AD9125-M5372-EBZ Analog Devices Inc, AD9125-M5372-EBZ Datasheet - Page 16

• Manufacturer Part Number: AD9125-M5372-EBZ
• Description: 16-BIT DAC Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of AD9125-M5372-EBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: DAC
• Kit Application Type: Data Converter
• Silicon Core Number: AD9125
• Features: Come With Clocking And Analog Quadrature Modulator Circuits
• Kit Contents: Quick Start Guide, Board, Software Updates
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADL5372
WCDMA OPERATION
The ADL5372 is suitable for operation in a WCDMA
environment, providing better than 72.5 dB of adjacent channel
power ratio (ACPR) at an output power of −10 dBm, with a
20 MHz noise floor of −157 dBm/Hz. Figure 36 and Figure 37
show the ACPR and 20 MHz offset noise floor of the ADL5372
vs. the output power at LO frequencies of 1966 MHz and
2140 MHz, respectively.
WiMAX OPERATION
Figure 38 demonstrates the ACPR vs. the output power for the
ADL5372 at 2350 MHz. The following test conditions were
applied: a 10 MHz wide 64-QAM OFDM signal with 256
subcarriers, and a raised cosine filter with an α = 0.2.
20 MHz Offset Noise Floor vs. Output Power at 1966 MHz; LO Power = 0 dBm
Figure 37. WCDMA Adjacent and Alternate Channel Power and 20 MHz
Figure 36. WCDMA Adjacent and Alternate Channel Power ratios and
Offset Noise Floor vs. Output Power at 2140 MHz; LO Power = 0 dBm
–70
–72
–74
–76
–78
–80
–82
–70
–72
–74
–76
–78
–80
–82
–14
–14
–13
–13
ALTERNATE CPR
–12
–12
20MHz NOISE FLOOR
–11
–11
P
P
ADJACENT CPR
OUT
OUT
ADJACENT CPR
(dBm)
(dBm)
–10
–10
20MHz NOISE FLOOR
–9
–9
ALTERNATE CPR
–8
–8
–7
–7
–155.5
–156.0
–156.5
–157.0
–157.5
–158.0
–158.5
–155.5
–156.0
–156.5
–157.0
–157.5
–158.0
–158.5
Rev. 0 | Page 16 of 24
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. While the use of the integrated
synthesizer may come at the expense of slightly degraded noise
performance from the ADL5372, 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
Figure 38. WiMAX ACPR and Noise Floor vs. Output Power at 2350 MHz;
–60
–62
–64
–66
–68
–70
–58
–72
ADF4360
–16
Frequency F
550
1200
3000
4000
550
1200
3000
–14
comes as a family of chips, with nine operating
70MHz OFFSET NOISE FLOOR
ACPR
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
–12
OUTPUT POWER (dBm)
IN
LO Power = 0 dBm
(MHz)
–10
–8
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
–6
–4
–2
–153
–154
–155
–156
–157
–158
–159
–160