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MC44353DW中文资料

厂家型号

MC44353DW

文件大小

441.75Kbytes

页面数量

20

功能描述

MULTI?밪TANDARD AND PAL/NTSC MODULATOR ICs

数据手册

下载地址一下载地址二到原厂下载

简称

MOTOROLA摩托罗拉

生产厂商

Motorola, Inc

中文名称

加尔文制造公司官网

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MC44353DW数据手册规格书PDF详情

PLL Tuned UHF Audio/Video Modulator ICs for PAL, SECAM and NTSC TV Systems

These modulator circuits are intended for use in VCRs, satellite receivers, set–top boxes, video games, etc. An on–chip high speed I2C compatible bus receiver is included and is used to set the channel, tuned by a PLL over the full range in the UHF bands. The modulator incorporates a sound subcarrier oscillator, using a second PLL to derive 4.5, 5.5, 6.0 and 6.5 MHz carrier frequencies, selectable by the bus.

For the sound, either frequency modulation with pre–emphasis or amplitude modulation (MC44353 only) is possible. A control bit (MC44353 only) is used to select AM sound with positive RF modulation (system L). The level of the sound carrier with respect to the vision carrier and the modulation depth of both sound and vision may be adjusted by means of the bus. In addition, an on–chip video test pattern generator may be switched in with a 1.0 kHz audio test signal.

• Channel 21 through 69 UHF Operation (471 MHz to 855 MHz)

• On–Chip Low Power Operational Amplifier for Direct Tuning Varactor Voltage

• Single–Ended Output for Low Cost and Ease of Interface

• Low External Component Count

• High Speed I2C Bus Compatible

• Programmable Video Modulation Depth (8 Steps of 2.5)

• Programmable Picture/Sound Carriers Ratio and Audio Sensitivity (8 Steps of 1.0 dB)

• On–Chip Programmable Sound Subcarrier Oscillator (4.5 MHz to 6.5 MHz)

• On–Chip Video Test Pattern Generator with Sound Test Signal (1.0 kHz)

• VCC Standby Mode (Typ 500 µA)

• Transient Output Inhibit During PLL Lock–Up at Power–On

更新时间:2025-8-1 16:07:00
供应商 型号 品牌 批号 封装 库存 备注 价格
MOTOROLA
24+
2978
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MOTOROLA
23+
PLCC-44
9526
MOTOROLA
22+
SOP
3000
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MOTOROLA/摩托罗拉
2023+
SOP
8635
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MOTOROLA/摩托罗拉
22+
SOP20
25000
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MOTOROLA/摩托罗拉
23+
SOP
50000
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MOTOROLA/摩托罗拉
2447
SOP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
MOTOROLA/摩托罗拉
21+
SOP
6000
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MOTOROLA/摩托罗拉
23+
SOP
50000
全新原装正品现货,支持订货
MOTOROLA/摩托罗拉
23+
SOP
10000
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Motorola, Inc 加尔文制造公司

中文资料: 15131条

摩托罗拉(Motorola)是全球集成通讯方案和嵌入电子方案的领导者,该分部目前共有人员约32,000人,分布在制造厂、实验室、技术设计中心及全球销售机构。摩托罗拉Motorola公司的半导体分部设在美国的克萨斯州的Austin。是世界头号嵌入处理器制造商,所生产的嵌入芯片无处不在,从蜂窝电话、桌面电脑、Internet收发器件、打印机、多媒体产品、数码相机到运输核工业应用如安全气囊、卫星全球定位系统,都可以发现嵌入芯片的踪影。它的集成通讯方案包括:软件增强无线电话、two-wayradio、messaging和卫星通讯产品及系统,也包括网络产品和Internet接入产品。