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MC1372 PDF даташит

Спецификация MC1372 изготовлена ​​​​«Motorola Semiconductors» и имеет функцию, называемую «Color TV Video Modulator».

Детали детали

Номер произв MC1372
Описание Color TV Video Modulator
Производители Motorola Semiconductors
логотип Motorola Semiconductors логотип 

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MC1372 Даташит, Описание, Даташиты
® MOTOROLA
MC1372
COLOR TV VIDEO MODULATOR
... an mtegrated circuit used to generate an RF TV signal from
baseband color-difference and luminance signals.
The MC1372 contains a chroma subcamer oscillator, a lead and
lag network, a quasi-quadrature suppressed carrier DSB chroma
modulator, an RF oscillator and modulator, and an LSTTL com-
patrble clock driver with adjustable duty cycle.
The MC1372 is a companion part to the MC6847 Video Display
Generator, providmg and accepting the correct de interconnection
levels. This device may also be used as a general-purpose modulator
wtth a variety of vtdeo signal generating devices such as video games,
test equipment, video tape recorders, etc.
• Single 5.0 Vdc Supply Operation for NMOS
and TTL Compatibility
• Minimal External Components
• Compatible with MC6847 Video Display Generator
• Sound Carrier Addition Capability
• Modulates Channel 3 or 4 Carrier with Encoded Vrdeo Signal
• Low Power Dissipation
• Linear Chroma Modulators for High Versatrlity
• Composrte Vrdeo Signal Generation Capability
• Ground-Referenced Video Prevents Overmodulation
COLOR TV
VIDEO
MODULATOR CIRCUIT
SILICON MONOLITHIC
INTEGRATED CIRCUIT
.~'~~ ~ ~ ~ P SUFFIX
PLASTIC PACKAGE
CASE 646-05
Pin Connections
Duty
Chromtnance
input
Lum1nance
Input
ChrorT;a
1'0odu!ator
Output
FIGURE 1- BLOCK DIAGRAM
Color 8
Input
Lum1flance
1npi..-t
RF
Modulator
Output
Oscillator
Input
Clock
Output
4
Grouna
Duty Cycle
Adjust
Chrorninance
1nput
e----, 41r--+-----t-D Modulator
Outpu"t
Color A
Input
Color
Reference
Input
RF Tank
3-3
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MC1372 Даташит, Описание, Даташиты
MC1372
I
MAXIMUM RATINGS ITA= 25°C unless otherwise notedl
Rating
Supply Voltage
Qperatmg Ambient Temperature Range
Storage Temperature Range
Junction Temperature
Power Dissipation, Package
Derate above 25°C
Value
8.0
0 to +70
-65 to +150
150
1.25
13
Unit
Vdc
oc
oc
oc
Watts
mW/°C
RECOMMENDED OPERATING CONDITIONS
Supply Voltage
Luma Input Voltage -Sync Tip
Peak White
Color Reference Voltage
Color A, B Input Voltage Range
5.0
1.0
0.35
1.5
1.0 to 2.0
Vdc
Vdc
Vdc
Vdc
ELECTRICAL CHARACTERISTICS IVee= +5 Vdc. T A= 25°C, Test C>rcuit 1 unless otherw,se noted!
Qperatmg Supply Voltage
Supply Current
Characteristic
CHROMA OSCILLATOR/CLOCK DRIVER (Measured at Pin 1 unless otherw1se noted!
Output Voltage
2.4
Fall T1me (V1 -2.4 to 0.4 Vdcl
Outv Cycle AdJUStment Range {V3 "'5.0 Vdc)
{Measured at V1 = 1.4 Vf
Inherent Duty Cycle INa connectwn to P1n 3l
CHROMA MODULATOR ~VS = V6 ""V7 = 1 5 Vdc unless otherwtse no .. edi
Input Common Mode Vo~tage Range (P1ns 5. 6, 7)
Os.c•llator Feedthrough !Measured at Pu1 BJ
Modulat<on Angle [881V7 = 2.0 Vacl- 081V5 o 2.0 Vdcll
Conversion Ga1n [V8/IV7- V6l, V8/IV5- V611
Input Current (Pu1S 5, 6, 7)
Input Res1staroce \Pms 5, 6, 7)
Input CapaCitance {P1ns 5, 6, 7)
Chroma Mooulator L1neanty
IV5 = 1 .0 to 2.0 V; V7 o 1.0 to 2.0 VI
RF MODULATOR
Luma tnput Dynam1c Range lPin 9, Test C1rc:u•t 2)
RF Output Vo tage If= 67.25 MHz, V9 = 1.0 VI
Luma Convers1on Ga111
(.~V12/.6.V9; V9: 0.1 to 1.0 Vdc) Test C1rcuit 2
Chroma Conversion GaH'I
I"V12/2.V10; V10 = 1.5 Vp-p; V9 = 1.0 Vdcl Test c.rcun 2
Chroma L1neanty {Pm 12, V10 -1.5 Vp-p) Test C1rcU1t 2
Luma Linearity {Pin 12, V9 "'0 to 1.5 Vdc) T~t Circuit 2
Input Current (Pin 9)
Input Resistance (Pin 10)
input Resistance (Pin 9)
Input Capac1tance (Pins 9. 10l
Residual 920kHz (Measured at P1n 12J See Note 1
Output Current {Pin 12. V9 = 0 V) Test Circuit 2
70
0.8
-
85
-
-
100
-
-
0
100
50
-
15
100
0.6
-
-
-
4.0
15
0.8
0.95
1.0
2.0
800
50
1.0
0.4
50
50
30
23
31
115
-
-20
-
50
-
15
-20
5.0
Vdc
v
Vdc
mV{p-p)
degrees
Vlp-p)/Vdc
~A
k! ~
oF
o,
Volts
mVrms
V:V
V.'V
%
%
"A
l1
kH
pF
dB
rnA
Clock Drive Duty Cycle Stability
NOTE 1. V9 • 1.0 Vdc, Vc = 300 mV{p-pl@ 3.58 MHz,
Vs • 250 mV{P·Pi@ 4,5 MHz, Source Impedance= 75 U.
3-4
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MC1372 Даташит, Описание, Даташиты
MC1372
FIGURE 2- TEST CIRCUIT 1
+5 v
+
110fLF
240
75
V12
RF Ou!:put
11 13
Chroma Modulator
Output
+30pF
Duty Cycle
Aci)uSt
FIGURE 3- TEST CIRCUIT 2
• 5 \j
360
1N4001
'7 v
2k
V12
VS V6 V 1 V9
3-5
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