BT1062A Kodenshi Korea Corp., BT1062A Datasheet - Page 7

• Manufacturer Part Number: BT1062A
• Description: Telephone Speech Network With Dialer Int`erface
• Manufacturer: Kodenshi Korea Corp.

TABLE 1
Values of resistor R6 for optimum line-loss compensation at various values of exchange supply voltage (V
R9 = 20 > .
PINNING
Note 1. Pin 12 is active HIGH (MUTE) for KKA1062
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
V
exch
36
48
60
(V)
Symbol
DTMF
MUTE
STAB
GAS1
GAS2
MIC+
MIC-
SLPE
GAR
AGC
REG
Fig. 5 Variation of gain as a function of the line current with R6 as a parameter
V
V
LN
QR
IR
400 R
EE
CC
100
140
-
exch
( : )
Positive Line Terminal
Gain Adjustment; Transmitting Amplifier
Gain Adjustment; Transmitting Amplifier
Non-inverting Output; Receiving Amplifier
Gain Adjustment; Receiving Amplifier
Inverting Microphone Input
Non-inverting Microphone Input
Current Stabilizer
Negative Line Terminal
Receiving Amplifier Input
Dual-tone Multi-Frequency Input
Mute Input (see note 1)
Positive Supply Decoupling
Voltage Regulator Decoupling
Automatic Gain Control Input
Slope (DC resistance) Adjustment
600 R
78.7
110
exch
-
( : )
R6 (k : )
Description
800 R
93.1
120
exch
-
exch
) and exchange bridge resistance (R
( : )
KKA1062/1062A
1000 R
102
82
-
exch
( : )
exch
);