adf7012 Analog Devices, Inc., adf7012 Datasheet - Page 10

• Manufacturer Part Number: adf7012
• Description: Multichannel Ism Band Fsk/gfsk/ook/gook/ask Transmitter
• Manufacturer: Analog Devices, Inc.

ADF7012
868 MHZ
Figure 16. Phase Noise Response–I
Figure 17. FSK Modulation, Power = 12.5 dBm, Data Rate = 38.4 kbps,
–10
–20
–30
–40
–50
–60
–70
–80
–85
–10
–20
–30
–40
–50
–60
–70
–80
–85
15
10
15
10
–100
–120
–140
–160
0
0
–20
–40
–60
–80
MHz, PFD = 4.9152 MHz, Power = 12.5 dBm, PA Bias = Max
REF LVL
15dBm
CENTER 868.944489MHz
REF LVL
15dBm
START 856.5MHz
1MAX
1MAX
0
1.0k
Figure 18. Spurious Components—Meets ETSI Specs
1 [T1]
2 [T1]
2
869.20000000MHz
868.96673347MHz
869.025050100MHz
3
869.20000000MHz
10.0k
40.44dBm
–40.44dBm
F
8.02dBm
12.55dBm
DEVIATION
PHASE NOISE (Hz)
D2 –36dBm
2.5MHz/
CP
60kHz/
1
= ±19.2 kHz
= 2.5 mA, I
100.0k
2
RBW
VBW
SWT
RBW
VBW
SWT
1 [T1]
2 [T1]
3 [T1]
10kHz
10kHz
15ms
FREQUENCY = 251.3 kHz
LEVEL = –99.39dBc/Hz
2kHz
2kHz
D2 –36dBm
D1 –54dBm
VCO
16s
= NORMAL
869.02505010MHz
859.16695500MHz
862.00000000MHz
= 1.44 mA, RF
RF ATT
MIXER
UNIT
RF ATT
MIXER
UNIT
STOP 881.5MHz
1.0M
SPAN 600kHz
–57.89dBm
–81.97dBm
12.55dBm
–20dBm
–20dBm
1
30dB
30dB
dBm
dBm
OUT
10.0M
LN
1MA
LN
1MA
= 868.95
A
A
Rev. 0 | Page 10 of 28
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–40
–50
–60
–70
–80
–85
15
10
Figure 19. Harmonic Response, RF
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–30
–40
–50
–60
–70
–80
–85
0
15
10
Figure 20. Harmonic Response, Fifth-Order Chebyshev Filter
0
REF LVL
15dBm
START 3.8GHz
REF LVL
15dBm
CENTER 3.8GHz
1MAX
1
1 [T1]
2 [T1]
1MAX
D2 –30dBm
1
2
2
869.33867735MHz
869.33867735MHz
869.33867735MHz
1.72865731GHz
3
3
12.27dBm
–4.00dBm
10.39dBm
12.27dBm
640MHz/
640MHz/
4
RBW
VBW
SWT
3 [T1]
4 [T1]
RBW
VBW
SWT
OUT
1 [T1]
3 [T1]
2 [T1]
Matched to 50 Ω, No Filter
10ms
1kHz
1kHz
1MHz
1MHz
16ms
2.59699399GHz
3.46913828GHz
869.33867735MHz
1.72000000GHz
2.59600000GHz
RF ATT
MIXER
UNIT
–16.88dBm
–15.06dBm
D1 –30dBm
RF ATT
UNIT
SPAN 6.4GHz
SPAN 6.4GHz
–50.92dBm
–50.40dBm
10.39dBm
–20dBm
40dB
dBm
30dB
dBm
1MA
A
LN
1MA
A