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MC44BC375TD中文資料恩智浦?jǐn)?shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

MC44BC375TD
廠商型號(hào)

MC44BC375TD

功能描述

MC44BC375/U/J/T PLL Tuned VHF Audio/Video High Integration Modulator ICs

文件大小

626.89 Kbytes

頁(yè)面數(shù)量

20 頁(yè)

生產(chǎn)廠商 NXP Semiconductors
企業(yè)簡(jiǎn)稱

nxp恩智浦

中文名稱

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更新時(shí)間

2025-1-28 14:40:00

MC44BC375TD規(guī)格書(shū)詳情

Features

Channels are selectable using pin Channel Selection (CHS) and tuned by a PLL. They do not require any

external tank circuit components thus reducing the sensitivity of the PCB design and the need for external

adjustments. The PLL obtains its reference from a 4MHz crystal oscillator.

The sound subcarrier is also generated on-chip without external components. The 4.5MHz or 5.5MHz

Sound frequency is selectable using pin Sound Frequency Selection (SFS). The Picture to Sound subcarrier

ratio is also selectable by pin Picture to Sound selection (PSS) to either 14dB or 16dB. A Power Save

function is selectable via pin Psave/LO which turns off all internal VCOs and mixers and simultaneously

switches ON the Logic Output Port (LOP). No external Varicap Diodes/ Inductor nor other tuned

components are needed.

The MC44BC375/U/J/T also has the following features:

? Channel selected by CHS pin

? Integrated On-Chip Oscillator - No external tank circuit

? Extremely Low External Components Count

? Adjustable Video Modulation Depth (85 w/o adjustment)

? PeakWhiteClip

? Programmable Picture/Sound Carrier Ratio (14dB & 16dB) selected by PSS pin

? IntegratedOn-chip Programmable Sound Subcarrier Oscillator (4.5&5.5MHz selected by SFS pin)

No external varicaps

? Modulator Standby Mode selected by Psave/LO pin

? Transient Output Inhibit During PLL Lock-up at Power-on

? Logic Output Port selected by Psave/LO pin (Antenna Switch Driver)

? Extremely Robust ESD protection, Minimum 4kV, typical 6kV.

? Available in 80 dBuV RF output level (MC44BC375UA).

產(chǎn)品屬性

  • 型號(hào):

    MC44BC375TD

  • 制造商:

    FREESCALE

  • 制造商全稱:

    Freescale Semiconductor, Inc

  • 功能描述:

    PLL Tuned VHF Audio/Video High Integration Modulator ICs

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