TEA1067/C2 Просмотр технического описания (PDF) - Philips Electronics

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TEA1067/C2

Low voltage versatile telephone transmission circuit with dialler interface

Philips Electronics 

Philips Semiconductors

Low voltage versatile telephone

transmission circuit with dialler interface

Product specification

TEA1067

handbook, full pagewidth

VCC

11 (12)

IR

15 (17)

TEA1067

TEA1067T

MIC+

MIC−

8 (9)

7 (7)

++

dB(1)

−−

13 (15)

DTMF

dB

14 (16)

MUTE

PD

12 (14) SUPPLY AND

REFERENCE

+

−

+

−

AGC

CIRCUIT

10 (11)

VEE

CURRENT

REFERENCE

16 (18) 17 (19) 9 (10)

REG AGC

STAB

LN

(1)1

(6) 6

GAR

−+

+−

(5) 5

(4) 4

QR+

QR−

(2) 2

GAS1

−

+

(3) 3

GAS2

LOW

VOLTAGE

CIRCUIT

(20)18

SLPE

MGR082

Figures in parenthesis refer to TEA1067T.

Fig.1 Block diagram.

June 1990

3

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