Fujitsu MB15F74UV User Manual

20

■

■

■

■

 (

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

∗