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Snell Kudos LC300 Operator's Manual

Single channel frame rate converter
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Operator's Manual
Kudos LC300
Single Channel Frame Rate Converter
Kudos LC350
Single Channel Frame Rate Converter with Composite Video and
AES Audio
snellgroup.com

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Summary of Contents for Snell Kudos LC300

  • Page 1 Operator’s Manual Kudos LC300 Single Channel Frame Rate Converter Kudos LC350 Single Channel Frame Rate Converter with Composite Video and AES Audio snellgroup.com...

  • Page 2: Information And Notices

    Information in this manual and software are subject to change without notice and does not represent a commitment on the part of Snell Limited. The software described in this manual is furnished under a license agreement and can not be reproduced or copied in any manner without prior agreement with Snell Limited or their authorized agents.

  • Page 3: Safety Information

    LC300/LC350 www.snellgroup.com Safety Information Safety Information Explanation of Safety Symbols © Issue 1 Rev 1 Page 3 2015 Snell Limited...
  • Page 4 LC300/LC350 www.snellgroup.com Safety Information © Issue 1 Rev 1 Page 4 2015 Snell Limited...
  • Page 5 LC300/LC350 www.snellgroup.com Safety Information © Issue 1 Rev 1 Page 5 2015 Snell Limited...

  • Page 6: Laser Safety

    Installations should be designed to allow for this. Do not obstruct the ventilation holes on the right-side of the unit. Damage to the equipment may result. © Issue 1 Rev 1 Page 6 2015 Snell Limited...

  • Page 7: Safety Standards

    E4. EMC Performance of Cables and Connectors Snell products are designed to meet or exceed the requirements of the appropriate European EMC standards. In order to achieve this performance in real installations it is essential to use cables and connectors with good EMC characteristics.

  • Page 8: Table Of Contents

    6.3.5 Resetting Menu Options to Preset Values ..... . . 26 © Issue 1 Rev 1 Page 8 2015 Snell Limited...
  • Page 9 8.3.2 Restart ..........87 © Issue 1 Rev 1 Page 9 2015 Snell Limited...
  • Page 10 C.4.1 Using V Enhance in Up and Cross Conversion....98 C.4.2 Using V Enhance in Down and Cross Conversion ....99 © Issue 1 Rev 1 Page 10 2015 Snell Limited...

  • Page 11: Introduction

    LC300/LC350 www.snellgroup.com Introduction 1. Introduction 1.1 Description The Kudos LC300 and LC350 are motion adaptive linear standards converters for a range of applications including: • International program distribution • Low-cost frame rate conversion • International TV and video back-up channels These converters are ideal for customers who wish to perform low-cost, flexible frame rate conversions.

  • Page 12: Features

    Sidebar keyer and output crop. Additionally the LC350 Frame Rate Converter Includes: • CVBS (composite) video support. • Balanced AES and Analog audio I/O. • Optional unbalanced AES audio I/O. © Issue 1 Rev 1 Page 12 2015 Snell Limited...

  • Page 13: Block Diagrams

    AES audio is accessible via 8 bidirectional ports, which may be configured as input or Note: output. The configuration shown above is an example where there are 4 AES input and 4 AES output. © Issue 1 Rev 1 Page 13 2015 Snell Limited...

  • Page 14: Order Codes

    (Noise reduction, Sidebar keyer, Logo insertion). FGAFE 6163500X LC350 single channel frame rate converter with CVBS and balanced AES audio. FGAFE 6163501X LC350 plus option pack (Noise reduction, Sidebar keyer, Logo insertion, Unbalanced AES). © Issue 1 Rev 1 Page 14 2015 Snell Limited...

  • Page 15: Technical Specification

    (Auto Detect) 525 59i 625 50i 720/1080 23/24/25/29/30/50/59/60p 1080 50/59/60i 1080 23/24/25/29/30/50/59/60p 1080 23/24/25/29psf, with film detection and processing Output Standard 525 59i 625 50i 720/1080 23/24/25/29/30/50/59/60p 1080 50/59/60i 1080 23/24/25/29/30/50/59/60p 1080 23/24/25/29psf © Issue 1 Rev 1 Page 15 2015 Snell Limited...
  • Page 16 20 W Mechanical Temperature Range 0 to 45°C operating Cooling Internal fan, side venting Weight 2.4 kg Case Type 1RU, rack mounting Dimensions 44mm x 430mm x 170mm (h, w, d) © Issue 1 Rev 1 Page 16 2015 Snell Limited...

  • Page 17: Installation

    The box contains the following items: • Kudos LC300/LC350 unit Retain any product packaging as it may be required if returning the unit to Snell. Note: 3.2 Rack Mounting the Unit Ensure that sufficient space is available for the unit.

  • Page 18: Connections

    LC300/LC350 www.snellgroup.com Connections 4. Connections This section describes the physical input and output connections provided by the Kudos LC300 and LC350. 4.1 LC300 Rear Panel View The rear panel accommodates SDI, option (SFP), HDMI monitor and GPIO connections. GPIO Ethernet...

  • Page 19: Input And Output Connections

    A dual fiber port is available as an option. The port can be configured as one of the following: • Dual receiver (RX/RX). • Dual transmitter (TX/TX). • Transceiver (RX/TX). • Not fitted. © Issue 1 Rev 1 Page 19 2015 Snell Limited...

  • Page 20: Audio Connection Pin Numbers (Option)

    Port 3- GND6 GND6 GND7 GND7 Solder Pin Side Analog In 2+ Port 2+ Analog In 2- Port 2- Analog In 1+ Port 1+ Analog In 1- Port 1- GND8 GND8 © Issue 1 Rev 1 Page 20 2015 Snell Limited...

  • Page 21: Gpio Connector Pin Numbers

    The GPIOs are accessed via a 9-way D-type male connector. 9 Way D-Type Function 9 Way D-Type Pin Connector GPI 1 GPI 2 GPI 3 GPI 4 GPO 1 Solder Pin Side GPO 2 GPO 3 GPO 4 © Issue 1 Rev 1 Page 21 2015 Snell Limited...

  • Page 22: Front Panel Features

    PSU LEDs are illuminated red. Press to lock the front panel controls. Control Lock button Press and hold for 3s to unlock the front panel controls. © Issue 1 Rev 1 Page 22 2015 Snell Limited...
  • Page 23 PSU illuminated red: unit in standby (power saving) mode. Shows the monitoring status. Control Status LEDs • Local illuminated: local control enabled. • Remote illuminated: RollCall Control Panel may be in use. © Issue 1 Rev 1 Page 23 2015 Snell Limited...

  • Page 24: Operation Using The Front Panel

    6.1 Turning the Unit On • Press the STANDBY button. The PSU LED turns green and the Snell splash screen appears on the display. After a few minutes, the Home screen appears. 6.2 Home Screen The Home screen shows the following status information: •...

  • Page 25: Using Shortcuts

    To return to preset, press and hold the rotary control. When the value is set as required, press the rotary control again to confirm and return to the last menu. © Issue 1 Rev 1 Page 25 2015 Snell Limited...

  • Page 26: Selecting An Action Using On/Off

    If you need to reset a menu option to its preset default value do the following: • With the menu option selected, press and hold the Rotary control for a few seconds. The values are reset. © Issue 1 Rev 1 Page 26 2015 Snell Limited...

  • Page 27: System Operation

    (RollCall or web applet), see “RollCall Accessible Functions” on page 81 and “Setting the Unit Up for Remote Control” on page 88 for details. 7.1 Remote Control Using RollCall The RollCall control and monitoring software is available from Snell. The free RollCall control panel application for PC is available from www.snellgroup.com To use RollCall, assign the required static IP address to the LC300/LC350 or use DHCP (see section 7.9.6), then enter this IP address into the RollCall control panel pop-up box under the...

  • Page 28: Input

    CTI (Chroma Transient Improver) When selected, the current input status is shown on the screen. To Input status turn it off, press the rotary control. The unit automatically detects the input standard. Note: © Issue 1 Rev 1 Page 28 2015 Snell Limited...
  • Page 29 Composite luminance gain can be adjusted from -40 to 40 (preset is 0). CVBS calibration is not required in normal operation. If calibration is required, it should only Note: be carried out by suitably trained technicians. © Issue 1 Rev 1 Page 29 2015 Snell Limited...

  • Page 30: Output

    Legalizer choices are: • Off (Default) • 700mV • 721mV • 735mV • 746mV Test pattern • Off (Default) • Black • Ramp • Bars © Issue 1 Rev 1 Page 30 2015 Snell Limited...
  • Page 31 The Video DAC gain can be adjusted from -64 to 64 (preset = 0). CVBS calibration is not required in normal operation. If calibration is required, it should only Note: be carried out by suitably trained technicians. © Issue 1 Rev 1 Page 31 2015 Snell Limited...

  • Page 32: Logo Control

    Transparency Transparency allows you to adjust the visibility of the logo from 0% (fully visible) to 100% (invisible) in steps of 1%. Preset is 0%. • No (Default) Pre-shaped • © Issue 1 Rev 1 Page 32 2015 Snell Limited...
  • Page 33 Loading the logo ready for display (using the “Load” button) can take up to a few minutes depending on the logo length. Short or static logos will only take a few seconds. The logo displayed state will report progress in loading the logo. © Issue 1 Rev 1 Page 33 2015 Snell Limited...

  • Page 34: Video

    If the ARC is set to show less than the full width of the input picture, valid input picture chroma is shifted into the output picture area. Preset = 0 © Issue 1 Rev 1 Page 34 2015 Snell Limited...

  • Page 35: Noise Reducer (Option)

    0 to 7 in steps of 1. Preset = 0 Chroma level Adjusts the noise reduction applied to the chrominance signal from 0 to 7 in steps of 1. Preset = 0 © Issue 1 Rev 1 Page 35 2015 Snell Limited...
  • Page 36 Adjusts the noise reduction applied to the luminance signal from 0 to 7 in steps of 1. Preset = 0 Threshold Adjusts the noise reduction threshold from 1 to 4 in steps of 1. Preset = 1 © Issue 1 Rev 1 Page 36 2015 Snell Limited...

  • Page 37: Convert

    The Clean Edge Upconversion process applies the proprietary Texture Adaptive Upconversion (TAU) process which helps to adapt away any horizontal ringing. Menu Choice Operation Clean edge • On (Default) upconversion • © Issue 1 Rev 1 Page 37 2015 Snell Limited...

  • Page 38: Motion Process

    Maintain 2:3 cadence when up-converting 59.98 2:3 content. • Maintain 2:3 cadence when down-converting 59.98 2:3 content. • Maintain psf cadence when appropriate. • Control 2:3 cadence with respect to time-code. © Issue 1 Rev 1 Page 38 2015 Snell Limited...

  • Page 39: Input Cadence

    This control is only active when “2:3 Source” is set to Input timecode. Control is available from 1 hour to 23 hours in steps of 1 hour. Default = 1 hour © Issue 1 Rev 1 Page 39 2015 Snell Limited...

  • Page 40: Output Cadence

    It is only active when 2:3 Source is set to Output timecode. Control is available from 1 hour to 23 hours in steps of 1 hour. Default is 1 hour. © Issue 1 Rev 1 Page 40 2015 Snell Limited...

  • Page 41: Arc

    -50% to 50% in steps of 1%. Preset = 0 Tilt Adjusts the vertical position of the output image. Range is -50% to 50% in steps of 1%. Preset = 0 © Issue 1 Rev 1 Page 41 2015 Snell Limited...

  • Page 42: Scaler Config

    The following notes and tables provide more information about the different ARC presets available. The scaling factors are in addition to those required to convert the input full-frame picture to the output full-frame picture. © Issue 1 Rev 1 Page 42 2015 Snell Limited...
  • Page 43 16:9 Ana 4:3 HC 16:9 Ana 16:9 LB 16:9 Ana 14:9 LB SD to SD Presets: Illustration LB = Letterbox, PB = Pillarbox, HC = Horizontal Crop, Ana = Anamorphic © Issue 1 Rev 1 Page 43 2015 Snell Limited...
  • Page 44 To (HD) 16:9 16:9 (none) 14:9 PB 16:9 VC 4:3 PB 16:9 VC 4:3 PB 14:9 PB VC HD to HD Presets: Illustration PB = Pillarbox, VC = Vertical Crop © Issue 1 Rev 1 Page 44 2015 Snell Limited...
  • Page 45 4:3 PB 16:9 LB 16:9 16:9 Ana 16:9 14:9 LB 14:9 PB SD to HD Presets: Illustration LB = Letterbox, PB = Pillarbox, VC = Vertical Crop, Ana = Anamorphic © Issue 1 Rev 1 Page 45 2015 Snell Limited...
  • Page 46 16:9 16:9 LB 16:9 16:9 Ana 4:3 PB 14:9 PB 14:9 LB HD to SD Presets: Illustration LB = Letterbox, PB = Pillarbox, HC = Horizontal Crop, Ana = Anamorphic © Issue 1 Rev 1 Page 46 2015 Snell Limited...

  • Page 47: Input Config

    14:9 aspect ratio, with bars visible at the sides of the screen. • 4:3 Pillarbox: preserves the original aspect ratio of HD content with a 4:3 aspect ratio, with bars visible at the sides of the screen. © Issue 1 Rev 1 Page 47 2015 Snell Limited...
  • Page 48 4:3 AFD 15 16:9LB 16:9LB Alt 4:3 16:9 AFD 13 4:3PB 4:3PB Alt 14:9 16:9 AFD 14 16:9 16:9 Alt 14:9 16:9 AFD 15 16:9 16:9 Alt 4:3 Alternate Center Cut Illustrations © Issue 1 Rev 1 Page 48 2015 Snell Limited...

  • Page 49: Output Config

    Controls the signaling defined on the output. Menu Choice Section SMPTE 2016 see section 7.6.6.1. Video Index see section 7.6.6.2. Line 23 see section 7.6.6.3. Force Mode see section 7.6.6.4. © Issue 1 Rev 1 Page 49 2015 Snell Limited...
  • Page 50 For SD 525 signals, SMPTE2016 is relocated to the line between the two VITC lines i.e. if default VITC is on lines 14 and 16, SMPTE2016 will be placed on line 15 in the event of a clash. © Issue 1 Rev 1 Page 50 2015 Snell Limited...
  • Page 51 Force AFD bits • Off (Default) • On: enables up to 4 user defined bits to be inserted. AFD bits value From 0 to 15 in steps of 1. Preset = 0 © Issue 1 Rev 1 Page 51 2015 Snell Limited...
  • Page 52 4:3 AFD 11 16:9 AFD 11 4:3 AFD 12 16:9 AFD 12 4:3 AFD 13 16:9 AFD 13 4:3 AFD 14 16:9 AFD 14 4:3 AFD 15 16:9 AFD 15 © Issue 1 Rev 1 Page 52 2015 Snell Limited...
  • Page 53 Available codes are: Codes 4:3 Full Format 14:9 Box Centre 14:9 Box Top 16:9 Box Centre 16:9 Box Top Box > 16:9 Centre 4:3 SP 14:9 Centre 16:9 Full Format © Issue 1 Rev 1 Page 53 2015 Snell Limited...

  • Page 54: Arc Memories

    This operation can be carried out using RollCall. Recall memory Select the required memory to recall from the list of saved memories. Save memory Saves the current ARC settings in the memory selected under “Memory select” above. © Issue 1 Rev 1 Page 54 2015 Snell Limited...

  • Page 55: Sidebar Keyer And Output Crop (Option)

    The selection of top/bottom and left/right position are linked so that the sum of the chosen Note: crop positions cannot exceed 99% of top + bottom or left + right. © Issue 1 Rev 1 Page 55 2015 Snell Limited...

  • Page 56: Enhance

    List of values from 0 (default) to 4, which determines the amount of horizontal frequency enhancement applied. H enhance freq Selects the frequency band in which the H enhance filter is applied • Mid (Default) • High © Issue 1 Rev 1 Page 56 2015 Snell Limited...
  • Page 57 High 1: applies the above shape at a high frequency. • High 2: applies the above shape at the highest frequency. Note: the effect of these controls is determined by the conversion mode. © Issue 1 Rev 1 Page 57 2015 Snell Limited...

  • Page 58: Audio

    AES i/o (LC350 only) see section 7.8.5 AES input type (LC350 only) see section 7.8.6 In pair status see section 7.8.7 Process pr status see section 7.8.8 Our pair status see section 7.8.9 © Issue 1 Rev 1 Page 58 2015 Snell Limited...

  • Page 59: Audio Routing

    • press the rotary control again to return to the previous menu • scroll to the Back menu item and press the rotary control to return to the Audio menu © Issue 1 Rev 1 Page 59 2015 Snell Limited...

  • Page 60: Audio Shuffle

    7.8.2 Audio shuffle Audio shuffle allows you to route from each process pair to the output. This menu also enables you to insert tone or silence, and to invert audio phase. © Issue 1 Rev 1 Page 60 2015 Snell Limited...
  • Page 61 (Output pair 1 L, Output pair 1 R to Output pair 8 L, Output pair 8 R), then turn Invert phase On. Phase invert is only available for PCM audio. Note: © Issue 1 Rev 1 Page 61 2015 Snell Limited...

  • Page 62: Audio Control

    0.1 kHz. Preset = 1.0 kHz Dolby E align Dolby E alignment offset can be selected from -10 lines to 10 lines in steps of 1 line. Preset = 0 lines © Issue 1 Rev 1 Page 62 2015 Snell Limited...
  • Page 63 Therefore allow time for the global delay to settle to the desired value. • The maximum audio delay (video processing delay + added audio delay) is limited to 260ms. © Issue 1 Rev 1 Page 63 2015 Snell Limited...

  • Page 64: Analog I/O (Lc350 Only)

    In 2 headroom Adjusts the analog audio ADC headroom level for analog audio input Pair 2 from 12 dB to 24 dB in steps of 0.5 dB. Preset = 18 dB © Issue 1 Rev 1 Page 64 2015 Snell Limited...

  • Page 65: Aes I/O (Lc350 Only)

    Status information is available for each process pair from the process pair list (Process pair 1 to Process pair 8). • P = PCM • L = loss • N = non-PCM • S = silence • F = forced PCM mute © Issue 1 Rev 1 Page 65 2015 Snell Limited...

  • Page 66: Out Pair Status

    Have the left and right channels the correct way round • Not have the phase inverted • A failure of any of these conditions causes the pair to be muted and the status to be reported as “F”. © Issue 1 Rev 1 Page 66 2015 Snell Limited...

  • Page 67: System Menus

    PSU B status State and measured voltage (e.g. OK: 12Vdc; or FAIL: missing) of PSU B. Up time Reports how long the unit has been powered up, in days: hours: minutes: seconds. © Issue 1 Rev 1 Page 67 2015 Snell Limited...

  • Page 68: Genlock

    H timing Adjusts the horizontal timing of the output signal with respect to the reference signal, from pixel -2640 to pixel 2640 in steps of 1 pixel. Preset = 0 © Issue 1 Rev 1 Page 68 2015 Snell Limited...

  • Page 69: Timecode

    7.9.2.2) In trigger entry Enter the input timecode which will be the trigger for starting the free running output timecode. © Issue 1 Rev 1 Page 69 2015 Snell Limited...
  • Page 70 TC entry field when Gen TC load is confirmed. • If mode was “Follow input”, output timecode will jump to the timecode value in the Gen TC entry field as soon as the mode is changed to “Generate”. © Issue 1 Rev 1 Page 70 2015 Snell Limited...
  • Page 71 Therefore, the action on timecode loss is only applicable to the selected ATC type. • When Generate mode is selected, both ATC LTC and ATC VITC are embedded in the output. © Issue 1 Rev 1 Page 71 2015 Snell Limited...

  • Page 72: Metadata

    Incoming SD or HD closed captions and subtitles are converted to the correct format in the HD or SD output when upconverting or downconverting at the same frame rate. Menu Choice Section Closed captions see section 7.9.3.1 Teletext see section 7.9.3.2 © Issue 1 Rev 1 Page 72 2015 Snell Limited...
  • Page 73 WST origin status Reports status of the origin line WST out line Select from 7 to 22 Default = line 10 WST out line status Reports the chosen output line © Issue 1 Rev 1 Page 73 2015 Snell Limited...
  • Page 74 Out line - all pkts Select from 8 to 20 Default = line 10 Out line - status Reports the chosen output Only one WST origin line may be remapped. Note: © Issue 1 Rev 1 Page 74 2015 Snell Limited...

  • Page 75: Gpio

    Lock (prevents control using the front panel). The 'Local' LED is extinguished To prevent accidental unlocking via the front panel button it is necessary to press and hold the button for 3 Seconds to unlock. © Issue 1 Rev 1 Page 75 2015 Snell Limited...

  • Page 76: Network

    “100M full duplex” Mac address Shows the unit's MAC address IP address, netmask and gateway changes will not take effect until the “Apply IP changes” Note: control is selected and confirmed. © Issue 1 Rev 1 Page 76 2015 Snell Limited...

  • Page 77: Memory

    • Factory defaults resets IP addresses to factory defaults. If performing a factory reset via a remote link, when you select Apply IP Changes, the remote link will be lost. © Issue 1 Rev 1 Page 77 2015 Snell Limited...

  • Page 78: Logo Insertion Option

    This will upload the logo to your unit. This stage can take up to a minute depending on the length of the logo. Short or static Note: logos will upload in a few seconds. © Issue 1 Rev 1 Page 78 2015 Snell Limited...

  • Page 79: Filename Convention

    16 (black) to 235 (white). Other values are clipped. Key channel levels for all graphics formats are 0 (off) to 255 (100% key). In linear mode 'Transparency' controls both key gain and logo gain; in pre-shaped mode only key gain is controlled. © Issue 1 Rev 1 Page 79 2015 Snell Limited...

  • Page 80: Animated Logos

    This would naturally change the edge shape of the logo but the pre-processing of the key will mean that the final result will be the intended edge shape. © Issue 1 Rev 1 Page 80 2015 Snell Limited...

  • Page 81: Rollcall Accessible Functions

    Enter the name of the managed node (text string) MIB2 sysLocation Enter the physical location of the node (text string). Read/write port Select the UDP read/write port for sending and receiving requests. Default = port 161. © Issue 1 Rev 1 Page 81 2015 Snell Limited...
  • Page 82 By default most SNMP Agents have a read community value of 'public' and a write community value of 'private'. To prevent unauthorized access to a device, these values should be changed by the user. © Issue 1 Rev 1 Page 82 2015 Snell Limited...

  • Page 83: Rollcall

    State and measured voltage (e.g. OK: 12Vdc; or FAIL: missing) of (PSU_1_STATE) PSU A PSU B status State and measured voltage (e.g. OK: 12Vdc; or FAIL: missing) of (PSU_2_STATE) PSU B © Issue 1 Rev 1 Page 83 2015 Snell Limited...
  • Page 84 Reports the video output type (e.g. SD/HD/3G). (OUTPUT_1_TYPE) Output 1 state Reports the video output state (e.g. OK, FAIL). (OUTPUT_1_STATE) Output 1 Std Reports the video standard on the output (e.g. 1125 (1080) 50i). (OUTPUT_1_STANDARD) © Issue 1 Rev 1 Page 84 2015 Snell Limited...
  • Page 85 Reports the audio type on output pair 8 e.g. PCM (OUTPUT_1_EMBEDDED_AUDIO_8 _TYPE) Output Emb pair 1 state Reports the status of the audio on output pair 1 e.g. OK (OUTPUT_1_EMBEDDED_AUDIO_1 _STATE) © Issue 1 Rev 1 Page 85 2015 Snell Limited...
  • Page 86 Reports the status of the audio on output pair 7 e.g. OK (OUTPUT_1_EMBEDDED_AUDIO_7 _STATE) Output Emb pair 1 state Reports the status of the audio on output pair 8 e.g. OK (OUTPUT_1_EMBEDDED_AUDIO_8 _STATE) © Issue 1 Rev 1 Page 86 2015 Snell Limited...

  • Page 87: Setup

    Apply IP Changes, the remote link may be lost. 8.3.2 Restart The Restart button enables the unit to be rebooted. © Issue 1 Rev 1 Page 87 2015 Snell Limited...

  • Page 88: Appendix A. Setting The Unit Up For Remote Control

    Internet Explorer then double click the Control Applet icon at the top of the screen. This will generate a user interface which emulates the RollCall interface. © Issue 1 Rev 1 Page 88 2015 Snell Limited...

  • Page 89: Appendix B. Simple Conversion Set-Up: Worked Example

    Genlock from the system menu. You are now converting 1080 50i video to 1080 59i, the output of which can be viewed on the monitor connected to in step 3. © Issue 1 Rev 1 Page 89 2015 Snell Limited...

  • Page 90: Appendix C. Enhancement Function, Detailed Description

    Fig 2. Illustration of central line of the zoneplate viewed on a waveform monitor © Issue 1 Rev 1 Page 90 2015 Snell Limited...
  • Page 91 H filter and H Enhancer, as illustrated in the following figure: Fig 4. Diagrammatic form of the envelope of the waveform at the central line of the zoneplate © Issue 1 Rev 1 Page 91 2015 Snell Limited...

  • Page 92: H Filter

    Medium (Default): Optimum setting for balancing detail and alias. • High 1: applies the above shape at a high frequency. • High 2: applies the above shape at the highest frequency. © Issue 1 Rev 1 Page 92 2015 Snell Limited...
  • Page 93 Soft 2 settings apply more attenuation than the Normal setting, and the Sharp 1 and Sharp 2 settings apply less attenuation, as shown in the following figure: Fig 6. Illustration of H filter shape on the edge of the waveform envelope © Issue 1 Rev 1 Page 93 2015 Snell Limited...

  • Page 94: Using The H Filter In Down Conversion

    Illustration of H filter frequency adjustments in down conversion In down conversion, the H Filter shape adjusts the shape of the envelope for each of the H filter frequency bands in the same way as for upconversion. © Issue 1 Rev 1 Page 94 2015 Snell Limited...

  • Page 95: H Enhance

    H Enhance applies equally to all conversions (up, down and cross). Note: Fig 9. Illustration of H enhance for high horizontal frequencies © Issue 1 Rev 1 Page 95 2015 Snell Limited...

  • Page 96: Enhance

    (at the edge of the zoneplate) to zero (at the centre of the zoneplate), as shown in the following figure: Fig 10. Zoneplate spatial view showing notional analysis of the central column © Issue 1 Rev 1 Page 96 2015 Snell Limited...
  • Page 97 Fig 11. Illustration of waveform envelope in the vertical central line of the zoneplate The V enhance function affects the picture differently in up and down conversion, which will be discussed separately in appendix C.4.1. © Issue 1 Rev 1 Page 97 2015 Snell Limited...

  • Page 98: Using V Enhance In Up And Cross Conversion

    Sharp 2 shape, Low means a small amount of boost added, whereas High means a larger amount of boost, as shown in the following figure: Fig 12. Illustration of V enhance in upconversion © Issue 1 Rev 1 Page 98 2015 Snell Limited...

  • Page 99: Using V Enhance In Down And Cross Conversion

    In down conversion, the Low, Mid and High frequency controls determine the frequencies over which the V shaping takes place, as shown in the following figure: Fig 13. Illustration of V enhance in down conversion © Issue 1 Rev 1 Page 99 2015 Snell Limited...

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