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8960DEC Instruction Manual

3

Preface

About This Manual

This manual describes the features of a specific module in the Gecko 8900
Signal Processing System. As part of this module family, it is subject to
Safety and Regulatory Compliance described in the Gecko 8900 Series
frame and power supply documentation (see the

Gecko 8900 Series Frames

Instruction Manual

).

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Содержание 8960DEC -

Страница 1: ...8960DEC NTSC PAL TO 4 2 2 ADAPTIVE DECODER Instruction Manual SOFTWARE VERSION 5 0 071 0543 05 MARCH 2003 ...

Страница 2: ...Solutions to problems and troubleshooting efforts can be found by searching our Frequently Asked Questions FAQ database Software Downloads Software updates drivers and patches can be down loaded Region Voice Fax Address Web Site North America 800 547 8949 Support 530 478 4148 Sales 530 478 3347 Support 530 478 3181 Grass Valley P O Box 599000 Nevada City CA 95959 7900 USA www thomsongrassvalley co...

Страница 3: ...he features of a specific module in the Gecko 8900 Signal Processing System As part of this module family it is subject to Safety and Regulatory Compliance described in the Gecko 8900 Series frame and power supply documentation see the Gecko 8900 Series Frames Instruction Manual ...

Страница 4: ...4 8960DEC Instruction Manual Preface ...

Страница 5: ...nfiguration Summary 15 Onboard Module Configuration 18 8960DEC Module Onboard Configuration Settings 19 Remote Configuration and Monitoring 21 Configuration Displays 22 Software Update Display 22 Module Configuration Displays 23 Control Panel Configuration 31 Specifications 32 Service 34 Functional Description 35 Analog Input and A D Conversion 35 Three line Adaptive Comb Decoder 36 Synchronizer O...

Страница 6: ...6 8960DEC Instruction Manual Contents ...

Страница 7: ...tures 12 bit A to D quantization for high quality digital video Adaptive filters for optimal 2D decoding Processing amplifier controls to adjust remote analog feeds luma black level chroma and hue Error Detection and Handling EDH to track signal errors Dual reference inputs for multi format applications 8900FSS Frame Sync delay submodule option for low cost system timing Vertical Blanking Interval...

Страница 8: ...er modules are in the frame X Not recommended without forced air cooling Module Placement in the Gecko 8900 Frame There are ten cell locations in the frame to accommodate either analog or digital modules These are the left ten locations Refer to Figure 1 on page 9 The two cells on the right are allocated for the power supplies For addi tional information concerning the Power Supply module refer to...

Страница 9: ...ent side of the module facing to the right and the ejector tab to the top 2 Verify that the module connector seats properly against the backplane 3 Press in the ejector tab to seat the module Controller Module only Any 8900 Module Power Supplies only 0543 04r1 0543 03 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 IN DA1 J2 J4 J6 J8 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 IN DA3 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 IN DA5 J1 J2...

Страница 10: ...to other equipment Figure 3 8960 Input Output Connectors Outputs The 8960DEC has four serial digital video outputs J1 through J4 J5 is an AES Audio Delay RS 232 data output conforming to 118AS documentation Reference Inputs Separate input BNCs are provided for either 525 line J8 or 625 line J7 black burst reference signals The reference inputs are functional only when the 8900FSS Frame Sync submod...

Страница 11: ...sence is indicated by the 525 or 625 LED indicating a 525 line or 625 line input signal has been detected Line standard must be set manually there is no auto detection Figure 4 LEDs and Configuration Switches 16 position Rotary switch Momentary toggle switch 525 Green LED on indicates 525 line input and reference are present PWR Green LED on indicates power OK FAULT Red LED is off during normal op...

Страница 12: ... Flashing OFF Flashing 625 signal present corresponding reference missing Correct decoded output timing forced to delay mode Flashing OFF OFF Missing input signal Switched to black by default Table 3 Operating Mode Input Conditions and Resulting Outputs Mode Standard Selection Video Input Reference Input Output Frame Sync Submodule Present Module In Sync Mode Manual 525 line Video present Valid re...

Страница 13: ... Not needed Correct black signal with correct timing or last field if autofreeze is on Invalid Video input Not needed Corrupted output signal No Frame Sync Submodule Manual 525 line Video present Not needed Correct output signal No video signal present Not needed Correct black signal Invalid Video input Not needed Corrupted output signal Manual 625 line Video present Not needed Correct output sign...

Страница 14: ...oder Video processing including adaptive decoding and picture position Vertical blanking interval parameters such as SAV and VBI filtering and data line configuration and Optional Frame Sync submodule setup and timing including H and V phase adjustments and freeze parameters Refer to the following sections for configuration instructions Video Path Processing Overview page 15 Configuration Summary ...

Страница 15: ...ailable for data insertion in both 525 and 625 modes are given in Table 6 on page 20 Configuration Summary The 8960DEC module can be configured using the following controls Onboard module controls consisting of a Function rotary switch with a first 2nd LED off and second bank 2nd LED on of settings and a paddle switch The remote control and monitoring web page interface and or An external control ...

Страница 16: ...ain relative to 1 V p p Black Level Levels Black Level 1 7 Black 7 5 step size 0 1 0 Adjust percentage of black relative to white Picture Position Offset Video Processing Picture Pos Offset 2 1 N A 222 to 296 ns step size 37 ns 0 Adjust horizontal picture offset SuperBlack 525 only Standard Selection SuperBlack 2 E N A Enable or Disable Enable Enable or Disable clip super black signal lower than b...

Страница 17: ...source Horizontal Phase Timing Horizontal Delay 2 2 H Phase 0 63418 ns 525 0 63862 ns 625 step size 37 ns 0 Adjust horizontal delay in clock increments Vertical Phase Timing Vertical Delay 2 3 V Phase 0 524 lines 525 0 624 lines 625 step size 1 line 0 Adjust vertical delay in line incre ments Freeze Recognition Timing Freeze Recognition 2 4 N A Manual or Auto Manual Select Manual or Auto Auto stor...

Страница 18: ...d Note The Function switch should be kept in the position for the selected mode 1 through 7 or in position B when not in use to avoid any inadvertent change in configuration B is an inactive position 2ND second function LED when on indicates that the rotary switch is addressing the second bank of functions SW1 paddle switch actuates or selects the desired setting for the selected function when the...

Страница 19: ... if setup is not present 3 NTSC PAL M 525 only Select NTSC or PAL M subcarrier format 4 Increase Decrease Adjust Input Video Gain relative to 1 V p p Signal Processing Adjustments 5 User Calibrate Set to User to enable processing amplifier functions 6 9 or Calibrate for presets optimized for calibrated video input 6 Increase Decrease Adjust Luma Gain relative to white 7 Increase Decrease Adjust Bl...

Страница 20: ...e 7 Field 1 Field 2 Select Freeze Field 8 Last Field Black Select Freeze Signal VBI Data Line Processing 9 SAV4 SAV3 Select line number of Active Picture Start SAV See Table 6 for the corresponding values for these controls A SAV2 SAV1 B Not used C Notch Decode Delete Set type of processing for VBI Data Lines D Setup No Setup Active when Notch Decode is enabled above Select Yes if setup is present...

Страница 21: ... particular platform browser and version of 8900NET module software They are provided for reference only Displays will differ depending on the type of platform and browser you are using and the version of the 8900NET software installed in your system Address 8900 modules by clicking on a specific module icon in the frame status display or on a name or slot number in the link list on the left Figur...

Страница 22: ... display The Status and Slot Configuration displays operate in the same manner for all remote controllable 8900 modules Refer to the 8900NET manual for more information on these displays Some functions listed may not be sup ported by a particular module These will be indicated as not supported Figure 7 8960DEC Display Links Software Update Display The Software Update display allows you to download...

Страница 23: ...ollowing parameters in this display Set the Line Standard for either a 525 Figure 8 on page 24 or 625 Figure 9 on page 24 line input signal In 525 mode other setup functions are available as described below The Input Video Setup graphic elements appear only when 525 standard is selected Use this control to describe whether setup is present or not present on the input video For 525 line video the s...

Страница 24: ...24 8960DEC Instruction Manual Configuration Figure 8 525 Video Standard Selection Display Figure 9 625 Video Standard Selection Display ...

Страница 25: ...nput video level percentage relative to 1 V p p 100 1 V p p Select User or Calibrate level mode under the User Adjustments pulldown When calibrated levels are selected Calibrate the adjustment elements are set to factory defaults and become read only The following parameters can be adjusted in User mode in this display Luma Gain adjusts the percentage of luminance value relative to white Black Lev...

Страница 26: ...26 8960DEC Instruction Manual Configuration Figure 10 Levels Display ...

Страница 27: ...s and default values Use the Timing display to set the following parameters Choose a Lock Source from Reference input or Video In input Adjust H Phase in nanoseconds and V Phase adjustment in lines Set Freeze Recognition to Manual or Auto Selecting Auto stores the last field in the Frame Synchronizer to use if the input video is lost or corrupted Set the Freeze Mode to Frame or Field Set the Freez...

Страница 28: ...ng a picture with more movement Select the amount of picture position offset centering in nanoseconds with the Picture Pos Offset control Set the Test Signal to enable or disable a luminance range ramp test signal output Refer to the Configuration Summary in Table 4 on page 16 for a summary of what video lines are affected by each control all parameters step sizes and default values Figure 12 Vide...

Страница 29: ...a lines will be displayed Set VBI Processing to Delete Notch Decode low and band pass filtering or Video to Luma no filtering Set the Data Line Processing pulldown to either Notch Decode U and V channels blanked or Delete remove content and In 525 line standard set Data Line Setup pulldown to Setup or No Setup Refer to the Configuration Summary in Table 4 on page 16 for a summary of what video lin...

Страница 30: ...ry Defaults Factory default settings can be recalled using the Recall Factory Defaults display shown in Figure 14 Select the Factory Default button to recall the defaults as listed in Table 4 on page 16 Figure 14 Factory Default Recall Display Use this link ...

Страница 31: ... available with the Control Panel are summarized in Table 4 on page 16 In addition the Control Panel mnemonics that will appear with each available function are given in the table Note Not all configuration parameters are available with the Control Panel Installation configuration and operation of the external Control Panel is provided in a separate manual provided with the external panel ...

Страница 32: ... into 75 Ω Output return loss 15 dB up to 270 MHz Jitter Conforms to SMPTE 17 12 002 Rise Fall times 700 900 ps 20 80 amplitude Performance Luma frequency response 0 1 dB to 5 5 MHz Chroma R Y B Y response 0 5 dB to 1 3 MHz Group delay 5 ns to 5 5 MHz Chroma Luma delay 10 ns Chroma Luma gain inequality 0 05 dB adjustable in 3 dB range Luma non linearity 0 15 K factor 2T 0 5 Line tilt 0 5 Field til...

Страница 33: ...impedance 75 Ω jumper terminated Connector type 75 Ω BNC on Gecko 8900 frame Return loss 40 dB to 5 MHz Environmental Frame temperature range 0 to 45 degrees C Operating humidity range 0 to 90 non condensing Non operating temperature 10 to 70 degrees C Mechanical Frame type Gecko 8900 Series Power Requirements Supply voltage 12V Power consumption 6 5 Watts 8 5 Watts with Frame Sync option Table 7 ...

Страница 34: ...ls Verify that source equipment is operating correctly Check cable connections Check output connections for correct I O mapping correct input con nector is used for the corresponding channel output Refer to Figure 4 for the location of PWR LED and Table 2 on page 12 for proper LED indications If the module is still not operating correctly replace it with a known good spare and return the faulty mo...

Страница 35: ...facts The input serves as the timing reference for the digital decoding process and is highly tolerant to low quality and noisy signals The noise level can vary from as low as 14 dB S N white noise to noise spikes measuring as high as 1 V p p satellite narrow spike noise 12V 5V Module Slot ID 5V Fault Reporting Local User Interface Intra frame Control Interface NTSC PAL Input 10 10 10 525 Referenc...

Страница 36: ...hasing range becomes infinite The frame synchronizer is locked to the selected reference in the horizontal and vertical domain in 37 ns steps that are overlapped with a fine phase adjustment The driver section embeds the EDH data and delivers four SMPTE 259 standard outputs References If the frame sync submodule is present independent 525 625 reference inputs are automatically selected according t...

Страница 37: ...audio delay output is an RS 232 type refer to 118AS documentation Regulator The 12V input is stepped down to 5V using an onboard double buck Switch Mode Power Supply SMPS The regulator does not start up until the main supply voltage reaches approximately 80 of its nominal value ...

Страница 38: ...38 8960DEC Instruction Manual Functional Description ...

Страница 39: ...figuration 18 summary table 15 connectors 9 input output 10 control panel 15 configuration 31 controller module 8 D data lines processing onboard configuration 20 remote configuration 29 setup remote configuration 29 data output 10 delay adjustments control panel configuration 17 onboard configuration 20 remote configuration 27 documentation online 2 E environmental 33 F factory default 11 30 summ...

Страница 40: ... 25 M manual freeze 27 module controller 8 installation 8 power supply 8 slots 9 N network interface 21 notch filter control panel configuration 16 onboard configuration 19 remote configuration 28 NTSC reference 10 O online documentation 2 operational modes 12 outputs 32 analog 32 D1 serial digital 32 HD 32 specification 32 termination 10 overlay 10 P PAL reference 10 performance 32 phase adjustme...

Страница 41: ...board configuration 20 remote configuration 27 Timing display 27 troubleshooting 34 U User adjustments control panel configuration 16 onboard configuration 19 remote configuration 25 V VBI Data Lines Processing display 29 vertical blanking interval VBI processing remote configuration 29 vertical delay 27 video processing control panel configuration 16 onboard configuration 19 remote configuration ...

Страница 42: ...42 8960DEC Instruction Manual Index ...

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