TEA7540 ST Microelectronics, Inc., TEA7540 Datasheet - Page 9

• Manufacturer Part Number: TEA7540
• Description: Handsfree Controller
• Manufacturer: ST Microelectronics, Inc.

Figure 7: Test Configuration
V
pin 7 is forced to transmit mode
pin 11 is forced to minimum gain
Figure 9: Test Configuration
V
pin 7 is forced to receive mode
pin 11 and pin 17 are forced to maximum gain
Input signal on pin 4 VATTE = 200mVpp
ATE2 = 20log (VOUTE / VATTE) with Rpin24 = 11K
+
+
= 3V
= 3V
Figure 8: Test Configuration
V
pin 7 is forced to transmit mode
pin 11 is forced to minimum gain
Figure 10: Test Configuration
V
pin 7 is forced to transmit mode
Input signal on pin 4 VATTE = 200mVpp
ATE = 20log(VOUTE / VATTE)
+
+
= 3V
= 3V
TEA7540
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