L6726 Unisonic Technologies, L6726 Datasheet - Page 12

• Manufacturer Part Number: L6726
• Description: UNIVERSAL SPEECH CIRCUIT
• Manufacturer: Unisonic Technologies

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L6726
MIC
R6
APPLICATION INFORMATION(Cont.)
2
Figure 9. Typical sidetone network
Figure 15. Connection of a dynamic microphone
Figure 13. Additional components for
extended low current/voltage oeration
Figure11. Magnetic reciever connection
RA
R10
UNISONIC TECHNOLOGIES CO., LTD
R11
www.unisonic.com.tw
50k
RB
Rc
+Line
17
18
R12
50k
12
13
Low impedance
network.
C6
R14
AM
12
13
15
-Line
11
Figure 12. Electret microphone with FET buffer
200Ω
Figure 16. Dynamic reviever connection
LINEAR INTEGRATED CIRCUIT
Figure 10. Sidetone network especially
suited for applicatons with a high line
current,when R6 has a low value
Figure 14. Connection of a magnetic
microphone
2
17
18
R6
1μF
1μF
200Ω
C
+Line
* To get flat response
for receiving
R12
Zbal
12
13
4
12
13
14
C6
QW-R108-015,B
15
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