adl5373 Analog Devices, Inc., adl5373 Datasheet - Page 16
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adl5373
Manufacturer Part Number
adl5373
Description
2300 Mhz To 3000 Mhz Quadrature Modulator
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADL5373.pdf
(20 pages)
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ADL5373
Figure 36 shows the uncompensated and compensated error-
vector magnitude (EVM) vs. output power for a 10 MHz
1024-OFDMA waveform at 2600 MHz.
Figure 36. Uncompensated and Compensated Error-Vector Magnitude (EVM)
LO GENERATION USING PLLs
Analog Devices has a line of PLLs that can be used for generating
the LO signal. Table 4 lists the PLLs together with their maximum
frequency and phase noise performance.
Table 4. Analog Devices PLL Selection Table
Part
ADF4110
ADF4111
ADF4112
ADF4113
ADF4116
ADF4117
ADF4118
The
frequency ranges. One is chosen depending on the local oscillator
frequency required. Although the use of the integrated synthesizer
may come at the expense of slightly degraded noise performance
from the ADL5373, it can be a cheaper alternative to a separate
PLL and VCO solution. Table 5 shows the options available.
Table 5. ADF4360 Family Operating Frequencies
Part
ADF4360-0
ADF4360-1
ADF4360-2
ADF4360-3
ADF4360-4
ADF4360-5
ADF4360-6
ADF4360-7
ADF4360-8
vs. Output Power for a 10 MHz 1024-OFDMA Waveform at 2600 MHz;
ADF4360
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
2
1
0
–21
Frequency
f
550
1200
3000
4000
550
1200
3000
–19
IN
comes as a family of chips, with nine operating
(MHz)
Output Frequency Range (MHz)
2400 to 2725
2050 to 2450
1850 to 2150
1600 to 1950
1450 to 1750
1200 to 1400
1050 to 1250
350 to 1800
65 to 400
–17
UNCOMPENSATED EVM
LO Power = 0 dBm
–15
COMPENSATED EVM
OUTPUT POWER (dBm)
–13
Phase Noise @ 1 kHz Offset
and 200 kHz PFD (dBc/Hz)
−91 @ 540 MHz
−87 @ 900 MHz
−90 @ 900 MHz
−91 @ 900 MHz
−89 @ 540 MHz
−87 @ 900 MHz
−90 @ 900 MHz
–11
–9
–7
–5
–3
Rev. 0 | Page 16 of 20
TRANSMIT DAC OPTIONS
The
sheet is by no means the only DAC that can be used to drive the
ADL5373. There are other appropriate DACs, depending on the
level of performance required. Table 6 lists the dual TxDACs
offered by Analog Devices.
Table 6. Dual TxDAC Selection Table
Part
AD9709
AD9761
AD9763
AD9765
AD9767
AD9773
AD9775
AD9777
AD9776
AD9778
AD9779
All DACs listed have nominal bias levels of 0.5 V and use the
same simple DAC modulator interface that is shown in Figure 32.
MODULATOR/DEMODULATOR OPTIONS
Table 7 lists other Analog Devices modulators and demodulators.
Table 7. Modulator/Demodulator Options
Part No.
AD8345
AD8346
AD8349
ADL5390
ADL5385
ADL5370
ADL5371
ADL5372
ADL5374
AD8347
AD8348
AD8340
AD8341
AD9779
Resolution (Bits)
8
10
10
12
14
12
14
16
12
14
16
Modulator/
Demodulator
Modulator
Modulator
Modulator
Modulator
Modulator
Modulator
Modulator
Modulator
Modulator
Demodulator
Demodulator
Vector modulator
Vector modulator
recommended in the previous sections of this data
Update Rate (MSPS Minimum)
125
40
125
125
125
160
160
160
1000
1000
1000
Frequency
Range (MHz)
140 to 1000
800 to 2500
700 to 2700
20 to 2400
50 to 2200
300 to 1000
500 to 1500
1500 to 2500
3000 to 4000
800 to 2700
50 to 1000
700 to 1000
1500 to 2400
Comments
External
quadrature