ADF7012 データシートの表示（PDF） - Analog Devices
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ADF7012 Datasheet PDF : 28 Pages
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915 MHz
–40
–60
–80
= NORMAL
FREQUENCY = 992.38 kHz
LEVEL = –102.34dBc/Hz
–100
–120
–140
–160
–180
–200
1.0k
10.0k
100.0k
1.0M
PHASE NOISE (Hz)
10.0M
Figure 21. Phase Noise Response—ICP = 1.44 mA, IVCO = 3.0 mA,
RFOUT = 915.2 MHz, PFD =10 MHz, Power = 10 dBm, PA Bias = 5.5 mA
REF LVL
15dBm
15
10
0
–10
–20 1MAX
RBW 10kHz RF ATT 40dB
3.88dBm VBW 300kHz
915.19098196MHz SWT 15ms UNIT dBm
A
1
1MA
–30
–40
–50
–60
–70
–80
–85
CENTER 915.190982MHz
50kHz/
SPAN 500kHz
Figure 22. FSK Modulation, Power = 10 dBm, Data Rate = 38.4 kbps,
FDEVIATION = ±19.2 kHz
REF LVL
15dBm
15
10
0
–10
–20
9.94dBm
915.23167977MHz
RBW 10kHz
VBW 300kHz
SWT 100ms
1
RF ATT
UNIT
40dB
dBm
*
A
SGL
1MA
–30
–40
D1 –41.5dBm
–50
D1 –49.5dBm
–60
–70
–80
–85
CENTER 915.2MHz
40MHz/
SPAN 400MHz
Figure 23. Spurious Components—Meets FCC Specs
ADF7012
REF LVL
15dBm
15
10 1
RBW 50MHz RF ATT 40dB
10.25dBm VBW 50MHz
907.81563126MHz SWT 6.4s UNIT dBm
A
0
2
–10
4
–20 1MAX
3
1MA
–30
–40
D1 –41.5dBm
–50
–60
1 [T1]
10.25dBm 3 [T1]
–70
907.81563126MHz
2 [T1]
–10.06dBm 4 [T1]
–80
1.83126253GHz
–85
CENTER 3.8GHz
640MHz/
–20.29dBm
2.74188377GHz
–17.50dBm
3.65250501GHz
SPAN 6.4GHz
Figure 24. Harmonic Response, RFOUT Matched to 50 Ω, No Filter
REF LVL
15dBm
15
10 1
0
–10
–20 1MAX
RBW 50MHz RF ATT 40dB
9.06dBm VBW 50MHz
907.81563126MHz SWT 6.4s UNIT dBm
A
1MA
–30
–40
2
3
4 D1 –41.5dBm
–50
–60
1 [T1]
9.06dBm 3 [T1]
–70
907.81563126MHz
2 [T1]
–48.40dBm 4 [T1]
–80
1.83126253GHz
–85
CENTER 3.8GHz
640MHz/
–46.22dBm
2.74188377GHz
–46.96dBm
3.65250501GHz
SPAN 6.4GHz
Figure 25. Harmonic Response, Fifth-Order Chebyshev Filter
Rev. A | Page 11 of 28
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