Singmai Electronics SM01 Manuale utente

SM01

Standard Definition Video

Encoder

and

Pattern Generator

User Manual

Revision 0.5

27th February 2015

Contents

Contents........................................................................................................ 2

Tables ........................................................................................................... 3

Figures..........................................................................................................3

1. Introduction ............................................................................................... 5

2. Connecting up the SM01 ..........................................................................7

3. Quick Start Guide....................................................................................10

Switch On and Control............................................................................10

Menu control...........................................................................................12

4. SM01 Patterns ........................................................................................19

75% Colour bars.....................................................................................19

100% Colour bars...................................................................................20

SMPTE Colour bars (NTSC only)...........................................................21

75% Bars + Red (PAL only)....................................................................23

Ramp......................................................................................................23

10-step staircase (960H only).................................................................24

5-step staircase ......................................................................................25

CCIR330 (PAL only)...............................................................................25

N7CMPF (NTC-7 Composite, NTSC only).............................................26

CCIR17 (PAL only).................................................................................27

2T20TPB (960H only).............................................................................28

Black.......................................................................................................28

White.......................................................................................................28

Pedestal (525 line), 50% F/F (625 line)..................................................28

Bounce....................................................................................................29

Sweep.....................................................................................................29

FCCMB (NTSC only)..............................................................................30

CCIR18 (PAL only).................................................................................30

Multi (960H only).....................................................................................31

N7CMBF (NTC-7 Combination –NTSC only)........................................32

CCIR331 (PAL only)...............................................................................32

Gamut.....................................................................................................33

Pathological (NTSC/PAL only) ...............................................................34

Bowtie (960H only) .................................................................................34

Matrix......................................................................................................35

Zone Plate ..............................................................................................36

H sweep/V sweep/Zone Pl (NTSC1280/PAL1280 only) ........................39

H Freq (NTSC1280/PAL1280 only)........................................................ 40

5. SM01 Noise generator............................................................................41

Appendix A: SM01 specification .................................................................42

Appendix B: Power supply specification..................................................... 60

Tables

Table 1 CVBS output specification................................................................8

Table 2 Analogue Component output Specifications ....................................9

Table 3 SDI Output Specifications.................................................................9

Table 4 SDI Input specification......................................................................9

Table 5 SM01 Patterns............................................................................... 15

Table 6 75% colour bars composite output levels...................................... 20

Table 7 100% colour bars composite levels............................................... 21

Table 8 NTSC/PAL timing specifications.................................................... 43

Figures

Figure 1 SM01 rear panel..............................................................................7

Figure 2 SM01 AC-DC converter...................................................................8

Figure 3 SM01 Front panel......................................................................... 10

Figure 4 SM01 Menu structure................................................................... 12

Figure 5 75% Component colour bar waveform......................................... 19

Figure 6 100% Colour bar waveform.......................................................... 20

Figure 7 SMPTE Colour Bar component waveform ................................... 22

Figure 8 SMPTE Reverse colour bars waveform....................................... 22

Figure 9 SMPTE Pluge waveform .............................................................. 23

Figure 10 Limit ramp waveform.................................................................. 24

Figure 11 960H 10-step waveform............................................................. 24

Figure 12 5-step staircase waveform. ........................................................ 25

Figure 13 CCIR330 waveform.................................................................... 26

Figure 14 N7CMPF (NTC-7) Component Waveform ................................. 27

Figure 15 CCIR17 Waveform ..................................................................... 28

Figure 16 Sweep Waveform....................................................................... 29

Figure 17 FCCMB Waveform ..................................................................... 30

Figure 18 CCIR18 Waveform ..................................................................... 31

Figure 19 N7CMBF Component Waveform................................................ 32

Figure 20 CCIR331 Waveform ................................................................... 33

Figure 21 Gamut Waveform ....................................................................... 33

Figure 22 Bowtie waveform........................................................................ 34

Figure 23 Bowtie markers waveform.......................................................... 35

Figure 24 Matrix test signal......................................................................... 36

Figure 25 The circular zone plate............................................................... 37

Figure 26 The zone plate horizontal frequency response. ......................... 38

Figure 27 Left side: The zone plate shows flickering colours at the

subcarrier frequency as the line comb fails on the zone plate image.........39

Figure 28 Hum generator............................................................................41

Figure 29 PAL horizontal timing (composite output)...................................43

Figure 30 PAL vertical timing (composite output).......................................44

Figure 31 NTSC Horizontal timing (composite output)...............................45

Figure 32 NTSC Vertical timing (composite output). ..................................46

Figure 33 NTSC 75% colour bar composite output....................................47

Figure 34 NTSC 75% colour bars vectors ..................................................48

Figure 35 PAL 75% colour bars (composite output)...................................49

Figure 36 PAL 75% colour bars vectors ..................................................... 50

Figure 37 NTSC K_Factor measurement..................................................51

Figure 38 NTSC NTC-7 Luma/Chroma delay/gain measurement..............52

Figure 39 NTSC Differential gain/phase measurement..............................53

Figure 40 NTSC noise measurement (Pedestal waveform).......................54

Figure 41 Luma frequency response (CCIR18 test signal). .......................55

Figure 42 Chrominance non-linearity (using N7C-Combination test signal).

.................................................................................................................... 56

Figure 43 SDI output 525 line format measurement...................................57

Figure 44 SDI output 625 line format measurement...................................57

Figure 45 SDI output 625 line eye pattern..................................................58

Figure 46 SDI output 625 line jitter measurement......................................59

Figure 47 AC-DC converter specification: Page 1......................................60

Figure 48 AC-DC converter specification: Page 2......................................61

Figure 49 AC-DC converter specification: Page 3......................................62

1. Introduction

SM01 is a video encoder and pattern generator supporting standard

definition video standards.

As a video pattern generator, SM01 can generate 15 NTSC, 15 PAL and 15

960H line based patterns, a zone plate generator, and a programmable

12MHz maximum horizontal frequency sweep. These are output as

simultaneous SDI (SMPTE-259M –NTSC/PAL only), YPbPr component,

NTSC-M/J/443 or PAL-M/60 (for 525 line standards) or PAL-BG/I or PAL-N

(for 625 line standards) or 960H (NTSC or PAL) or 1280H (NTSC or PAL –

zone plate, vertical and horizontal sweep only) formats.

Patterns available include:

75%/100%/SMPTE/Bars+Red colour bars

Black/White/50% grey flat fields

2T, 20T and Pulse bar

CCIR17/18/330 and 331

FCC Comp and FCC MB

N7C MBF and N7C MPF

Ramp

Multi-burst

Horizontal (up to 12MHz) and Vertical Sweeps

5/10 step linearity

Pathological (SDI test)

Gamut

Bowtie

Circular Zone Plate

In addition programmable amplitude noise may be added to the CVBS

pattern output. Noise can be 50Hz or 60Hz hum and/or white noise.

As a video encoder SM01 accepts 525 or 625 line SMPTE-259M inputs

which it encodes to simultaneous SDI (SMPTE-259M), YPbPr component

and NTSC-M/J/443, PAL-M/PAL-60 (525 line standards) or PAL-BG/I, PAL-

N (for 625 line standards). Again noise may be added to the CVBS output.

Controls provided include:

CVBS amplitude

CVBS Luma amplitude

CVBS Chroma amplitude

CVBS Burst amplitude

CVBS Sync amplitude

CVBS Black level

NTSC Hue (Chroma phase)

CVBS subcarrier frequency

YPbPr Luma amplitude

YPbPr Chroma amplitude

YPbPr Sync amplitude

YPbPr Black level

SM01 is powered by a universal input power supply and controlled with a

simple and intuitive selection menu.

2. Connecting up the SM01

All connections to the SM01 are made via the rear panel: see Figure 1.

Figure 1 SM01 rear panel.

The AC-DC converter connects to the left hand jack. The SM01 input is

protected against reverse polarity. The converter supplied with the SM01 is

a model MW173KB manufactured by SL Power Electronics Corp. and

provides 9VDC at 3A and accepts AC inputs from 100-240VAC. Connect

the supplied power cord to the AC-DC converter and output DC of the

converter to the 9VDC Power In input of the SM01.

Figure 2 SM01 AC-DC converter

A full specification for the supplied AC-DC converter may be found in

Appendix B.

The SM01 provides both analogue and digital component outputs for

connecting to the equipment under test.

The CVBS (NTSC/PAL) output is connected to the BNC, ‘CVBS Out’. The

specification for the output is shown in Table 1. The composite output

specification is detailed in Appendix A.

Parameter

Specification

Comments

Connector Type

BNC

Output impedance

75Ω

Output return loss

>30dB

0-5MHz

CVBS output level

1.0V pk.pk

Nominal peak Y to sync tip

for 100% colour bars input

Table 1 CVBS output specification.

The analogue component outputs are connected to the BNCs, ‘Y Out’, ‘Pb

Out’and ‘Pr Out’. The specification for the outputs is shown in Table 2. The

component output specification is detailed in Appendix A.

Parameter

Specification

Comments

Connector Type

BNC

Output impedance

75Ω

Output return loss

>30dB

0-5MHz

Y output level

1.0V pk.pk

Nominal 100% colour bars

input

Cb/Cr output levels

700mV pk-pk

Nominal 100% colour bars

input

Table 2 Analogue Component output Specifications

The serial digital interface (SDI) output is connected to the ‘SDI Out’BNC

and its specifications are shown in Table 3.

The SDI output conforms to the SMPTE-259M specification. The SDI output

specification is detailed in Appendix A.

Parameter

Specification

Comments

Connector Type

BNC

Output impedance

75Ω

Fixed termination

Output return loss

>15dB

50Hz-270MHz

Output level

800mV pk-pk ± 10%

Jitter

<0.2UI

Table 3 SDI Output Specifications

The serial digital interface (SDI) input (only used in encoder mode) is

connected to the ‘SDI In’ BNC and its specifications are shown in Table 4.

The SDI input conforms to the SMPTE-259M specification.

Parameter

Specification

Comments

Connector Type

BNC

Input impedance

75Ω

Fixed termination

Input return loss

>15dB

50Hz-270MHz

Input level

800mV pk-pk

Nominal

Table 4 SDI Input specification.

3. Quick Start Guide

Switch On and Control

Connect the AC-DC converter 9VDC cable into the rear panel power in

socket. Connect the AC supply to a local AC supply between 110-240VAC.

The Standby LED should light. Push the Adjust control and the unit will

switch on and the welcome message will be displayed (SingMai SM01).

To switch off the SM01 push the Adjust control again.

The front panel of the SM01 is shown in Figure 3.

Figure 3 SM01 Front panel.

There are just two controls for the SM01. The right hand control (Adjust)

switches the unit between On and Standby by pushing it whilst also

adjusting the value of parameters by rotating the knob left or right. The

central switch (Select) selects the chosen menu parameter and switches

preset parameters between, for example, on and off.

After the welcome message (‘SingMai, SM01’) is displayed for a few

seconds the LCD display will show the available top level menus. A left

hand arrow indicates which menu is ‘active’. Rotating the Adjust control will

show all the available menus; after the last of the menus an up arrow is

shown.

To select a menu ensure the left arrow is by the side of the required top

level menu and press the Select button. Those menu options will then be

displayed.

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