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TEA7540FP Datasheet(PDF) 8 Page - STMicroelectronics

Part # TEA7540FP
Description  HANDSFREE CONTROLLER
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TEA7540FP Datasheet(HTML) 8 Page - STMicroelectronics

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Figure 3: Test Configuration
V
+ =3V
pin 7 is forced to transmit mode
pin 11 is forced to minimum gain
Input signal on pin 13 VINE = 1.5mVpp
output voltage VMICOUT measured on pin 12
G1min = 20log (VMICOUT / VINE)
Figure 4: Test Configuration
V
+ =3V
pin 7 is forced to transmit mode
Input signal on pin 13 VINE in the compressing range (5mVpp for
example)
output voltage VMICOUT measured on pin 12
Figure 5: Test Configuration
V
+ =3V
pin 7 is forced to transmit mode
pin 11 is forced to maximum gain
Figure 6: Test Configuration
V
+ =3V
pin 7 is forced to transmit mode
pin 11 is forced to minimum gain
TEA7540
8/12



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