參數(shù)資料
型號: SI3025-KS
廠商: Electronic Theatre Controls, Inc.
英文描述: 3.3 V FCC/JATE DIRECT ACCESS ARRANGEMENT
中文描述: 3.3伏催化裂化/ JATE直接訪問安排
文件頁數(shù): 17/54頁
文件大?。?/td> 1407K
代理商: SI3025-KS
Si3035
Rev. 1.2
17
Analog Output
Figure 17 illustrates an optional application circuit to support the analog output capability of the Si3035 for call
progress monitoring purposes. The ARM bits in Register 6 allow the receive path to be attenuated by 0 dB, –6 dB,
or –12 dB. The ATM bits, which are also in Register 6, allow the transmit path to be attenuated by –20 dB, –26 dB,
or –32 dB. Both the transmit and receive paths can also be independently muted.
Figure 17. Optional Connection to AOUT for a Call Progress Speaker
Table 14. 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
3 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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