NTE791 查看數據表（PDF） - NTE Electronics

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NTE791

Integrated Circuit TV Chroma Amplifier Demodulator

NTE Electronics 

NTE791

Integrated Circuit

TV Chroma Amplifier Demodulator

Description:

Compromised of an independent 2–stage chroma amplifier, chroma demodulators, resistor matrix,

and color difference amplifiers. The NTE791 monolithic silicon integrated circuit is one of two blocks

required for a complete color television receiver chroma system.

The chroma amplifiers contain the necessary circuitry for automatic chroma control and color–killer

sensing and control. The demodulators and resistor matrix reconstruct the G–Y color chain to bypass

unwanted harmonics. The high–level emitter follower outputs are current limited for short–circuit

protection.

Features:

D DC Chroma Gain Control

D Improved Filtering for Harmonic Reduction

D Output Short–Circuit Current Limiting

D Self–Contained Bias Regulator

D Low Thermal Drift, Typically 1mV/°C

D Doubly Balanced Demodulation

Absolute Maximum Ratings:

Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +85°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C

Maximum Voltage and Current Ratings (TA = +25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Table

Current in mA

Pin #

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Voltage Range in Volts

0 to +16

–

0 to VCC

–

reference

0 to VCC

0 to +15

0 to +15

0 to VCC

0 to VCC

0 to VCC

0 to +30

0 to +10

0 to VCC

0 to +16

0 to +16

Input

–

2.0

1.0

2.0

1.0

–

–

–

0

0

0

50

–

–

–

–

Output

–

–

10

–

50

–

–

–

Note 1

Note 1

Note 1

1.0

–

–

–

–

Note 1. Maximum continuous current output is 20mA and is limited by package power dissipation.

Short circuit current is typically 50mA.

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