adf7012 Analog Devices, Inc., adf7012 Datasheet - Page 11

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

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