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NTE15017

Integrated Circuit

Head Amp Circuit for VCR

Features:

D

The Function Consist of:

Video Signal Pre–Amplifier Circuit

Head Switchover Circuit

Drop–Out Compensation Circuit

RF AGC Circuit

D

Low–Noise Head Amplifier

D

Supply Voltage:  5V

Absolute Maximum Ratings:  (T

A

 = +25

°

C unless otherwise specified)

Supply Voltage, V

CC

6V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Power Dissipation, P

D

160mW

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Operating Ambient Temperature Range, T

opr

–20

°

 to +70

°

C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Storage Temperature Range, T

stg

–40

°

 to +150

°

C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Electrical Characteristics:  (V

CC

 = 5V, T

A

 = +25

°

C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Circuit Current

I

1

8

20

mA

Channel 1 Gain

G

V4–10

f = 1MHz

52.5

62.5

dB

Channel 2 Gain

G

V8–10

f = 1MHz

52.5

62.5

dB

AGC Output Amplitude

v

o(AGC

12)

f = 4MHz

170

330

mV

P–P

AGC Control Sensitivity

v

o(AGC

12)

f = 4MHz

2.5

dB

Output Amplifier Gain

G

V13–17

f = 4MHz

0.05

2.7

dB

DOC Amplifier Gain

G

V18–17

f = 4MHz

10.5

14.0

dB

DOC Sensitivity ON

S

13–1

f = 4MHz

–19

dB

DOC Sensitivity OFF

S

13–2

f = 4MHz

–10.8

dB

PG Input Sensitivity

S

2

3

V

Noise Voltage Referred to Input

V

ni1

1MHz BPF

1

µ

V

rms

V

ni2

1MHz BPF

1

µ

V

rms

Note 1. Operating supply voltage range:  V

CC

opr = 4.5V to 5.5V.

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Pin Connection Diagram

1

9

18

10

.870 (22.1) Max

.800 (20.3)

.100 (2.54)

.125 (3.17) Min

.250

(6.35)

.150

(3.8)

V

CC

Chroma Output

GND

FM Output

FM Equalizer

FM Output

1

2

3

4

PG Input

Damping (1)

FM Input (1)

5

GND

6

FM Input (2)

7

Damping (2)

8

Reference Voltage

18

17

16

15

DOC Amp Input

DOC Detect

DOC Pulse

14

13

DOC Input

12

11

9

AGC Detect

10