Reference information, Mb15f74ul, For lock – FUJITSU MB15F74UL User Manual
Page 21: Up time, Phase noise and reference leakage
MB15F74UL
21
■
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
2.7 k
Ω
15000 pF
1500 pF
330 pF
V
CC
=
3.0 V
Ta
=
+
25
°
C
CP : 6 mA mode
f
VCO
=
2500 MHz
K
V
=
50 MHz/V
fr
=
200 kHz
f
OSC
=
13 MHz
LPF
To VCO
• PLL Reference Leakage
• PLL Phase Noise
ATTEN 10 dB
RL 0 dBm
CENTER 2.500000 GHz
RBW 3.0 kHz
VBW 3.0 kHz
SPAN 1.000 MHz
SWP 280 ms
∆
MKR
−
70.00 dB
200 kHz
10 dB/
∆
MKR
200 kHz
−
70.00 dB
∗
D
S
ATTEN 10 dB
RL 0 dBm
CENTER 2.50000000 GHz
RBW 30 Hz
VBW 30 Hz
SPAN 10.00 kHz
SWP 1.92 s
∆
MKR
−
69.01 dB
1.00 kHz
10 dB/
∗
∆
MKR
1.00 kHz
−
69.01 dB/Hz
D
S