AD9779-EBZ Analog Devices Inc, AD9779-EBZ Datasheet - Page 21

• Manufacturer Part Number: AD9779-EBZ
• Description: BOARD EVALUATION FOR AD9779
• Manufacturer: Analog Devices Inc

Specifications of AD9779-EBZ

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 40. AD9778 ACLR, Single-Carrier WCDMA, 4× Interpolation,
100
100
–60
–70
–80
–90
90
80
70
60
50
90
80
70
60
50
0
0
0
Figure 39. AD9778 In-Band SFDR, 2× Interpolation
40
25
3RD ADJ CHAN
f
Figure 38. AD9778 IMD, 4× Interpolation
DATA
4× 100MSPS
80
20
50
= 122.88 MSPS, Amplitude = −3 dBFS
120
f
75
DATA
4× 150MSPS
160
100
= 160MSPS
40
f
f
f
OUT
OUT
OUT
200
125
(MHz)
(MHz)
(MHz)
2ND ADJ CHAN
f
DATA
240
1ST ADJ CHAN
150
60
= 250MSPS
f
280
DATA
175
4× 200MSPS
= 200MSPS
320
200
80
360
225
400
100
250
Rev. A | Page 21 of 56
REF –25.39dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
CENTER 143.88MHz
*RES BW 30kHz
RMS RESULTS
CARRIER POWER
–12.74dBm/
3.84000MHz
Figure 43. AD9778 Noise Spectral Density vs. f
–150
–154
–158
–162
–166
–170
–150
–154
–158
–162
–166
–170
Figure 42. AD9778 Noise Spectral Density vs. f
Figure 41. AD9778 ACLR, f
0
0
f
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
DAC
with 500 kHz Spacing, f
= 200MSPS
20
20
*ATTEN 4dB
at −6 dBFS, f
f
VBW 300kHz
DAC
f
REF BW
3.884MHz
3.840MHz
3.840MHz
DAC
f
AD9776/AD9778/AD9779
DAC
= 200MSPS
DATA
/4 Modulation
= 800MSPS
40
40
f
f
OUT
OUT
= 122.88 MSPS, 4× Interpolation,
DATA
dBc
–76.49
–80.13
–80.90
LOWER
(MHz)
(MHz)
= 200 MSPS
f
SWEEP 162.2ms (601 pts)
DAC
DATA
dBm
–89.23
–92.87
–93.64
f
DAC
f
60
60
DAC
= 800MSPS
= 200 MSPS
= 400MSPS
dBc
–76.89
–80.02
–79.53
= 400MSPS
DAC
DAC
UPPER
SPAN 50MHz
Single-Tone Input
Eight-Tone Input
dBm
–89.63
–92.76
–92.27
80
80
100
100