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STW81101 Datasheet(PDF) 13 Page - STMicroelectronics

Part # STW81101
Description  Multi-band RF frequency synthesizer with integrated VCOs
PDF  48 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW81101 Datasheet(HTML) 13 Page - STMicroelectronics

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STW81101
Electrical specifications
13/48
An evaluation kit is available upon request, including a powerful simulation tool
(STWPLLSim) that allows a very accurate estimation of the device’s phase noise according
to the desired project parameters (VCO frequency, selected output stage, reference clock,
frequency step, and so on); refer to
Chapter 8: Application information for more details.
VCO A with divider by 2 (1650MHz-1950MHz) – open loop(3)
Phase noise @ 1 kHz
-62
dBc/Hz
Phase noise @ 10 kHz
-89
dBc/Hz
Phase noise @ 100 kHz
-112
dBc/Hz
Phase noise @ 1 MHz
-135
dBc/Hz
Phase noise @ 10 MHz
-151.5
dBc/Hz
Phase noise floor @ 40 MHz
-155
dBc/Hz
VCO B with divider by 2 (1900MHz-2200MHz) – open loop(3)
Phase noise @ 1 kHz
-61
dBc/Hz
Phase noise @ 10 kHz
-89
dBc/Hz
Phase noise @ 100 kHz
-112
dBc/Hz
Phase noise @ 1 MHz
-134
dBc/Hz
Phase noise @ 10 MHz
-151.5
dBc/Hz
Phase noise floor @ 40 MHz
-155
dBc/Hz
VCO A with divider by 4 (825MHz-975MHz) – open loop(3)
Phase noise @ 1 kHz
-68
dBc/Hz
Phase noise @ 10 kHz
-95
dBc/Hz
Phase noise @ 100 kHz
-118
dBc/Hz
Phase noise @ 1 MHz
-141
dBc/Hz
Phase noise @ 10 MHz
-154
dBc/Hz
Phase noise floor @ 40 MHz
-155
dBc/Hz
VCO B with divider by 4 (950MHz-1100MHz) – open loop(3)
Phase noise @ 1 kHz
-67
dBc/Hz
Phase noise @ 10 kHz
-95
dBc/Hz
Phase noise @ 100 kHz
-118
dBc/Hz
Phase noise @ 1 MHz
-140
dBc/Hz
Phase noise @ 10 MHz
-154
dBc/Hz
Phase noise floor @ 40 MHz
-155
dBc/Hz
1.
Phase noise SSB.
VCO amplitude setting to value [11].
All the closed-loop performances are specified using a reference clock signal at 76.8 MHz with phase noise of
-135dBc/Hz @1kHz offset, -145dBc/Hz @10kHz offset and -149.5dBc/Hz of noise floor.
2.
Normalized PN = Measured PN – 20log(N) – 10log(FPFD) where N is the VCO divider ratio (N=B*P+A) and FPFD is the
comparison frequency at the PFD input
3.
Typical Phase Noise at centre band frequency
Table 6.
Phase noise specification (continued)
Parameter
Test conditions
Min
Typ
Max
Unit



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