AK1545 Datasheet, PDF (36/39 Pages) Asahi Kasei Microsystems – 3.5GHz Low Noise Integer-N Frequency Synthesizer

[AK1545]
16. Typical Performance Characteristics
0
‐10
REFERENCE
‐20
LEVEL = -5.27dBm
‐30
‐40
‐50
‐60
VDD1 = 3V, VDD2 = 5V
Icp = 1mA
PFD FREQENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 10Hz
VIDEO BANDWIDTH = 10Hz
SWEEP = 0.19 SECONDS
AVERAGES = 26
-86.6dBc/Hz
‐70
‐80
‐90
‐100
- 2kHz
- 1kHz
2800-M1HkHzz
+1kHz
+2kHz
Fig. 15 AK1545 Phase Noise (2800 MHz, 1 MHz,
100 kHz)
0
‐10
REFERENCE
‐20
LEVEL = -6.29dBm
‐30
‐40
‐50
VDD1 = 3V, VDD2 = 5V
Icp = 1mA
PFD FREQENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 3kHz
VIDEO BANDWIDTH = 3kHz
SWEEP = 2.2 SECONDS
AVERAGES = 4
‐60
-84.3dBc
‐70
‐80
‐90
‐100
‐110
- 2MHz
- 1MHz 2800-M1HkHzz
+1MHz
+2MHz
Fig. 17 AK1545Reference Spurs (2800 MHz, 1 MHz,
100 kHz)
10dB/DIVISION
‐40
‐50
‐60
‐70
‐80
‐90
‐100
‐110
‐120
‐130
‐140
100Hz
RL = -40 dBc/Hz
VDRDM=S3VN(電OI池SE) = 1.253°
CPVDD=5V(5052B)
Icp=1mA
REF IN=100MHz
PDF=¹2^.25⁵kH°z^rms
LF帯域=3kHz
FREQUENCY OFFSET FROM 2.8GHz CARRIER
1MHz
Fig. 16 AK1545 Integrated Phase Noise (2800 MHz,
1 MHz, 100 kHz)
MS1471-E-00
36
2012/10