STW81103 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STW81103' PDF : 53 Pages View PDF
STW81103
Electrical specifications
2.5
Phase noise specification
Table 6. Phase noise specification (1)
Parameter
Test conditions
Min.
Typ.
Max. Unit
In-band phase noise floor – closed loop(2)
Normalized inband phase noise
floor
Inband phase noise floor
direct output
Inband phase noise floor
divider by 2
Inband phase noise floor
divider by 4
-222
dBc/Hz
ICP=4 mA, PLL BW=50 kHz;
including reference clock contribution
-222+20log(N)+10log(FPFD)
-228+20log(N)+10log(FPFD)
dBc/Hz
dBc/Hz
-234+20log(N)+10log(FPFD) dBc/Hz
PLL integrated phase noise – direct output
Integrated phase noise
100 Hz to 40 MHz
FOUT=4.675 GHz,
FPFD=200 kHz, FSTEP=200 kHz,
PLL BW = 15 kHz, ICP=3 mA
-34.6
1.5
dBc
° rms
PLL integrated phase noise – divider by 2
Integrated phase noise
100 Hz to 40 MHz
FOUT=2.3376 GHz,
FPFD=400 kHz, FSTEP=200 kHz,
PLL BW=25 kHz, ICP=2 mA
PLL integrated phase noise – divider by 4
-42.6
0.6
dBc
° rms
Integrated phase noise
100 Hz to 40 MHz
FOUT=1.1688 GHz,
FPFD=800 kHz, FSTEP=200 kHz,
PLL BW=35 kHz, ICP=1.5 mA
VCO A direct (2500 MHz-3050 MHz) – open loop(3)
Phase noise @ 1 kHz
Phase noise @ 10 kHz
Phase noise @ 100 kHz
Phase noise @ 1 MHz
Phase noise @ 10 MHz
Phase noise @ 40 MHz
VCO B direct (4350 MHz-5000 MHz) – open loop(3)
Phase noise @ 1 kHz
Phase noise @ 10 kHz
Phase noise @ 100 kHz
Phase noise @ 1 MHz
Phase noise @ 10 MHz
Phase noise @ 40 MHz
-49.5
0.27
-59
-87
-109
-131
-151
-161
-54
-82
-105
-127
-147
-157
dBc
° rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
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