AD9773-EB Analog Devices Inc, AD9773-EB Datasheet - Page 40

• Manufacturer Part Number: AD9773-EB
• Description: BOARD EVAL FOR AD9773
• Manufacturer: Analog Devices Inc
• Series: TxDAC®r

Specifications of AD9773-EB

• Rohs Status: RoHS non-compliant
• Number Of Dac's: 2
• Number Of Bits: 12
• 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: AD9773

AD9773
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. D | Page 40 of 60
–B/2J
–A/2J
–A/4 – B/4J
IMAGINARY CHANNEL (OUT)
A/4 + B/4J A/4 – B/4J
–
–
A/2
B/2
f
–
–
–
A/2 + B/2J
f
C
f
f
f
Q
REAL CHANNEL (OUT)
1
C
C
C
–
f
C
–
f
–
–
Q
f
f
Q
Q
2
A/4 – B/4J
–
f
Q
REJECTED IMAGES
+
f
C
B/2J
A/2J
A/2
B/2
f
f
–
f
C
C
C
f
C
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
A/4 – B/4J
f
Q
+
f
C