B&K Precision 1249B - Datasheet User Manual
Accessories, Model 1249b, Model 1211e

Accessories
74
1211E
1249B
Model 1249B
NTSC Generator with RGB
The 1249B is ideal for comprehensive testing,
servicing and adjustment of video and televi-
sion equipment, television receivers, video tape
recorders, video monitors, closed circuit televi-
sion systems and components, and master
antenna systems and components.
■
NTSC color bar pattern, ±5 and
±5 IEEE units
■
CH 3, CH 4, and IF outputs
crystal controlled
■
Calibrated 1Vp-p or variable
composite video output
■
RGB outputs on BNC or 9-pin
D connector
■
Composite sync, vertical sync,
and horizontal sync outputs
■
Interlaced or progressive scan
■
30 Hz signal is provided for
isolation of servo problems in VCR’s
Model 1211E
Portable NTSC Pattern
Generator with S-Video,
Composite Video and
RF outputs
This handheld NTSC Pattern Generator is
powered by a 9 volt battery or AC adapter
providing NTSC color bars, crosshatch, dot,
staircase, circle, center cross, windows, and
a full range of color raster patterns. The out-
puts available are composite video via RCA
connector, a RF output BNC connector, or an
S-Video mini-DIN output. Signals can be pro-
duced as an interlaced or progressive scanning
mode.
■
S-Video, composite video,
RF output
■
Interlace or progressive scanning
system
■
9VDC battery (included)
■
AC adapter available
Color Bars
White (75% or 100%, switch selectable)
White, Yellow, Cyan, Green,
Yellow, Cyan, Green, Magenta, Red,
Magenta, Red, Blue, and Black
Blue, Black (7.5% set-up)
Chroma
Switch Selectable
Auto/Manual
Accuracy
±5˚ and ±5 IEEE
Staircase
COLOR OFF obtains staircase
Linear staircase signal with 5 equal
from color bars
steps from black to white
Rasters
Black
White, Red, Green, Blue, Yellow,
Cyan, Magenta, and Black
Window
Does not apply
White window on black background
Convergence
Center dot
15 vertical x 11 horizontal
7x11 dots
white dots on black raster
7x11 crosshatch
white lines on black raster
Center Cross
Centering Box on screen
Circle with 1x1 crosshatch
RF Output
Channels: CH 3, CH 4, IF.
CH3 = 61.25MHz, crystal controlled
61.25, 67.25, 45.75 MHz±0.008 MHz
Level
10 mV rms minimum into 75
Ω
Impedance
75
Ω
75
Ω
Stability
50 ppm.
S-Video
Does not apply
Chrominance Output: 0.75V
p-p into 75
Ω
Luminance plus Sync Output:
1V p-p into 75
Ω
Composite Video
1V p-p into 75
Ω
1.2V p-p into 75
Ω
Negative or positive polarity sync available
Amplitude
Variable 0 to ±1.2V p-p into 75
Ω
Calibrated 1V p-p position with negative sync.
Impedance
75
Ω
RGB Output
Patterns
BNC and D-Type Sub-Miniature Connectors.
Does not apply
convergence and color bars
Level
TTL level and low level, (0.8±0.2V), switch selectable
Impedance
75
Ω
Sound
4.5 MHz ±0.2% modulated by approximately
1 kHz audio tone, switch selectable
Sync Outputs
Composite
NTSC-M TTL level; interlace for NTSC color bars
Does not apply
and switch selectable interlace or progressive for
convergence patterns (negative polarity sync)
Horizontal
TTL level (Positive polarity sync.)
Vertical
TTL level (Positive polarity sync.)
Impedance
75
Ω
Color Subcarrier
NTSC signal: 3.579545 MHz (+50Hz)
Power Source
105 to 130VAC, 60Hz, 8W
9V battery or AC Adapter (not included)
(9V DC, 100mA 5.5mm x 2.5mm center pin)
Operating Temperature
32˚ to 122˚F (0˚to +50˚C)
Dimensions
3.39 x 10.39 x 11.42" (86 x 264 x 290mm)
1.5 x 3.8 x 5.7" (38 x 97 x 145mm)
Weight
2.8 lbs (1.3kg)
9.6oz. (272g)
Specifications
models
1249B
1211E
SUPPLIED: instruction Manual, 9V battery (1211E)
OPTIONAL: BE-12 AC adapter
One Year Warranty