參數(shù)資料
型號: 935260128118
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: SPEAKER PHONE CIRCUIT, PDSO24
封裝: PLASTIC, SOT-340, SSOP-24
文件頁數(shù): 2/31頁
文件大?。?/td> 259K
代理商: 935260128118
1997 Nov 25
10
Philips Semiconductors
Product specication
Voice switched speakerphone IC
TEA1095
Fig.7 Signal and noise envelope waveforms.
handbook, full pagewidth
MBG354
INPUT SIGNAL
SIGNAL ENVELOPE
NOISE ENVELOPE
4 mV (RMS)
1 mV (RMS)
A
C
36 mV
B
A
B
time
A: 85 dB/ms
B: 0.7 dB/ms
C: 0.07 dB/ms
Fig.8 Decision logic.
handbook, full pagewidth
MBG353
13 mV
TENV
TNOI
ATTEN-
UATOR
RENV
MUTETX
RNOI
Vdt
xx
1
10 A
+ 10 A
x1
0
x
1x
0
x
xx
1
0
00
0
x
0
Vref
RIDT
CSWT
SWT
IDT
DUPLEX CONTROLLER
LOGIC
(note 1)
(1) When MUTETX = HIGH +10
A is forced. When MUTERX = HIGH 10 A is forced.
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