Datasheet

ADF4193 Data Sheet
Rev. F | Page 8 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
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FREQ. UNIT GHz KEYWORD R
PARAM TYPE S IMPEDANCE 50
DATA FORMAT MA
FREQ. MAGS11 ANGS11
0.5 0.8897 –16.6691
0.6 0.87693 –19.9279
0.7 0.85834 –23.561
0.8 0.85044 –26.9578
0.9 0.83494 –30.8201
1.0 0.81718 –34.9499
1.1 0.80229 –39.0436
1.2 0.78917 –42.3623
1.3 0.77598 –46.322
1.4 0.75578 –50.3484
1.5 0.74437 –54.3545
1.6 0.73821 –57.3785
1.7 0.7253 –60.695
1.8 0.71365 –63.9152
1.9 0.70699 –66.4365
2.0 0.7038 –68.4453
2.1 0.69284 –70.7986
2.2 0.67717 –73.7038
FREQ. MAGS11 ANGS11
2.3 0.67107 –75.8206
2.4 0.66556 –77.6851
2.5 0.6564 –80.3101
2.6 0.6333 –82.5082
2.7 0.61406 –85.5623
2.8 0.5977 –87.3513
2.9 0.5655 –89.7605
3.0 0.5428 –93.0239
3.1 0.51733 –95.9754
3.2 0.49909 –99.1291
3.3 0.47309 –102.208
3.4 0.45694 –106.794
3.5 0.44698 –111.659
3.6 0.43589 –117.986
3.7 0.42472 –125.62
3.8 0.41175 –133.291
3.9 0.41055 –140.585
4.0 0.40983 –147.97
Figure 4. S Parameter Data for the RF Input
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FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1k 10k 100k 1M 10M
–170
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
100M
GSM900 Rx SETUP, 40kHz LOOP BW, DITHER OFF
RF = 1092.8MHz, F
REF
= 26MHz, MOD = 130
N = 42 4/130
INTEGER BOUNDARY SPUR: –103dBc @ 800kHz
Figure 5. SSB Phase Noise Plot at 1092.8 MHz (GSM900 Rx Setup) vs.
Free Running VCO Noise
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FREQUENCY (MHz)
SPUR LEVEL (dBc)
1846 1859
–120
–110
–100
–90
–80
–70
–60
1872
400kHz SPURS @ 25°C
400kHz SPURS @ 85°C
DCS1800 Tx SETUP WITH DITHER OFF,
60kHz LOOP BW, 13MHz PFD.
MEASURED ON EVAL-ADF4193-EB1 BOARD
Figure 6. 400 kHz Fractional Spur Levels Across All DCS1800 Tx Channels
Over Two-Integer Multiples of the PFD Reference
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RF
IN
FREQUENCY (MHz)
RF
IN
LEVEL (dBm)
0 1000 2000 3000 4000
–35
0
–5
–10
–15
–20
–25
–30
5000
4/5 PRESCALER
8/9 PRESCALER
Figure 7. RF Input Sensitivity
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FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1k 10k 100k 1M 10M
–170
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
100M
DCS1800 Tx SETUP, 60kHz LOOP BW, DITHER OFF
RF = 1842.6MHz, F
REF
= 13MHz, MOD = 65
DSB INTEGRATED PHASE ERROR = 0.46° RMS
SIRENZA 1843T VCO
Figure 8. SSB Phase Noise Plot at 1842.6 MHz (DCS1800 Tx Setup)
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FREQUENCY (MHz)
SPUR LEVEL (dBc)
1846 1859
–120
–110
–100
–90
–80
–70
–60
1872
600kHz SPURS @ 25°C
600kHz SPURS @ 85°C
DCS1800 Tx SETUP WITH DITHER OFF,
60kHz LOOP BW, 13MHz PFD.
MEASURED ON EVAL-ADF4193-EB1 BOARD
Figure 9. 600 kHz Fractional Spur Levels Across All DCS1800 Tx Channels
Over Two-Integer Multiples of the PFD Reference