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AD6684 Datasheet(PDF) 95 Page - Analog Devices

Part # AD6684
Description  135 MHz Quad IF Receiver
PDF  107 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD6684 Datasheet(HTML) 95 Page - Analog Devices

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Data Sheet
AD6684
Rev. 0 | Page 95 of 107
Address
Name
Bits
Bit Name
Settings
Description
Reset
Access
0x033E
Pair map
DDC 1 Phase
Offset 1
[7:0]
DDC 1 NCO phase value,
twos complement[15:8]
Twos complement phase offset value for
the NCO.
0x0
R/W
0x033F
Pair map
DDC 1 Phase
Offset 2
[7:0]
DDC 1 NCO phase value,
twos complement[23:16]
Twos complement phase offset value for
the NCO.
0x0
R/W
0x0340
Pair map
DDC 1 Phase
Offset 3
[7:0]
DDC 1 NCO phase value,
twos complement[31:24]
Twos complement phase offset value for
the NCO.
0x0
R/W
0x0341
Pair map
DDC 1 Phase
Offset 4
[7:0]
DDC 1 NCO phase value,
twos complement[39:32]
Twos complement phase offset value for
the NCO.
0x0
R/W
0x0342
Pair map
DDC 1 Phase
Offset 5
[7:0]
DDC 1 NCO phase value,
twos complement[47:40]
Twos complement phase offset value for
the NCO.
0x0
R/W
0x0347
Pair map
DDC 1 test
enable
[7:3]
Reserved
Reserved.
0x0
R
2
DDC 1 Q output test mode
enable
Q samples always use the Test Mode B/
Test Mode D block.
0x0
R/W
0
Test mode disabled.
1
Test mode enabled.
1
Reserved
Reserved.
0x0
R
0
DDC 1 I output test mode
enable
I samples always use the Test Mode A/
Test Mode C block.
0x0
R/W
0
Test mode disabled.
1
Test mode enabled.
0x041E
Channel
map NSR
decimate by
2 control
7
High-pass/low-pass mode
Decimate by 2 high-pass/low-pass mode.
0x0
R/W
0
Enable LPF.
1
Enable HPF.
6
Reserved
Reserved.
0x0
R
[5:4]
Reserved
Reserved.
0x0
R/W
[3:1]
Reserved
Reserved.
0x0
R
0
NSR decimate by 2 enable
0x0
R/W
0
Decimate by 2 disabled.
1
Decimate by 2 enabled.
0x0420
NSR mode
7
Reserved
Reserved.
0x0
R/W
[6:4]
Reserved
Reserved.
0x0
R
[3:1]
NSR mode
0x0
R/W
000
21% BW mode.
001
28% BW mode.
0
Reserved
Reserved.
0x0
R
0x0422
Channel
map NSR
tuning
[7:6]
Reserved
Reserved.
0x0
R
[5:0]
NSR tuning word
Noise shaped requantizer tuning
frequency (see the Noise Shaping
Requantizer (NSR) section for details).
0x0
R/W



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