參數(shù)資料
型號(hào)： AM79213
廠商： Electronic Theatre Controls, Inc.
英文描述： Advanced Subscriber Line Interface Circuit (ASLIC) Device
中文描述： 高級(jí)用戶線接口電路（ASLIC）設(shè)備
文件頁(yè)數(shù)： 42/48頁(yè)
文件大?。?/td> 501K
代理商： AM79213
42
Am79213/Am79C203/031 Data Sheet
where:
M
1
= m
1
M
2
= m
1
+m
2
M
3
= m
1
+m
2
+m
3
M
4
= m
1
+m
2
+m
3
+m
4
In the ASLAC device, a coefficient, h
i
, consists of N CSD coefficients, each being made up of 4 bits and formatted
as C
xy
m
xy
, where C
xy
is one bit (MSB) and m
xy
is 3 bits. Each CSD coefficient is broken down as follows:
C
xy
is the sign bit (0 = positive, 1 = negative).
m
xy
is the 3-bit shift code. It is encoded as a binary number as follows:
B
1
= C
1
B
2
= C
1
C
2
B
3
= C
1
C
2
C
3
B
4
= C
1
C
2
C
3
C
4
000:
0 shifts
001:
1 shifts
010:
2 shifts
011:
3 shifts
100:
4 shifts
101:
5 shifts
110:
6 shifts
111:
7 shifts
y
is the coefficient number (the i in h
i
).
x is the position of this CSD coefficient within the h
i
coefficient. The most significant binary 1 is represented by x = 1.
The next most significant binary 1 is represented by x = 2, and so on.
Thus, C
13
m
13
represents the sign and the relative shift position for the first (most significant) binary 1 in the 4th (h
3
)
coefficient.
The number of CSD coefficients, N, is limited to 4 in the GR, GX, R, X, Z, and the IIR part of the B filter, and 3 for
the FIR part of the B filter. Note also that the GX-filter coefficient equation is slightly different from the other filters.
Equation (7)
Please refer to the Am79213/Am79C203/031 Technical Reference, PID 21325A detailing the commands for complete
details on programming the coefficients.
h
iGX
1
h
i
+
=
相關(guān)PDF資料
PDF描述
AM79C031 Advanced Subscriber Line Interface Circuit (ASLIC) Device
AM79C031JC Advanced Subscriber Line Interface Circuit (ASLIC) Device
AM79C202 Advanced Subscriber Line Interface Circuit
AM79C202JC Advanced Subscriber Line Interface Circuit
AM79C203 Advanced Subscriber Line Interface Circuit (ASLIC) Device
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79213JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
AM7922-1JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
AM7922-1SC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
AM7922-2JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
AM7922-2SC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
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