Philips Semiconductors
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
Product speciļ¬cation
TEA1114A
handbook, full pagewidth
Zline
VEE
LN
RCC
Rast1
RSLPE
Im
IR
Rast2
Rast3
SLPE
Zbal
Zir
MBE787
Fig.9 Equivalent circuit of TEA1114A anti-sidetone bridge.
handbook, full pagewidth
Zline
VEE
RCC
LN
Zbal
Im
IR
RSLPE
Rast1 RA
SLPE
Zir
MBE786
Fig.10 Equivalent circuit of an anti-sidetone network in a Wheatstone bridge configuration.
2000 Mar 21
11