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零件编号
产品描述 (功能)
TEA1093 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
TEA1093
Hands-free IC
Philips Electronics
TEA1093 Datasheet PDF : 28 Pages
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Philips Semiconductors
Hands-free IC
Product specification
TEA1093
handbook, full pagewidth
INPUT SIGNAL
4 mV (RMS)
1 mV (RMS)
MBG354
SIGNAL ENVELOPE
A
36 mV
B
A: 85 dB/ms
B: 0.7 dB/ms
A
B
NOISE ENVELOPE
C
B: 0.7 dB/ms
C: 0.07 dB/ms
36 mV
B
C
B
time
Fig.9 Signal and noise envelope waveforms.
g
27
(23) TENV
TNOI
26
(22)
13 mV
ATTENUATOR
24
(20)
RENV
RNOI
23
(19)
13 mV
19
Vdt
(15)
MUTET
from dynamic
limiter
(1) When MUTET = HIGH, +10
µ
A is forced.
When DLC/MUTER < 0.2 V,
−
10
µ
A is forced.
DUPLEX CONTROLLER
LOGIC
(1)
16
IDT (12)
Vref
RIDT
14
SWT (11)
X X 1 1
−
10
µ
A
X 1 0 X
+
10
µ
A
1 X 0 X
+
10
µ
A
XX1 0
0
0 00X
0
CSWT
Fig.10 Decision logic.
MGD224
1996 Feb 09
11
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