參數(shù)資料
型號： AN6175K
廠商： PANASONIC CORP
元件分類： 通信及網絡
英文描述： LJT 29C 29#16 SKT WALL RECP
中文描述： SPECIALTY TELECOM CIRCUIT, PDIP42
封裝： 0.600 INCH, SHRINK, PLASTIC, DIP-42
文件頁數(shù)： 18/21頁
文件大?。?/td> 210K
代理商： AN6175K
18
ICs for Telephone
AN6175K
18
I
Detailed Pin Descriptions(cont.)
Equivalent circuit
Description
Pin No.
Symbol
18
19
20
21
22
23
TAO
RAO
APC
DI
DO
GND
[Transmitter
mode)]
att.
output(hands-free
The transmitter attenuator outputs trans-
mitter signals in the HF mode from this
pin to Pin36 through C37(0.1
μ
F). The
output impedance, Zout=1 k
.
[Receiver att. output(hands-free mode)]
The receiver attenuator outputs receiver
signals in the HF mode from this pin
through C29(0.1
μ
F)and R30(10 k
)to
Pin27 as the loudspeaker preamplifier
non-inverse input. The output impedance,
Zout=1 k
.
[Auto. PAD current control(handset
mode, MF)]
The ratio of R24 to R25 as connected to
this pin controls the operation point of the
automatic PAD.
[Receiver amp. input(–)]
Combined R26, R27, and C21 as con-
nected to this pin determine the gain of
the receiver amplifier.
[Receiver amp. output]
Connects through C22(22
μ
F)to the hand-
set receiver. The output impedance,
Zout=100
.
[Ground]
This is the ground pin of the IC.
19
20
APC
40
VGR
1.2V
BGR
21
22
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