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AD6649EBZ bảng dữ liệu(PDF) 35 Page - Analog Devices

tên linh kiện AD6649EBZ
Giải thích chi tiết về linh kiện  IF Diversity Receiver
PDF  41 Pages
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nhà sản xuất  AD [Analog Devices]
Trang chủ  http://www.analog.com
Logo AD - Analog Devices

AD6649EBZ bảng dữ liệu(HTML) 35 Page - Analog Devices

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AD6649
Data Sheet
Rev. C | Page 34 of 40
Addr
(Hex)
Register
Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
(Hex)
Default
Notes/
Comments
0x1F
User Test
Pattern 4 LSB
(global)
User Test Pattern 4[7:0]
0x00
0x20
User Test
Pattern 4 MSB
(global)
User Test Pattern 4[15:8]
0x00
0x3A
Sync control
(global)
Open
Open
Open
Open
Open
Clock
divider
next sync
only
Clock
divider
sync
enable
Master sync
buffer enable
0x00
Digital Feature Control Registers
0x40
DC correction
control
(local)
Open
DC
correction
freeze
DC correction bandwidth select
0000 = 2387.32 Hz
0001 = 1193.66 Hz
0010 = 596.83 Hz
0011 = 298.42 Hz
0100 = 149.21 Hz
0101 = 74.60 Hz
0110 = 37.30 Hz
0111 = 18.65 Hz
1000 = 9.33 Hz
1001 = 4.66 Hz
1010 = 2.33 Hz
1011 = 1.17 Hz
1100 = 0.58 Hz
1101 = 0.29 Hz
1110 = reserved
1111 = reserved
DC
correction
enable
Open
0x00
0x41
DC Correction
Value 0 (local)
DC correction value[7:0]
Read only.
0x42
DC Correction
Value 1 (local)
DC correction value[15:8]
Read only.
0x45
Fast detect
control (local)
Open
Open
Open
Open
Force FD
output
enable
Force FD
output
value
Reserved
Enable fast
detect output
0x00
0x47
Fast Detect
Upper
Threshold 0
(local)
Fast detect upper threshold[7:0]
0x00
0x48
Fast Detect
Upper
Threshold 1
(local)
Open
Open
Open
Fast detect upper threshold[12:8]
0x00
0x49
Fast Detect
Lower
Threshold 0
(local)
Fast detect lower threshold[7:0]
0x00
0x4A
Fast Detect
Lower
Threshold 1
(local)
Open
Open
Open
Fast detect lower threshold[12:8]
0x00
0x4B
Fast Detect
Dwell Time 0
(local)
Fast detect dwell time[7:0]
0x00
0x4C
Fast Detect
Dwell Time 1
(local)
Fast detect dwell time[15:8]
0x00
0x50
Filter control
(local)
1
Reserved
1
FIR mode
0 = high
perfor-
mance
1 = low
latency
Output
gain
0 = 0 dB
1 = −6 dB
9-bit
output
mode
enable
Datapath gain
00 = 0 dB
01 = −6 dB
10 = −12 dB
11 = −18 dB
0xB0
0x51
NCO control
(local)
Reserved
NCO32 to
fS/4 NCO
sync
enable
Spectral
reversal
1
Reserved
NCO32
amplitude
dither
enable
NCO32
phase
dither
enable
1
0x51
0x52
NCO
Frequency 3
(local)
NCO frequency value[31:24]
0x40



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