1200

NTE1200
Integrated Circuit
Color TV Chroma Processor
Applications:
D Subcarrier OSC
D Chroma Amplifier
D DC Chroma Gain Control
D Overload Detector
D ACC & Killer
Features:
D AFPC & ACC detector employs sample and Hold techniques
D Low output impedance
D Only the initial crystal filter tuning is required ....... no killer and ACC adjustment at anytime
D Few external components required
D Compensation for temperature and Supply Variations
D Compatible with NTE1130
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Chroma Input Voltage, ec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Vp–p
Pulse Input Voltage, ep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Vpeak
Minimum Load Resistor, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3kΩ
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 920mW
Electrical Characteristics: (TA = +25°C VCC = 11.2V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
V1
1.3
2.0
2.7
V
V2, V3
7.0
7.8
8.6
V
Pin4 Voltage
V4
6.5
–
8.5
V
Pin6 Voltage
V6
7.1
–
9.1
V
Pin7 Voltage
V7
1.3
2.0
2.7
V
Pin8 Voltage
V8
6.5
–
8.5
V
Pin9 Voltage
V9
–10
–
–5
V
7.0
7.8
8.6
V
Static Characteristics
Pin1 Voltage
Pin2, Pin3 Voltage
Pin10, Pin11 Voltage
V10, V11
I = –10µA
Pin13 Voltage
V13
0.44 0.50 0.56
Pin14 Voltage
V14
6.4
–
7.5
V
Pin15 Voltage
V15
9.0
–
10.5
V
Electrical Characteristics (Cont’d): (TA = +25°C VCC = 11.2V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Current
ICC
16
–
38
mA
Killer Sensitivity
ein
–
–
25
mVP–P
ein = 250mVP–P, SA = 2, VR1 MAX
–
1.35
–
mVP–P
ACC Output
Killer Output
eo
ein = 5mVP–P, SA = 1
–
–
10
mVP–P
Leak Output
eo
ein = 250mVP–P, SA = 3
–
–
10
mVP–P
Overload Output
eo
ein = 250mVP–P, SA = 1, Sβ = ON
350
–
650
mVP–P
UNI–Color Ratio
Gv
ein = 30mVP–P, SA = 2, V10–11 = 0V,
eo (VR1MAX)/eo (VR1MIN)
7.0
9.5
12.0
dB
Pull–In Range
|fP|
ein = 250mVP–P
300
–
–
Hz
Hold–In Range
|fK|
ein = 250mVP–P
500
–
–
Hz
VCO Sensitivity
β
2
–
–
kHz/V
0.5
1.0
–
VP–P
R1
–
2
–
kΩ
C1
–
0.5
R7
–
1
–
kΩ
C7
–
6
–
pF
OSC Output
Pin1 Input Impedance
Pin7 Input Impedance
∆f/∆V2–3
VOSC
f = 3.57945MHz , ein = 0VP–P
Pin Connection Diagram
1st Chroma Amp 1
16 Manual Cont
15 Attenuator
14 Attenuator
Signal Hold 2
Bias Hold 3
AFPC Detector 4
13 Overload Detector
12 VCC
GND 5
Phase Shift 6
11 Signal Hold
Amp Limiter 7
10 Bias Hold
Output 8
9 Key
16
9
1
8
.870 (22.0) Max
.260 (6.6)
Max
.200 (5.08)
Max
.100 (2.54)
.700 (17.78)
.099 (2.5) Min
pF