參數(shù)資料
型號(hào): 935260128518
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 無(wú)繩電話(huà)/電話(huà)
英文描述: SPEAKER PHONE CIRCUIT, PDSO24
封裝: PLASTIC, SOT-340, SSOP-24
文件頁(yè)數(shù): 4/31頁(yè)
文件大?。?/td> 259K
代理商: 935260128518
1997 Nov 25
12
Philips Semiconductors
Product specication
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
Gvtx, Gvrx
VSWT VIDT (mV)
Gvtx
RVOL
(
)
5700
3800
idle
mode
1900
0
1900
3800
5700
(10 dB/div)
Tx mode
Rx mode
Gvrx
MBG351
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