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參數(shù)資料
| 型號： | AN6175K |
| 廠商： | PANASONIC CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 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)： | 19/21頁 |
| 文件大?。?/td> | 210K |
| 代理商： | AN6175K |
19
ICs for Telephone
AN6175K
+
–
25
24
+
–
26
V
CC
1
I
Detailed Pin Descriptions(cont.)
Equivalent circuit
Description
Pin No.
Symbol
24
25
26
27
28
29
30
SPO2
SPO1
FB
SPI
VSP
RPO
RPI
[Loudspeaker amp.(2)output]
Pins24 and 25 form a BTL configuration.
The output impedance, Zout=10
.
[Loudspeaker amp.(1)output]
Pins24 and 25 form a BTL configuration.
Connects through R18 and C12 to pin 10
as the LOG amp.(3)input. The output
impedance, Zout=10
.
[Loudspeaker amp. input(–)]
Combined R28, R29, C26, and C27 con-
nect to this pin to adjust the gain and the
frequency characteristics of the loud-
speaker amplifier. The loudspeaker
amplifier is added with another gain of 6
dB because of its BTL configuration.
[Loudspeaker amp. input(+)]
The receiver attenuator output signal is
sent from pin 19 to this pin through C28
(coupling capacitor).
[Loudspeaker amp. power input]
The power supply pin for the loudspeaker
amplifiers and other output circuits.
[Receiver preamp. output]
Amplified receiver signals are output
from this pin through C30(coupling
)to Pin9 as the LOG amp.(4)input. Within
the IC, the receiver preamplifier output
also connects to the receiver amplifier for
the HS mode and to the receiver attenua-
tor for the HF mode.
[Receiver preamp. input]
Receiver signals are input from line to
this pin through a high-pass filter consist-
ing of R31, C31, and C32. The filter
removes hum from receiver signals.
26
27
+
–
V
CC
1
+
–
29
40
40
Rec. preamp.
To rec. amp. for
HS mode
V
CC
1
To rec. att. for
HF mode
30
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