pbl38571 ETC-unknow, pbl38571 Datasheet - Page 14

• Manufacturer Part Number: pbl38571
• Description: High Current Speech Line Interface Circuit
• Manufacturer: ETC-unknow

Specifications subject to change without
notice.
1522-PBL385 71
© Ericsson Components AB
June 1999
PBL 385 71
Figure 24. Principal balanced solution for a transformerless line interface that can be used in case of two different ground
systems with low disturbance levels.
Information given in this data sheet is believed to be
accurate and reliable. However no responsibility is
assumed for the consequences of its use nor for any
infringement of patents or other rights of third parties
which may result from its use. No license is granted by
implication or otherwise under any patent or patent
rights of Ericsson Components. These products are
sold only according to Ericsson Components' general
conditions of sale, unless otherwise confirmed in writ-
ing.
Ericsson Components AB
S-164 81 Kista-Stockholm, Sweden
Telephone: [phone]
14
Tx
Tx in
Mains grounded
Telephone system grounded
Cx
Cx
10
11
Mute
+
AM
8
Ordering Information
Package
16-pin Plastic BW DIP
16-pin Plastic BW SO
Cx =these capacitors must be of high voltage type
7
18k
R4
R5
22k
9
3
100nF
C3
75
R6
AT
1
2
100nF
C5
910
PBL 385 71
R7
560
R9
11k
R8
R10
6.2k
14
R12
11k
47nF
C6
AR
Temp. Range
-40 to +70 C
-40 to +70 C
R11
62k
12,13
4,5,
+
+
6
47 F
C1
15
16
910
R3
15nF
C2
15V
Part No.
PBL 385 71/1NS
PBL 385 71/1SOS
+Line
-Line
Cx
Cx
Rx