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參數(shù)資料
| 型號： | MC44144 |
| 廠商： | Motorola, Inc. |
| 英文描述： | SUBCARRIER PHASE-LOCKED LOOP |
| 中文描述： | 載波鎖相環(huán) |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 117K |
| 代理商： | MC44144 |
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
SUBCARRIER
PHASE–LOCKED LOOP
ORDERING INFORMATION
MC44144D
MC44144P
TA = 0
°
to +70
°
C
SO–8
Plastic
PIN CONNECTIONS
Order this document by MC44144/D
P SUFFIX
PLASTIC PACKAGE
CASE 626
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
1
8
8
7
6
5
8
2
3
4
(Top View)
4X
Subcarrier
Output
Comp
Video
Input
Burst
Gate
VCC
4X Sub
Xtal
Phase
Detector
Output
Gnd
Subcarrier
Output
1
1
MOTOROLA ANALOG IC DEVICE DATA
The MC44144 is a gated phase–locked loop intended for, but not
restricted to, video applications. The integrated circuit contains a gated
phase detector, voltage controlled crystal oscillator, divide–by–4 circuitry,
and a video clamp. This device provides a 4X reference frequency output,
and a 1X reference frequency output.
The MC44144 is manufactured using Motorola’s high density, bipolar
MOSAIC
process.
8–Pin DIP or Surface Mount Package
Gated–Phase Detector
Single Pin Voltage Controlled Crystal Oscillator
1X and 4X Subcarrier Output
Operates Off of a Standard 5.0 V Supply
4
2
1
5
6
7
1.0n
470p
5.0 to 25p
14.32/
17.73MHz
0.1
μ
47k
1.0n
0.1
μ
Crystal
Drive
4X Ref
Voltage
Control
Input
Subcarrier
Output
2.6V
Subcarrier
Reference
Output
Gate Pulse
Clamp Out
4X Ref
Out
Phase Det Out
Subcarrier
Reference
Clamp In
Video In
Divide by 4
Video Clamp
Voltage
Reference
VCO
Phase
Detector
4X
Subcarrier
Output
Composite
Video
75
+ 5.0
Burst
Gate
Representative Block Diagram
8
3
Motorola, Inc. 1996
Rev 2
相關PDF資料 |
PDF描述 |
|---|---|
| MC44144P | SUBCARRIER PHASE-LOCKED LOOP |
| MC44145D | PIXEL CLOCK GENERATOR/ SYNC SEPARATOR |
| MC44251 | Triple 8-Bit Video ADC Three-State Outputs |
| MC44251FN | Triple 8-Bit Video ADC Three-State Outputs |
| MC44251FU | Triple 8-Bit Video ADC Three-State Outputs |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC44144D | 制造商:Motorola Inc 功能描述: |
| MC44144D1 | 制造商:Motorola Inc 功能描述: |
| MC44144P | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:SUBCARRIER PHASE-LOCKED LOOP |
| MC44145 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PIXEL CLOCK GENERATOR / SYNC SEPARATOR |
| MC44145D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PIXEL CLOCK GENERATOR/ SYNC SEPARATOR |
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