MC34118_09 Datasheet, PDF (3/12 Pages) Unisonic Technologies – VOICE SWITCHED SPEAKER-PHONE CIRCUIT

MC34118
„ BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
MCI 11
CPT 16
TLO2 18
RLO2 19
CD 3
FI 2
MUT MCO
12 10
TLI2
17
Background
Noise Monitor
CT TXI TXO
14
98
T_X
Attenuator
AGC
TLI1 HTI
23 7
HTO-
6
VB
VB
Background
Noise Monitor
Level Delector
Altenuator
Conrol
R_X
Attenuator
Lever Detector
HTO+
5
27 CPR
25 RLO1
24 ^TOL1
4 V_CC
VB
1
20
13
FO
RLI2 VLC
22
RXO
21 26 15
RXI RLI1 VB
28
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 12
QW-R108-007,D