MB15E03 Datasheet, PDF (18/22 Pages) Fujitsu Component Limited. – Single Serial Input PLL Frequency Synthesizer On-Chip 1.2 GHz Prescaler

MB15E03
s REFERENCE INFORMATION
Typical plots measured with the
test circuit are shown below.
Each plot shows lock up time,
phase noise and reference
leakage.
S.G
Spectrum
Analyzer
Test Circuit
OSCin
Do
LPF
fin
VCO
• fvco = 1018 MHz
• Kv = 20 MHz/v
• fr = 200 kHz
• fosc = 13 MHz
• LPF:
15 kΩ
2000 pF
2.2 kΩ
330 pF
20000 pF
PLL Lock Up Time = 440 µs
(1005.000 MHz → 1031.000 MHz, within ± 1kHz)
PLL Phase Noise
@ within loop band = 76.2 dBc/Hz
∆ MKr x : 439.89783 µs
y : 25.94979 MHz
30.00300
MHz
REF –10.0 dBm ATT 10 dB MKR ∆12.40 kHz
10dB/
–51.2 dB
1.000
kHz/div
29.99800
MHz
10.2702 µs
1.9902702 ms
RBW
300 Hz
VBW
300 Hz
SPAN 50.0 kHz CENTER 1.0180000 GHz
PLL Lock Up Time = 400 µs
(1031.000 MHz → 1005.000 MHz, within ± 1kHz)
PLL Reference Leakage
@ 200 kHz offset = 79.0 dBc
∆ MKr x : 400.00973 µs
y : –25.094747 MHz
30.00300
MHz
REF –10.0 dBm ATT 10 dB
10dB/
MKR ∆ 204 kHz
–79.0 dB
1.00
kHz/div
29.99800
MHz
10.1432 µs
18
1.9901432 ms
RBW
10 kHz
VBW
10 kHz
SPAN 1.00 MHz CENTER 1.01800 GHz