MB15F74UV
20
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■
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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 k
Ω
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
K
V
=
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
∗