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