MB15C103 Datasheet, PDF (11/16 Pages) Fujitsu Component Limited. – IF Band PLL Frequency Synthesizer

MB15C103
s REFERENCE INFORMATION
1. Application Measurement
Test results
Lock up time Unlock --> Lock
±1kHz
Power on --> Lock
Reference leakage(∆f = 400kHz)
Phase noise (∆f = 1 kHz)
(∆f = 10 kHz)
(∆f = 100 kHz)
(∆f = 1 MHz)
VCC (V)
VCO
Results
350 µs
2.15 ms
89.2 dBc
97.1 dBc/Hz
99.8 dBc/Hz
119.0 dBc/Hz
130.1 dBc/Hz
3.0 V
Discrete VCO (Kv = 8.2MHz/V)
Lock Frequency = 178.0MHz (fr=400kHz)
Measurement circuits
S.G.
VCC = 3.0 V
1000 pF
fin
MB15C103
1000 pF _OSCIN
50 Ω
Loop Filter
18 Ω
18 Ω
18 Ω
Spectrum
Analyzer
R1
C1
R2
VCO
C3
C1 = 5600 pF
C2 = 0.047µF
C2
C3 = 120 pF
R1 = 2.2 kΩ
R2 = 620 Ω
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