參數(shù)資料
型號: TDA8046
廠商: NXP Semiconductors N.V.
英文描述: ECONOLINE: RB & RA - Dual Output from a Single Input Rail- Power Sharing on Output- Industry Standard Pinout- 1kVDC & 2kVDC Isolation- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 85%
中文描述: 多模QAM解調(diào)器
文件頁數(shù): 34/48頁
文件大?。?/td> 245K
代理商: TDA8046
1996 Nov 19
34
Philips Semiconductors
Product specification
Multi-mode QAM demodulator
TDA8046
Table 12
I
2
C-bus write parameters; 3-bit values
Table 13
Convergence step for the equalizer (DFE and FFE parts)
Table 14
I
2
C-bus write parameters; 4-bit values
PARAMETER
BITS
DESCRIPTION
CONC
CONB
CONA
Constellation
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
4-QAM
16-QAM
32-QAM
64-QAM
256-QAM
DSTP2 FSTP2
DSTP1 FSTP1
DSTP0 FSTP0
CONVERGENCE STEP
(LOCK = 0)
2
-13
2
-13
2
-13
2
-12
2
-12
2
-12
2
-12
2
-11
CONVERGENCE STEP
(LOCK = 1)
2
-15
2
-14
2
-13
2
-15
2
-14
2
-13
2
-12
2
-15
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
PARAMETER
BITS
DESCRIPTION
OUTF
TSEL2
TSEL1
TSEL0
Output format
0
0
1
0
0
1
x
x
0
1
x
0
0
1
x
1
8 bits in parallel
I/Q 8 bits multiplexed (equalizer output)
semi-serial
DO7 to DO4 = carrier recovery DAC input;
DO3 to DO0 = AGC DAC input
DO7 to DO6 = fine AGC;
DO5 to DO0 = clock recovery DAC input
DO7 to DO0 = I and Q equal input
(I/Q 8 bits multiplexed format)
DO7 to DO0 = I and Q equal output
(I/Q 8 bits multiplexed format)
Special test
modes
0
x
1
0
0
0
1
1
0
1
1
1
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