TEA1066T 데이터 시트보기 (PDF) - Philips Electronics
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TEA1066T Datasheet PDF : 24 Pages
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Philips Semiconductors
Versatile telephone transmission circuit
with dialler interface
Product specification
TEA1066T
The attenuation is almost constant over the whole audio
frequency range. Figure 5 shows a conventional
Wheatstone bridge anti-side-tone circuit that can be used
as an alternative. Both bridge types can be used with
either resistive or complex set impedances.
The anti-side-tone network as used in the standard
application (see Fig.13) attenuates the signal from the line
with 32 dB. The attenuation is nearly flat over the
audio-frequency range.
Instead of the previously-described special TEA1066
bridge, the conventional Wheatstone bridge configuration
can be used as an alternative anti-side-tone circuit. Both
bridge types can be used with either a resistive set
impedance or a complex set impedance.
handbook, full pagewidth
LN
R1
Zline
VEE
R9
R2
im
IR
Rt
R3
R8
Zbal
SLPE
MSA500 - 1
Fig.4 Equivalent circuit of TEA1060 family anti-side-tone bridge.
handbook, full pagewidth
LN
R1
Zline
VEE
Zbal
im
IR
Rt
R9
R8 RA
SLPE
MSA501 - 1
Fig.5 Equivalent circuit of an anti-side-tone network in a Wheatstone bridge configuration.
1996 Apr 04
7
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