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STW81103 Datasheet(PDF) 5 Page - STMicroelectronics

Part # STW81103
Description  Multi-band RF frequency synthesizer with integrated VCOs
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW81103 Datasheet(HTML) 5 Page - STMicroelectronics

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STW81103
List of figures
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List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
VCO A (direct output) open loop phase noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 4.
VCO B (direct output) open loop phase noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 5.
VCO A (direct output) closed loop phase noise at 2.775 GHz
(FSTEP=200 kHz; FPFD=200 kHz; ICP=2 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6.
VCO B (direct output) closed loop phase noise at 4.675 GHz
(FSTEP=200 kHz; FPFD=200 kHz; ICP=3 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 7.
VCO A (div. by 2 output) closed loop phase noise at 1.3876 GHz
(FSTEP=200 kHz; FPFD=400 kHz; ICP=1.5 mA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8.
VCO B (div. by 2 output) closed loop phase noise at 2.3376 GHz
(FSTEP=200 kHz; FPFD=400 kHz; ICP=2 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 9.
VCO A (div. by 4 output) closed loop phase noise at 693.8 MHz
(FSTEP=200 kHz; FPFD=800 kHz; ICP=1 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 10.
VCO B (div. by 4 output) closed loop phase noise at 1168.8 MHz
(FSTEP=200 kHz; FPFD=800 kHz; ICP=1.5 mA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 11.
PFD frequency spurs (direct output; FPFD=200 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 12.
PFD frequency spurs (div. by 2 output; FPFD=400 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 13.
PFD frequency spurs (div. by 4 output; FPFD=800 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 14.
Settling time (final frequency=2.4 GHz; FPFD=400 kHz; ICP=2.5 mA) . . . . . . . . . . . . . . . 17
Figure 15.
Reference frequency input buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 16.
VCO divider diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 17.
PFD diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 18.
Loop filter connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 19.
VCO sub-bands frequency characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 20.
Data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 21.
START and STOP conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 22.
Byte format and acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 23.
Data and clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 24.
Start and stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 25.
Ack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 26.
SPI input and output bit order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 27.
SPI timing specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 28.
Differential/single-ended output network (MATCH_LC_LUMP_4G_DIFF.dsn) . . . . . . . . . 41
Figure 29.
LC lumped balun and matching network (MATCH_LC_LUMP_4G.dsn) . . . . . . . . . . . . . . 42
Figure 30.
Evaluation board (EVB4G) matching network (MATCH_EVB4G.dsn) . . . . . . . . . . . . . . . . 43
Figure 31.
Differential/single-ended output network (MATCH_LC_LUMP_2G_DIFF.dsn) . . . . . . . . . 43
Figure 32.
LC lumped balun for divided by 2 output (MATCH_LC_LUMP_2G.dsn) . . . . . . . . . . . . . . 44
Figure 33.
Evaluation board (EVB2G) matching network (MATCH_EVB2G.dsn) . . . . . . . . . . . . . . . . 44
Figure 34.
LC lumped balun for divided by 4 output (MATCH_LC_LUMP_1G.dsn) . . . . . . . . . . . . . . 45
Figure 35.
Evaluation board (EVB1G) matching network (MATCH_EVB1G.dsn) . . . . . . . . . . . . . . . . 46
Figure 36.
Typical application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 37.
Ping-pong architecture diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 38.
Application diagram with external VCO (LO output from STW81103) . . . . . . . . . . . . . . . . 49
Figure 39.
Application diagram with external VCO (LO output from VCO) . . . . . . . . . . . . . . . . . . . . . 49
Figure 40.
VFQFPN28 mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50


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