MC1377DW

更新时间： 2024-02-15 13:05:38

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		电视编码器
页数	文件大小	规格书
18页	646K
描述
COLOR TELEVISION RGB to PAL/NTSC ENCODER

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技术参数
数据手册

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MC1377DW 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	DIP, DIP20,.3	Reach Compliance Code：	unknown
风险等级：	5.92	商用集成电路类型：	COLOR SIGNAL ENCODER
JESD-30 代码：	R-PDIP-T20	JESD-609代码：	e0
端子数量：	20	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP	封装等效代码：	DIP20,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
认证状态：	Not Qualified	子类别：	Color Signal Converters
表面贴装：	NO	技术：	BIPOLAR
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL

MC1377DW 数据手册

MC1377

APPLICATIONS INFORMATION

S–VHS

In full RGB systems (Figure 18), three information

components of luminance and color can then be separated

by the use of a comb filter in the monitor or receiver. This

technique has not been widely used in consumer products,

due to cost, but it is rapidly becoming less expensive and

more common. Another technique which is gaining popularity

is S–VHS (Super VHS).

In S–VHS, the chroma and luma information are contained

on separate channels. This allows the bandwidth of both the

chroma and luma channels to be as wide as the monitors

ability to reproduce the extra high frequency information. An

output coupling circuit for the composite chroma using the

TOKO transformer is shown in Figure 19. It is composed of

the bandpass transformer and an output buffer and has the

frequency performance shown in Figure 20. The composite

output (Pin 9) then produces the luma information as well as

composite sync and blanking.

channels are provided from the signal source to the display to

permit unimpaired image resolution. The detail reproduction

of the system is limited only by the signal bandwidth and the

capability of the color display device. Also, higher than

normal sweep rates may be employed to add more lines

within a vertical period and three separate projection picture

tubes can be used to eliminate the “shadow mask” limitations

of a conventional color CRT.

Figure 21 shows the “baseband” components of a studio

NTSC signal. As in the previous example, energy is

concentrated at multiples of the horizontal sweep frequency.

The system is further refined by precisely locating the color

subcarrier midway between luminance spectral components.

This places all color spectra between luminance spectra and

can be accomplished in the MC1377 only if “full interlaced”

external color reference and sync are applied. The individual

Figure 17. Spectra of a Full RGB System

Figure 19. Frequency Response of

Chroma Coupling Circuit

Red

Green

Blue

1.0

2.0

3.0

4–8

f, FREQUENCY (MHz)

–6 dB

Figure 18. S–VHS Output Buffer

+12Vdc

1.0µF

16k 33

100/62pF*

220

1000pF

Composite

Chroma

Out

6.8k

f, MHz

2.7

3.66

4.5

47/33pF*

3.3k

8.2k

+12Vdc

0.1µF

**Refers to different component values used for NTSC/PAL (3.58 MHz/4.43 MHz).

**Toko 166NNF–1026AG

MOTOROLA ANALOG IC DEVICE DATA

1...9 10 111213 14 15...18

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与MC1377DW相关器件

型号	品牌	描述	获取价格	数据表
MC1377FN	MOTOROLA	Color Signal Encoder, Bipolar, PQCC20	获取价格
MC1377P	MOTOROLA	COLOR TELEVISION RGB to PAL/NTSC ENCODER	获取价格
MC1377PD	MOTOROLA	暂无描述	获取价格
MC1377PDS	MOTOROLA	Color Signal Encoder, Bipolar, PDIP20	获取价格
MC1377PS	MOTOROLA	Color Signal Encoder, Bipolar, PDIP20	获取价格
MC1378	MOTOROLA	COLOR TELEVISION COMPOSITE VIDEO OVERLAY SYNCHRONIZER	获取价格

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