MB15F74UV
20
REFERENCE INFORMATION

(for Lock-up Time, Phase Noise and Reference Leakage)

(Continued)
Test Circuit
S.G. OSCIN
fin
Do LPF
VCO
Spectrum
Analyzer
7.5 k
1.6 k
0.1 F
0.01 F3300 pF
VCC = 3.0 V
Ta = + 25 °C
CP : 6 mA mode
fVCO = 2113.6 MHz
KV = 50 MHz/V
fr = 50 kHz
fOSC = 19.2 MHz
LPF
To VCO

PLL Reference Leakage

PLL Phase Noise

ATTEN 10 dB
RL 0 dBm
CENTER 2.1136000 GHz
RBW 1.0 kHz VBW 1.0 kHz SPAN 200.0 kHz
SWP 500 ms
MKR 80.83 dB
50.0 kHz
VAVG 16
10 dB/
MKR
50.0 kHz
80.83 dB
ATTEN 10 dB
RL 0 dBm
CENTER 2.11360000 GHz
RBW 30 Hz VBW 30 Hz SPAN 10.00 kHz
SWP 1.92 s
MKR 65.34 dB/Hz
1.00 kHz
VAVG 16
10 dB/
MKR
1.00 kHz
65.34 dB/Hz