NTE NTE1200 Datasheet
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
Supply Voltage, V
CC
Chroma Input Voltage, e
Pulse Input Voltage, e
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
p
Minimum Load Resistor, R
Power Dissipation, P
D
Electrical Characteristics
Parameter Symbol Test Conditions Min Typ Max Unit
Static Characteristics
Pin1 Voltage V
Pin2, Pin3 Voltage V2, V
Pin4 Voltage V
Pin6 Voltage V
Pin7 Voltage V
Pin8 Voltage V
Pin9 Voltage V
Pin10, Pin11 Voltage V10, V
Pin13 Voltage V
Pin14 Voltage V
Pin15 Voltage V
: (TA = +25°C unless otherwise specified)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
c
L
: (TA = +25°C VCC = 11.2V unless otherwise specified)
1
3
4
6
7
8
I = –10µA –10 – –5 V
9
11
13
14
15
1.3 2.0 2.7 V
7.0 7.8 8.6 V
6.5 – 8.5 V
7.1 – 9.1 V
1.3 2.0 2.7 V
6.5 – 8.5 V
7.0 7.8 8.6 V
0.44 0.50 0.56
6.4 – 7.5 V
9.0 – 10.5 V
920mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4V
4V
3.3kΩ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
p–p
peak
Electrical Characteristics (Cont’d): (TA = +25°C VCC = 11.2V unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Current I
Killer Sensitivity e
CC
in
ACC Output ein = 250mV
Killer Output e
Leak Output e
Overload Output e
UNI–Color Ratio G
o
o
o
v
ein = 5mV
P–P
ein = 250mV
ein = 250mV
ein = 30mV
e
(VR1MAX)/eo (VR1MIN)
o
P–P
Pull–In Range |fP| ein = 250mV
Hold–In Range |fK| ein = 250mV
VCO Sensitivity β ∆f/∆V
OSC Output V
Pin1 Input Impedance R
Pin7 Input Impedance R
OSC
1
C
1
7
C
7
2–3
f = 3.57945MHz , ein = 0V
Pin Connection Diagram
16 – 38 mA
– – 25 mV
, SA = 2, VR1 MAX – 1.35 – mV
P–P
, SA = 1 – – 10 mV
, SA = 3 – – 10 mV
P–P
, SA = 1, Sβ = ON 350 – 650 mV
P–P
, SA = 2, V
P–P
P–P
10–11
= 0V,
7.0 9.5 12.0 dB
300 – – Hz
500 – – Hz
2 – – kHz/V
P–P
0.5 1.0 – V
– 2 – kΩ
– 0.5 pF
– 1 – kΩ
– 6 – pF
P–P
P–P
P–P
P–P
P–P
P–P
1st Chroma Amp
Signal Hold
Bias Hold
AFPC Detector
GND
Phase Shift
Amp Limiter
Output
16 9
18
.870 (22.0) Max .260 (6.6)
1
2
3
4
5
6
7
8
16
Manual Cont
Attenuator
15
14
Attenuator
13
Overload Detector
V
12
CC
11
Signal Hold
10
Bias Hold
9
Key
.200 (5.08)
Max
Max
.100 (2.54)
.700 (17.78)
.099 (2.5) Min
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