AD9863BCPZ-50 Analog Devices Inc, AD9863BCPZ-50 Datasheet - Page 15

• Manufacturer Part Number: AD9863BCPZ-50
• Description: IC,RF Modulator/Demodulator,LLCC,64PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD9863BCPZ-50

• Rf Type: WLL, WLAN
• Features: 12-bit ADC(s), 12-bit DAC(s)
• Package / Case: 64-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 34 to Figure 39 use the same input data to the Tx path, a 256-carrier OFDM signal over a 1.75 MHz bandwidth, centered at 7 MHz.
The four center carriers are removed from the signal to observe the in-band intermodulation distortion (IMD) from the DAC output.
Figure 34. AD9863 Tx Path FFT, 256-Carrier (Four Center Carriers Removed)
OFDM Signal over 1.75 MHz Bandwidth, Centered at 7 MHz, with
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Figure 35. AD9863 Tx Path FFT, Lower-Band IMD Products of
Figure 36. AD9863 Tx Path FFT of OFDM Signal in Figure 34,
6.06
6.0
0
20 mA Full-Scale Output into 60 Ω Differential Load
6.2
6.08
5
6.4
OFDM Signal in Figure 34
with 1× Interpolation
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6.10
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FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
6.8
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6.16
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6.18
8.0
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Figure 38. AD9863 Tx Path FFT, Upper-Band IMD Products of
Figure 39. AD9863 Tx Path FFT of OFDM Signal in Figure 34,
6.97
7.81
Figure 37. AD9863 Tx Path FFT, In-Band IMD Products of
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6.98
5
OFDM Signal in Figure 34
OFDM Signal in Figure 34
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with 2× Interpolation
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10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
7.87
7.00
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AD9863
7.03