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U2841B

Monolithic Integrated Circuit

Description

The integrated circuit, U2841B, is designed as a single

FM-IF-amplifier and demodulator for TV sound

processing with SCART switches and AF control in

bipolar technology.

Features

D

D

D

D

IF input provided for operating with ceramic filters

Minimum total harmonic distortion

Low power consumption

Operates alternatively with 5 V or 12 V

supply voltage

D

Demodulator provided for operating with

ceramic resonator or coil

D

SCART AF input / AF output

D

Wide volume control range

D

ESD protected

Block Diagram

Tuned

reference circuit

47 pF

47 pF

Deemphasis

4.7 nF

93 7519

IF input

4

16

5

6

7

8

SCART

AF output

9

11 k

W

Mute control

voltage

2

2.4 V / 3.7 V

V >7V

S

G=1

3

V

stab1

+V

S

G=2

15

1

V

stab2

14

10

V

S

< 6 V

13

Volume control

11

SCART switch

AF input

12 demod. signal

SCART

AF input

AF output (controlled)

Figure 1.

TELEFUNKEN Semiconductors

Rev. A1, 17-Jul-96

1 (9)

Preliminary Information

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U2841B相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
• U2840B
  英文版
  Consumer IC
  ETC
  U2840B
• U2840B
  英文版
  Consumer IC
  U2840B
• U2841B
  英文版
  Monolithic Integrated Circuit
  TEMIC
  U2841B
• U2841B
  英文版
  Monolithic Integrated Circuit
  TEMIC [TEM...
  U2841B

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