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MB15F74UV
20
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REFERENCE INFORMATION
(for Lock-up Time, Phase Noise and Reference Leakage)
(Continued)
Test Circuit
S.G.
OSC
IN
fin
Do
LPF
VCO
Spectrum
Analyzer
7.5 k
Ω
1.6 kΩ
0.1
F
0.01
F
3300 pF
V
CC = 3.0 V
Ta = + 25 °C
CP : 6 mA mode
f
VCO = 2113.6 MHz
KV = 50 MHz/V
fr = 50 kHz
f
OSC = 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
∗