参数资料
型号: MC144144P
厂商: MOTOROLA INC
元件分类: 颜色信号转换
英文描述: Digital Signal Processors 44-JLCC -55 to 125
中文描述: COLOR SIGNAL DECODER, PDIP18
封装: PLASTIC, DIP-18
文件页数: 6/44页
文件大小: 565K
代理商: MC144144P
MC144144
6
MOTOROLA
NOTES:
1. Timing parameters derived from the NAB Engineering Handbook 7th Edition, page 5.4–75.
2. Dot period = 82.76 ns.
3. An assumption is made that the delay through the low–pass filter is 220 ns. Therefore, the timing of the output signals is normally set so
that the start of the leading box preceding the first displayable character cell occurs at 13.4 to 13.7
μ
s after the midpoint of the leading edge
of the horizontal sync pulse at Point A. The 13.4 to 13.7
μ
s value may be altered via a mask option; contact your Motorola representative.
100 IRE
(REFERENCE WHITE)
0 IRE
(BLANKING LEVEL)
–40 IRE
COMPOSITE
VIDEO
OUTPUTS
COLOR
BURST
CELL WIDTH = 1.324
μ
s
CHAR LUM = 42.370
μ
s
BOX = 45.018
μ
s
35.73
μ
s
A
LOW–PASS
FILTER
MC144144
CENTER OF ACTIVE VIDEO
13.5
μ
s
VIDEO
IN
C
C
C
C
Figure 1. Timing of Output Signals Relative to Composite Video at Point A
相关PDF资料
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MC14415DW Digital Signal Processors 40-CDIP SB -55 to 125
MC14415FL Quad Precision Timer/Driver
MC14415FP Quad Precision Timer/Driver
MC14415VL Digital Signal Processors 68-CPGA -55 to 125
MC14415VP Digital Signal Processors 68-LCCC -55 to 125
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