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參數(shù)資料
| 型號(hào)： | MC44BC375J |
| 廠商： | Motorola, Inc. |
| 英文描述： | PLL Tuned VHF Audio/ Video High Integration Modulator ICs |
| 中文描述： | 甚高頻鎖相環(huán)調(diào)諧音頻/視頻調(diào)制器的高集成芯片 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 537K |
| 代理商： | MC44BC375J |
6
MC44BC375/U/J/T Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Pin Selection
7
Pin Selection
By default (open condition), all pins are “HI”.
7.1
Test Modes
NOTE:
Test modes are intended for manufacturing test purpose only and not to be
be used for normal application.
8
High Frequency Characteristics (U Version)
For all the following specifications and unless otherwise stated: Vcc = 5.0V, T amb. = 25°C.Video input
1Vp-p, 10 step greyscale.RF inputs / outputs into 75
load.SPECIFICATIONS ONLY VALID FOR
ENVELOPE DEMODULATION. Measured on U version on both channel 3 and 4. See Section 11,
“Characterization Measurement Conditions” on page 7 for “C” type parameters.
Pin Nb
Pin Name
Device
LO (grounded)
HI (Open or +5V)
1
CHS
MC44BC375U
MC44BC375J
MC44BC375T
MC44BC375U/J/T
CH4
CH2
CH13
14dB
Power save Mode
LOP pin LO (Low voltage)
5.5Mhz
CH3
CH1
CH13
16dB
Normal Operation
LOP pin HI (High impedance
4.5Mhz
2
PSS
9
PSave/LO
MC44BC375U/J/T
16
SFS
MC44BC375U/J/T
Pin
DC level
Description
CHS
Vcc + 0.3V
Vcc + 1.1V
Vcc + 1Vbe
Vcc + 1Vbe
Vcc + 0.3V
Vcc + 1.1V
Low frequency testing (RF frequency divided by 4 for MC44BC375U/J, and
divided by 8 for MC44BC375T)
Base band test mode (DC drive applied to modulators)
Transient Output Inhibit Disabled
Sound Oscillator OFF
Force UHF and Sound PLL Upper current source
Force UHF and Sound PLL Lower current source
PSS
SFS
VIDEO
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
TV OUT output level
74
76
79
dBμV
B
Sound subcarrier Harmonics (fp+n*fs)
Ref Picture carrier
-
-73
-65
dBc
C
Second Harmonic of chroma subcarrier.
Using red EBU bar
-
-65
-55
dBc
C
Chroma/Sound intermodulation: fp + (fsnd-fchr)Using red EBU bar
-
-65
-60
dBc
C
Fo (picture carrier) Harmonics (See Note1)
2nd harmonic
3rd harmonic
30
66
42
69
dBμV
dBμV
C
C
Out Band (picture carrier) Spurious
1/2*Fo - 1/4*Fo - 3/2*Fo - 3/4*Fo
27
dBμV
C
In band spurious (Fo +/- 5 MHz range)
No video or sound modulation
-70
-62
dBc
C
4 MHz Crystal Spurious (Fo +/- 4 MHz)
Note:
1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
No video or sound modulation
-82
-75
dBc
C
F
Freescale Semiconductor, Inc.
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44BC375JD | 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 |
| MC44BC375T | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:PLL Tuned VHF Audio/ Video High Integration Modulator ICs |
| 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 |
| MC44BC375U | 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 |
| MC44BC375UA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PLL Tuned VHF Audio/Video High Integration IC |
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