参数资料
| 型号： | EV-ADF4108EB1Z |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADF4108EB1Z |
| 标准包装： | 1 |
| 系列： | * |
Evaluation Board User Guide
EVALUATION AND TEST
UG-160
To evaluate and test the performance of the ADF4108 , use the
following procedure:
9.
Select the USB board and the ADF4108 device in the
Select Device and Connection tab of the main window of
1.
2.
3.
4.
5.
6.
7.
8.
Install the Analog Devices Int-N software (see the UG-476
user guide, PLL Software Installation Guide ).
Use ADIsimPLL to generate the loop filter component
values if a different loop filter is required.
Install the USB software drivers. Connect the evaluation
board to a PC using the supplied USB cable. Follow the
hardware driver installation procedure that appears.
Connect the USB connector to the EV-ADF4108EB1Z .
Connect a reference signal to REFIN.
Connect a spectrum analyzer to EXT_VCOOUT or VCO/2.
Run the Int-N software.
the evaluation board software.
10. In the Main Controls tab in the main window of the
evaluation board software, set the VCO center frequency in
the RF VCO Output Frequency text box (the example in
box as specified in ADIsimPLL , and program the Reference
Frequency value to equal the reference connected to the
REFIN SMA Connector (or the TCXO). See Figure 6 for
the suggested setup.
11. Measure the output spectrum. Figure 5 shows 6.4 GHz
phase noise output.
R&S FSUP 26 Signal Source Analyzer
LOCKED
Settings
Residual Noise [T1 w/o spurs]
Phase Detector +0 dB
Signal Frequency:
6.400000 GHz
Int PHN (1.0 k .. 30.0 M) –40.5 dBc
Signal Level:
Cross Corr Mode
Internal Ref Tuned
–4.73 dBm
Harmonic 1
Internal Phase Det
Residual PM
Residual FM
RMS Jitter
0.768 °
1.86 kHz
0.3334 ps
Phase Noise [dBc/Hz]
Marker 1 [T1]
Marker 2 [T1]
RF Atten
5 dB
10 kHz
100 kHz
Top –70 dBc/Hz
LoopBW
–80
–90
–100
1
–82.78 dBc/Hz
2
–111.06 dBc/Hz
Spur Pow er (dBc)
–80
–90
–10 0
1 CLRWR
SMTH 1%
2 CLRWR
–110
–120
–130
–140
–150
–11 0
–12 0
–13 0
–14 0
–15 0
EXT
SPR OFF
–160
–170
–16 0
–17 0
TH 0dB
1kHz
10kHz
100kHz
1MHz
10MHz
30MHz
FREQUENCY OFFSET
Figure 5. Spectrum Analyzer Display
Rev. B | Page 7 of 16
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