|
Leader LT 448 Multiformat Pattern Gen.
| MULTIFORMAT
PATTERN GENERATOR LT 448 |
| 29 formats
of DTV signals conforming to ISDBATSCDVB standards
throughout the world |
|
Data Sheet
Manual
| Model |
Description |
List Price |
Sale Price |
| LT448 |
Multi Format Pattern Generator |
$6095.00 |
|
|
| Video Signal |
Video Data
Quantization Parameter |
Number of Bits
(Common to G/Y, B/PB, R/PR):
8 bits (except sync signals) |
| Component Signal |
* Specifications are common to both HDTV
and SDTV
unless otherwise noted.
Specifications
HDTV: Conforms to SMPTE PR160 standards.
SDTV: Conforms to EBU-N10, SMPTE 253M standards.
Video Signal Format: G, B, R or Y, PB, PR
can
be selected via the front panel controls.
Output Impedance: 75 
Output Connector: BNC, 15-pin mini D-sub, D connector ,
Simultaneous output
Number of Outputs
BNC (G, B, R/Y, PB, PR,
selectable): 2
15-Pin Mini D-sub: 1
D connector: 1
Sync Signal
Tri-Level
HDTV: Added to G/Y, B/PB,
and R/PR
Binary Level
SDTV: Added to G/Y
Output Control Function
Sync Signal ON/OFF: Settable for G, B, R
INVERT: Inverts pattern. |
| Composite Signal |
* In NTSC system, specifications are common
to
NTSC-M (USA) and NTSC-J (Japan) unless otherwise noted.
Specifications: Conforms SMPTE 170M, ITU-R BT.470 standards
Color System: NTSC, NTSC 4.43, PAL, PAL-M, PAL-N,
PAL-60, SECAM
Setup Level: 0 % fixed for monoscope pattern
NTSC-M, PAL-M: 7.5 %
NTSC-J, NTSC4.43, PAL, PAL-N, PAL-60: 0 %
SECAM: 0 %
Output Impedance: 75 
Output Connector: BNC, RCA jack
Number of Outputs: 1 each
Output Control Function
INVERT: Inverts luminance only.
|
| Y/C Separation Signal |
Specifications: Conforms to JEITA CPR-1201
standards
Signal Specifications: Same as the composite signal (except NTSC-J)
Output Connector: S connector
Number of Outputs: 1
Aspect Ratio ID Signal: Superimposed on the C signal in NTSC-J mode
Output Impedance in DC: 10 k
3
k
Aspect Ratio ID Signal Voltage: 0 V fixed for all formats (except NTSC-J)
S1 (squeeze signal output): 5 V
S2 (letter box signal output): 2.2 V
4:3 Signal Output: 0 V
Output Control Function
INVERT: Inverts luminance only. |
| Computer Monitor Signal |
Specifications: Conforms to VESA STANDARDS
Video Signal Format: G, B, R
Output Impedance: 75
Output Connector: BNC, 15-pin mini D-sub, simultaneous output
Number of Outputs
BNC (G, B, R Only): 2
15-Pin Mini D-sub: 1
Sync Signal
Binary Level: Added to G
Output Control Function
SYNC ON G: ON/OFF, selectable
INVERT: Inverts pattern. |
D Connector
Output
(Applicable to D5) |
Specifications: Conforms to JEITA CP-4120
(D1/D2/D3/D4/D5 outputs),
RC-5237 standards
Video Signal
Signal Specifications: Same as the component signal
Format: G, B, R or Y, PB, PR
can be selected via the front panel controls.
Output: Always output; does not detect whether a plug is inserted.
|
| ID Signal |
| No. |
Format |
Line |
No. |
Format |
Line |
1
(V) |
2
(V) |
3
(V) |
1
(V) |
2
(V) |
3
(V) |
| Component, HDTV |
Composite |
| 1 |
1080p/59.94 |
5 |
5 |
5 |
18 |
NTSC-M |
0 |
0 |
0 |
| 2 |
1080i/59.94 |
5 |
0 |
5 |
19 |
NTSC-J 4:3
(S)
(L) |
0
0
0 |
0
0
0 |
0
0
0 |
| 3 |
1080p/29.97 |
5 |
2.2 |
5 |
| 4 |
1080p/23.98 |
5 |
2.2 |
5 |
| 5 |
1080PsF/23.98 |
5 |
0 |
5 |
20 |
NTSC 4.43 |
0 |
0 |
0 |
| 6 |
1080p/50 |
5 |
5 |
5 |
21 |
PAL |
0 |
0 |
0 |
| 7 |
1080p/25 |
5 |
2.2 |
5 |
22 |
PAL-M |
0 |
0 |
0 |
| 8 |
1080i/50 |
5 |
0 |
5 |
23 |
PAL-N |
0 |
0 |
0 |
| 9 |
720p/59.94 |
2.2 |
5 |
5 |
24 |
PAL-60 |
0 |
0 |
0 |
| 10 |
720p/29.97 |
2.2 |
2.2 |
5 |
25 |
SECAM |
0 |
0 |
0 |
| 11 |
720p/23.98 |
2.2 |
2.2 |
5 |
Computer Monitor |
| 12 |
720p/50 |
2.2 |
2.2 |
5 |
26 |
VGA |
0 |
0 |
0 |
| 13 |
720p/25 |
2.2 |
2.2 |
5 |
27 |
SVGA |
0 |
0 |
0 |
| Component, SDTV |
28 |
XGA |
0 |
0 |
0 |
| 14 |
480p/60 |
0 |
5 |
5 |
29 |
SXGA |
0 |
0 |
0 |
| 15 |
480i/60 4:3
(S)
(L) |
0
0
0 |
0
0
0 |
0
5
2.2 |
Note that the formats not
prescribed by JEITA CP-4120 standards are dedicated for
this instrument. |
| 16 |
576p/50 |
0 |
2.2 |
5 |
| 17 |
576i/50 4:3
(S)
(L) |
0
0
0 |
2.2
2.2
2.2 |
0
5
2.2 |
|
Output Impedance in DC: 10 k
3
k 
Auxiliary Lines 1, 2, 3: No connection
Connector: D connector conforming to JEITA RC-5237 standards
D Connector Pin Assignments
| Pin No. |
Signal |
Pin No. |
Signal |
| 1 |
G/Y |
8 |
Line 1 |
| 2 |
G/Y_GND |
9 |
Line 2 |
| 3 |
B/PB |
10 |
Auxiliary line 2 |
| 4 |
B/PB_GND |
11 |
Line 3 |
| 5 |
R/PR |
12 |
Detects whether a plug is inserted. GND |
| 6 |
R/PR_GND |
13 |
Auxiliary line 3 |
| 7 |
Auxiliary line 1 |
14 |
Detects whether a plug is inserted. |
|
| DVI Output |
Specifications: Conforms to DDWG (Digital Display
Working Group) DVI standards.
Signal Format: Single Link T.M.D.S (digital signal only)
Applicable Format:
VGA, SVGA, XGA
HDTV (except 1080p/60, 1080p/50, 720p/24)
SDTV (except 480i/60, 576i/50)
DDC Function: Not available
HOT PLUG Detection: Not available
Output Control Function
INVERT: Inverts pattern.
Output Connector: DVI-D
Number of Outputs: 1
|
|
DVI Connector Pin Assignments
| Pin No. |
Signal |
Pin No. |
Signal |
| 1 |
T.M.D.S Data 2- |
13 |
No Connect |
| 2 |
T.M.D.S Data2+ |
14 |
+5 V Power |
| 3 |
T.M.D.S Data2 Shield |
15 |
GND(for +5 V) |
| 4 |
No Connect |
16 |
No Connect |
| 5 |
No Connect |
17 |
T.M.D.S Data0- |
| 6 |
No Connect |
18 |
T.M.D.S Data0+ |
| 7 |
No Connect |
19 |
T.M.D.S Data0 Shield |
| 8 |
No Connect |
20 |
No Connect |
| 9 |
T.M.D.S Data1- |
21 |
No Connect |
| 10 |
T.M.D.S Data1+ |
22 |
T.M.D.S Clock Shield |
| 11 |
T.M.D.S Data1 Shield |
23 |
T.M.D.S Clock+ |
| 12 |
No Connect |
24 |
T.M.D.S Clock- |
*No signal is output when Y, PB, PR
is selected in the VGA format. |
|
| 15-Pin Mini D-Sub |
15-pin mini D-sub Connector Pin
Assignments
| Pin No. |
Signal |
Pin No. |
Signal |
| 1 |
R/PR |
9 |
Auxiliary |
| 2 |
G/Y |
10 |
SYNC GND |
| 3 |
B/PB |
11 |
Auxiliary |
| 4 |
GND |
12 |
Auxiliary |
| 5 |
GND |
13 |
HD |
| 6 |
R/PR GND |
14 |
VD |
| 7 |
G/Y GND |
15 |
Auxiliary |
| 8 |
B/PB GND |
|
* For the G/Y, B/PB, R/PR,
selecting the format can output Y, PB, PR
or G, B, R. |
| G, B, R Level Control |
| Function: |
G, B, R output level can be respectively adjusted by
using the screwdriver adjustment on the bottom. |
| Adjustable Range: |
0 to 1.0 Vp-p (into 75
load, active picture) |
|
| Sync Signal Output |
| CS Output |
Output Impedance: 75 
Output Connector: BNC
Number of Outputs: 2 |
| HD Output |
Level: TTL level
Output Connector: BNC, 15-pin mini D-sub
Number of Outputs
BNC: 2
15-pin mini D-sub: 1
Output Polarity: Negative (positive for SVGA, SXGA),
Selectable in user setting mode |
| VD Output |
Level: TTL level
Output Connector: BNC, 15-pin mini D-sub
Number of Outputs
BNC: 2
15-pin mini D-sub: 1
Output Polarity: Negative (positive for SVGA, SXGA),
Selectable in user setting mode |
| Audio
Signal |
| Frequency |
OFF/ 1 kHz/ 400 Hz, selectable |
| Output Level |
1.2 Vp-p 0.12
V (into 600
load) |
| Output Impedance |
600  |
| Output Connector |
RCA jack |
| Number of Outputs |
2 each |
| Functions |
| Startup Memory |
Front panel settings are stored in the
internal memory when power is turned on. |
| Preset/Recall |
Up to 100 front panel settings (address
00 to 99) can be stored/recalled. |
| Area Settings |
Consecutive addresses, out of 100
addresses, can be recalled.
Begin address: BEGIN
End address: END |
| Remote Control |
Front panel controls can be remotely
controlled with a personal computer via the RS-232C interface. |
| Address Remote Control Mode |
By grounding the connector pin, the
address to be recalled can be incremented (INC) or decremented (DEC).
The begin address (BEGIN) can also be set by grounding the pin. |
| User Setting Mode |
| HD Output, VD Output: |
Output polarity can be set in each format. |
| Ramp Pattern: |
Superimposing this signal on the PB,
PR output can be set ON/ OFF. |
| Step Pattern: |
Superimposing this signal on the PB,
PR output can be set ON/ OFF. |
| Multiburst Pattern: |
Superimposing this signal on the PB,
PR output can be set ON/ OFF. |
|
| Environmental Conditions |
| Operating Temperature |
0 to 40 °C |
| Operating Humidity |
90 % RH (without condensation) |
| Spec Guaranteed Temperature |
10 to 30 °C |
| Spec Guaranteed Humidity |
85 % RH (without condensation) |
| Operating Environment |
Indoor use |
| Operating Altitude |
Up to 2,000 m |
| Overvoltage Category |
II |
| Pollution Degree |
2 |
| Power
Requirements |
90 to 250 VAC (50 Hz/60 Hz),
60 W max. |
| Dimensions
and Weight |
426 (W) 88 (H) 400 (D) mm
(excluding projections), 5.6 kg |
| Accessories |
Power cord.....1
Instruction manual.....1 |
|