參數(shù)資料
型號: TEA1095T
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: Voice switched speakerphone IC
中文描述: SPEAKER PHONE CIRCUIT, PDSO24
封裝: PLASTIC, SOT-137, SO-24
文件頁數(shù): 12/28頁
文件大?。?/td> 184K
代理商: TEA1095T
1997 Nov 25
12
Philips Semiconductors
Product specification
Voice switched speakerphone IC
TEA1095
Fig.9 Voice switch.
handbook, full pagewidth
Gvtx
+
Gvrx
=
C
VOICE SWITCH
RSTAB
RSWR
STAB
SWR
to
transmit
amplifier
from
SWT
from
volume
control
to
receive
amplifier
DUPLEX CONTROLLER
MBG352
Where C = constant.
Fig.10 Switch-over behaviour.
handbook, halfpage
400
200
0
+
400
+
200
VSWT
VIDT (mV)
Gvtx, Gvrx
(10 dB/div)
Gvtx
RVOL
(
)
5700
3800
1900
0
idle
mode
0
1900
3800
5700
Tx mode
Rx mode
Gvrx
MBG351
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