MB15E03SLPFV1-G-BND-6E1 Datasheet, PDF (20/32 Pages) Fujitsu Component Limited. – Single PLL Frequency Synthesizers with On-Chip Prescalers

MB15ExxSL Series
Reference Information: MB15E07SL
Test Circuit
S.G
OSCIN
fin
Do
fVCO = 810.45 MHz VCC =VP = 3.0 V
KV = 17 MHz/V
VVCO = 2.3 V
fr = 25 kHz
Ta = +25 °C
LPF
fOSC = 14.4 MHz CP : 6 mA mode
LPF
9.1 kΩ
Spectrum
Analyzer
VCO
4700 pF
4.2 kΩ
0.047 µF
1500 pF
Typical plots measured with the test circuit are shown below. The plots show lock up time, phase noise and reference leakage.
PLL Reference Leakage
@ 25 kHz offset = -78 dBc
REF –5.0 dBm
10 dB/
ATT 10 dB
MKR
25.0 kHz
–78.0 dB
PLL Phase Noise
@ max within loop band = -73.1 dBc/Hz
REF –5.0 dBm
10 dB/
ATT 10 dB
MKR
2.28 kHz
–53.1 dB
RBW
1 kHz
SAMPLE
VBW
1 kHz
-78.0 dBc
SWP 1.0 s
SPAN 200 kHz
CENTER 810.000 MHz
PLL Lock Up Time = 1.3 ms
(810.000 MHz → 826.000 MHz, within ± 1kHz)
826.004000 MHz
826.000000 MHz
RBW
100 Hz
SAMPLE
VBW
100 Hz
-73.1 dBc/Hz
SWP 10 s
SPAN 20.0 kHz
CENTER 810.000 MHz
PLL Lock Up Time = 1.28 ms
(826.000 MHz → 810.000 MHz, within ± 1kHz)
810.004000MHz
810.000000MHz
825.996000 MHz
500.0 µs/div
809.996000MHz
500.0 µs/div
Fujitsu Microelectronics, Inc. 19