 24/02/05... -
Page 11: Frame Gpi Connections
Remote 1: 26 way high density D-Type socket. Frame ground is pin 2 and +5V @500mA Note: is pin 1. Remote 2: 26 way high density D-Type plug. Frame ground is pin 6 and +5V @500mA is pin 15. DDAA132P User Manual R7.2 24/02/05... -
Page 12: Dtb-Av Gpi Connections
15. 2.3 Configuration Jumper links are provided for the following settings: • PL8 – manual/AUTO standard selection • PL 3/4 and PL 5/6 – Y/C or composite selection for certain outputs DDAA132P showing configuration jumpers DDAA132P User Manual R7.2 24/02/05... -
Page 13: Changing The Standard Selection Mode
With PL8 in the MANUAL position the video standard used will be set by the front panel DIL switch or GPI control. DDAA132P showing configuration jumpers The AUTO mode may slightly extend the time required to synchronise a new signal. - Page 14 PL3 Up (Comp) Composite PL3 Down (Y) PL4 Up (Comp) Composite PL4 Down (C) PL5 Up (Comp) Composite PL5 Down (Y) Factory adjustments The five potentiometers on the board are factory set and should not need re-adjustment. DDAA132P User Manual R7.2 24/02/05...
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Page 15: Card Edge Operation
Crystal Vision Card edge operation 3 Card edge operation The front edge of the DDAA132P card provides power rail monitoring, signal status, gain adjustment and configuration switches. DDAA132P front edge view The 8 way front edge switch provides access to the following: •... - Page 16 Adjusting input gain The Y, C and composite gain is continuously variable by ± 10% using the GAIN control. The DDAA132P is supplied with a factory set gain of 0dB. On-board jumper link settings Please refer to the configuration section to set the following options when using card edge control: •...
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Page 17: Problem Solving
Crystal Vision Problem solving 4 Problem solving The front edge of the card provides useful power rail monitoring in addition to card-edge controls and status LEDs. DDAA132P front edge view LED indicator assignments Colour Meaning when lit INPUT Green (bottom) -
Page 18: Specification
VBI blanking - PAL lines 7-22 & 320-335 and NTSC lines 10-20 & 273-282 Signal to noise ratio: < -54dB weighted Test functions Internal test patterns: Modulated ramp Vertical edge markers PLUGE Colour bars DDAA132P User Manual R7.2 24/02/05... - Page 19 6 modules RM01 Single slot rear module with 6 BNCs RM02 Quad slot rear module with 27 BNCs for 3 boards RM18 Dual slot rear module for 1 board with 12 BNCs DDAA132P User Manual R7.2 24/02/05...
- Page 20 Crystal Vision Specification DDAA132P User Manual R7.2 24/02/05...
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