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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 32/48頁(yè) |
| 文件大?。?/td> | 245K |
| 代理商： | TDA8046 |
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1996 Nov 19
32
Philips Semiconductors
Product specification
Multi-mode QAM demodulator
TDA8046
7.1.12
I
2
C-
BUS WRITE PARAMETERS
Table 10
I
2
C-bus write parameters; 1-bit values
FFEI4
FFEQ4
IF_frequency_shift
IF_frequency_shift
1F
20
21
22
b7
b7
FS7
b6
b6
FS6
b5
b5
FS5
b4
b4
FS4
b3
b3
FS3
FS11
b2
b2
FS2
FS10
b1
b1
FS1
FS9
b0
b0
FS0
FS8
PARAMETER
BIT
VALUE
DESCRIPTION
Input format
INP
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2’s complement
straight binary
Q-branch = 0
1, 0, +1
Q-branch = 0 + 1, 0,
1
by-pass mode
normal mode
filter in by-pass mode
half Nyquist filter on
15% roll-off
20% roll-off
off: pass through mode
on
normal operation
reset (with automatic return to normal operation)
off
on
outer loop inactive
outer loop active
open
closed
1st-order loop
2nd-order loop
no inversion
inversion
no inversion
inversion
no inversion
inversion
Inversion demodulator
INVD
Demodulator
DEM
Half Nyquist filter
NYQ
Roll-off factor
RLF
Digital phase rotator
DPHR
General reset
RST
Offset
OFFS
Outer loop activation
(carrier recovery)
OUTE
Analog switches
ANAS
1st and 2nd-order loop
(inner loop)
FSOL
DAC current inversion
CARI
CLKI
AGCI
FUNCTION
ADD
D7
D6
D5
D4
D3
D2
D1
D0
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| TDA8046H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multi-mode QAM demodulator |
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| TDA8050A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:QPSK transmitter |
| TDA8050T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TDA8046H |
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