MB15U10 Datasheet, PDF (15/19 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer On-Chip 1.1 GHz Prescaler

MB15U10
s REFERENCE INFORMATION
Typical plots measured with
the test circuit are shown
below.
Each plots shows lock up time,
phase noise, and reference
leakage.
S.G.
Spectrum
Analyzer
Test Circuit
OSCin
Do
LPF
fin
VCO
• fVCO
• KV
• fr
• fOSC
• LPF
= 836.490 MHz
= 12 MHz/V
= 30 kHz
= 15.36 MHz
9.1 kΩ
0.033 µF
5.1 kΩ
0.33 µF
0.01 µF
PLL Lock Up Time = 11.0 ms
(824.01 MHz → 848.97 MHz, within ±800 Hz)
∆ Mkr x : 10.99990891 ms
y : 24.961502 MHz
A evts N/A
30.00150
MHz
PLL Lock Up Time = 10.6 ms
(848.97 MHz → 824.01 MHz, within ±800 Hz)
∆ Mkr x : 10.59999719 ms
y : –24.960989 MHz
A evts N/A
30.00150
MHz
500.0
Hz/div
29.99900
MHz
100.2131 µs
∆ Mkr x : 10.99990891 ms
y : 24.961502 MHz
50.00000
MHz
59.9002131 ms
A evts N/A
500.0
Hz/div
29.99900
MHz
100.1353 µs
∆ Mkr x : 10.59999719 ms
y : –24.960989 MHz
60.00000
MHz
59.9003853 ms
A evts N/A
10.00000
MHz/div
0
Hz
100.2131 µs
59.9002131 ms
10.00000
MHz/div
10.00000
MHz
100.1353 µs
59.9003853 ms
(Continued)
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