MB15A01 Fujitsu Microelectronics, MB15A01 Datasheet - Page 16

• Manufacturer Part Number: MB15A01
• Description: Bi-cmos 1.1 GHZ PLL Frequency Synthesizer
• Manufacturer: Fujitsu Microelectronics

16
Typical plots measured with
the test circuit are shown below.
Each plots show lock up time,
phase noise, and reference
leakage.
REFERENCE INFORMATION
(824.010 MHz
(848.97 MHz
PLL Lock Up Time = 12 ms
PLL Lock Up Time = 12.4 ms
848.97 MHz, within 800 Hz)
824.019 MHz, within 800 Hz)
Spectrum
Analyzer
S.G.
Test Circuit
OSCin
fin
Do
VCO
LPF
@ within loop band = 78.9 dBc/Hz
@ 30kHz offset = 80.8 dBc
PLL Reference Leakage
47 nF
1.3 k
PLL Phase Noise
f
K
f
f
LPF
VCO
r
OSC
V
= 836.49 MHz
= 12 MHz/V
= 30 kHz
= 15.36 MHz
3.6 k
470 nF
2.2 k
MB15A01
47 nF