NTE NTE1702 Datasheet

NTE1702

Integrated Circuit

Color ACC Circuit for VCR

Description:

The NTE1702 is an integrated circuit in an 18–Lead DIP type package designed for VCR color ACC
and constitute a color processing circuit by combining with the NTE1703 and the NTE15010.

Features:

D The Functions Consist of:

ACC Circuit
Balanced Mulitvibrator
Burst 6dB UP/DOWN Circuit
Playback Amplifier

D Supply Voltage Either 9V or 12V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Supply Voltage, V
Power Dissipation (TA = +70°C), P

CC

D

Operating Ambient Temperature Range, T
Storage Temperature Range, T

stg

opr

–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14.4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

550mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (VCC = 12V, TA = +25°C ±2°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Circuit Current I
Record AGC Output Amplitude (Burst AGC) V
Record AGC Control Sensitivity (Burst AGC) Du
Record AGC Control Sensitivity (Chroma AGC) Du
Record/Playback Crosstalk CT
Record Burst Gate Gain G
Playback Burst Gate Gain G
B.M. Output Amplitude u
B.M. Carrier Leakage CL
Burst Emphasis Amount G
Burst De–Emphasis Amount G

Note 1. Operating Supply Voltage: V

CC(opr)

13

u

17–1

17−1
17−2

17

V16–3

V6–3

O12

12

(Emph)

(D–Emph)

Chroma, 0.2V

1

+6dB to –15dB – – 3.5 dB
CY Signal 2 – 5 dB

u

= 3.58MHz, 0.1V

1

u

16

u

Chroma Signal, 0.2V

6

= 8.5V to 13V

P–P

P–P

Chroma Signal, 0.4V

P–P

P–P

20 – 40 mA

0.3 – 0.65 V

– – –40 dB

12.9 – 16.1 dB

18.4 – 21.6 dB

1.0 – 1.5 V
– – –40 dB
5 – 7 dB

–7 – –5 dB

P–P

P–P

Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C ±2°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

Playback Amp Gain G
Record Output Amp Gain G

Playback Output Amp Gain G
Monochrome/Color Crosstalk CT
Record/Playback Select Sensitivity S
Record Output Amp LP/SP Select Sensitivity S
Monochrome/Color Select Sensitivity S

Note 1. Operating Supply Voltage: V

CC(opr)

Pin Connection Diagram

ACC Record Input

Burst Detetctor

Burst Output

Burst Gate Pulse Input

Chroma Select Burst

6dB UP/DOWN Select

Output Amp Record Chroma Input

C/B/B/W Select

Playback Amp Output

Record/Playback Select

V10–9u10

SP Mode 12 – 15 dB
LP Mode 0.5 – 2.5 dB

7

Playback → Record 9 – – V

9

SP → LP 9 – – V
Color → Monochorme – – 1.5 V

8

G

V8–1
V8–2
V6–7

11

= 8.5V to 13V

1
2

3
4
5
6Output Amp Playback Chroma Input
7Chroma Output
8
9

0.2V

P–P

18

ACC Playback Input
ACC Output

17
16

Signal Input

15

GND
Carrier Input

14
13

V

CC

B.M. Output

12

Record Current Select

11

Playback Amp Input

10

16 – 20 dB

7 – 10 dB
– – –40 dB

18 10

19

.870 (22.1) Max

.100 (2.54)

.800 (20.3)

.150
(3.8)

.125 (3.17) Min

.250 (6.35)