AD9777-EB Analog Devices Inc, AD9777-EB Datasheet - Page 40
AD9777-EB
Manufacturer Part Number
AD9777-EB
Description
BOARD EVAL FOR AD9777
Manufacturer
Analog Devices Inc
Series
TxDAC+®r
Datasheet
1.AD9777BSVZ.pdf
(60 pages)
Specifications of AD9777-EB
Rohs Status
RoHS non-compliant
Number Of Dac's
2
Number Of Bits
16
Outputs And Type
2, Differential
Sampling Rate (per Second)
160M
Data Interface
Parallel
Settling Time
11ns
Dac Type
Current
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD9777
- Current page: 40 of 60
- Download datasheet (2Mb)
AD9777
IMAGINARY
IMAGINARY CHANNEL (IN)
REAL CHANNEL (IN)
REAL
A
B
DC
DC
1
2
F
F
C
Q
= COMPLEX MODULATION FREQUENCY
= QUADRATURE MODULATION FREQUENCY
QUADRATURE
MODULATOR
Figure 79. Two-Stage Upconversion and Resulting Image Rejection
MODULATOR
COMPLEX
OUT
Rev. C | Page 40 of 60
–B/2J
–A/2J
–A/4 – B/4J
–F
IMAGINARY CHANNEL (OUT)
A/4 + B/4J A/4 – B/4J
–F
A/2
B/2
–F
–F
–F
A/2 + B/2J
C
Q
REAL CHANNEL (OUT)
C
C
C
1
– F
C
–F
–F
–F
Q
2
Q
Q
A/4 – B/4J
–F
Q
REJECTED IMAGES
+ F
C
B/2J
A/2J
A/2
B/2
F
F
–F
F
C
C
C
C
A/4 + B/4J A/4 – B/4J
A/4 + B/4J –A/4 + B/4J
F
Q
– F
TO QUADRATURE
MODULATOR
C
F
F
F
Q
Q
Q
A/2 – B/2J
F
Q
+ F
C
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