參數(shù)資料
型號: Si3016
廠商: Electronic Theatre Controls, Inc.
英文描述: 3.3 V ENHANCED GLOBAL DIRECT ACCESS ARRANGEMENT
中文描述: 3.3伏加強全球直接訪問安排
文件頁數(shù): 11/48頁
文件大?。?/td> 940K
代理商: SI3016
Si3016
Rev. 0.44
11
Analog Output
Figure 7 illustrates an optional application circuit to support the analog output capability of the DAA system-side
module for call progress monitoring purposes. The ARM bits in Register 6 allow the receive path to be attenuated
by 0, –6, or –12 dB. The ATM bits, which are also in Register 6, allow the transmit path to be attenuated by –20,
–26, or –32 dB. Both the transmit and receive paths can also be independently muted.
Figure 7. Optional Connection to AOUT for a Call Progress Speaker
Table 8. Component Values—Optional Connection to AOUT
Symbol
Value
C1
2200 pF, 16 V, ±20%
C2, C3, C5
0.1 μF, 16 V, ±20%
C4
100 μF, 16 V, Elec. ±20%
C6
820 pF, 16 V, ±20%
R1
10 k
, 1/10 W, ±5%
R2
10
, 1/10 W, ±5%
R3
47 k
, 1/10 W, ±5%
U1
LM386
AOUT
C1
C2
C6
R1
R3
C4
C3
C5
R2
Speaker
+
+
3
2
4
5
6
+5 V
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