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AD6684 Datasheet(PDF) 96 Page - Analog Devices

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

AD6684 Datasheet(HTML) 96 Page - Analog Devices

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AD6684
Data Sheet
Rev. 0 | Page 96 of 107
Address
Name
Bits
Bit Name
Settings
Description
Reset
Access
0x0430
Pair map
VDR control
7
Reserved
Reserved.
0x0
R/W
[6:5]
Reserved
Reserved.
0x0
R
4
Reserved
Reserved.
0x0
R/W
[3:2]
Reserved
Reserved.
0x0
R
1
VDR bandwidth
0x0
R/W
0
25% BW mode.
1
43% BW mode. Only available in complex
mode.
0
VDR complex mode enable
0x1
R/W
0
Dual real mode. Ignore Bit 1.
1
Dual complex mode. Complex input,
Channel A/Channel C are I and Channel
B/Channel D are Q.
0x0434
Channel
map VDR
tuning
frequency
[7:4]
Reserved
Reserved.
0x0
R
[3:0]
VDR center frequency
See the Variable Dynamic Range (VDR)
section for details.
0x0
R/W
0x0550
Channel
map test
mode
control
7
User pattern selection
0x0
R/W
0
Continuous repeat.
1
Single pattern.
6
Reserved
Reserved.
0x0
R
5
Reset PN long generation
0x0
R/W
0
Long PN enabled.
1
Long PN held in reset.
4
Reset PN short generation
0x0
R/W
0
Short PN enabled.
1
Short PN held in reset.
[3:0]
Test mode selection
0x0
R/W
0000
Off—normal operation.
0001
Midscale short.
0010
Positive full scale.
0011
Negative full scale.
0100
Alternating checker board.
0101
PN sequence—long.
0110
PN sequence—short.
0111
1/0 word toggle.
1000
User pattern test mode (used with the test
mode patern selection and the User
Pattern 1 through User Pattern 4 registers)
1111
Ramp output.
0x0551
Pair map
User Pattern
1 LSB
[7:0]
User Pattern 1[7:0]
User Test Pattern 1 least significant byte
0x0
R/W
0x0552
Pair map
User Pattern
1 MSB
[7:0]
User Pattern 1[15:8]
User Test Pattern 1 most significant byte
0x0
R/W
0x0553
Pair map
User Pattern
2 LSB
[7:0]
User Pattern 2[7:0]
User Test Pattern 2 least significant byte
0x0
R/W
0x0554
Pair map
User Pattern
2 MSB
[7:0]
User Pattern 2[15:8]
User Test Pattern 2 most significant byte
0x0
R/W
0x0555
Pair map
User Pattern
3 LSB
[7:0]
User Pattern 3[7:0]
User Test Pattern 3 least significant byte
0x0
R/W



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