ADL5374ACPZ-WP データシートの表示（PDF） - Analog Devices
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ADL5374ACPZ-WP Datasheet PDF : 20 Pages
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ADL5374
Figure 36 shows the uncompensated error-vector magnitude
(EVM) vs. output power for a 10 MHz 1024-OFDMA waveform
at 3500 MHz.
2.0
1.8
1.6
1.4
1.2
1.0
UNCOMPENSATED EVM
0.8
0.6
0.4
0.2
0
–22 –20 –18 –16 –14 –12 –10 –8
–6
OUTPUT POWER (dBm)
Figure 36. Uncompensated Error-Vector Magnitude (EVM) vs. Output Power
for a 10 MHz 1024-OFDMA Waveform at 3500 MHz; LO Power = 0 dBm
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
Frequency fIN (MHz)
550
1200
3000
4000
550
1200
3000
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
The ADF4360 comes as a family of chips with nine operating
frequency ranges. One can be chosen depending on the local
oscillator frequency required. While the use of the integrated
synthesizer may come at the expense of slightly degraded noise
performance from the ADL5374, 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
Output Frequency Range (MHz)
ADF4360-0
2400 to 2725
ADF4360-1
2050 to 2450
ADF4360-2
1850 to 2150
ADF4360-3
1600 to 1950
ADF4360-4
1450 to 1750
ADF4360-5
1200 to 1400
ADF4360-6
1050 to 1250
ADF4360-7
350 to 1800
ADF4360-8
65 to 400
TRANSMIT DAC OPTIONS
The AD9779 recommended in the previous sections of this data
sheet is by no means the only DAC that can be used to drive the
ADL5374. 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
Resolution (Bits) Update Rate (MSPS Minimum)
AD9709 8
125
AD9761 10
40
AD9763 10
125
AD9765 12
125
AD9767 14
125
AD9773 12
160
AD9775 14
160
AD9777 16
160
AD9776 12
1000
AD9778 14
1000
AD9779 16
1000
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
Modulator/
Part No. Demodulator
Frequency
Range (MHz)
AD8345 Modulator
140 to 1000
AD8346 Modulator
800 to 2500
AD8349 Modulator
700 to 2700
ADL5390 Modulator
20 to 2400
ADL5385
ADL5370
ADL5371
ADL5372
ADL5373
AD8347
AD8348
AD8340
AD8341
Modulator
Modulator
Modulator
Modulator
Modulator
Demodulator
Demodulator
Vector modulator
Vector modulator
50 to 2200
300 to 1000
500 to 1500
1500 to 2500
2300 to 3000
800 to 2700
50 to 1000
700 to 1000
1500 to 2400
Comments
External
quadrature
Rev. 0 | Page 16 of 20
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