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STW81102 데이터시트(PDF) 40 Page - STMicroelectronics

부품명 STW81102
상세설명  Multi-band RF frequency synthesizer with integrated VCOs
PDF  43 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW81102 데이터시트(HTML) 40 Page - STMicroelectronics

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Application diagram
STW81102
40/43
8
Application diagram
Figure 36.
Application diagram
Note:
1
See Application Information (Section 7) for further information on Output Matching topology.
2
EXT_PD, ADD2, ADD1 (and ADD0 when I2C Bus is selected) can be hard wired directly on
the board.
3
Loop Filter values are for 200KHz frequency step.
VDD_VCOA
DBUS_SEL
VDD_DIV2
VDD_OUTBUF
OUTBUFP
OUTBUFN
VDD_DIV4
VDD_VCOB
VDD_BUFVCO
EXTVCO_INP
EXTVCO_INN
VDD_PLL
REF_CLK
TEST2
10µ
22p
1n
10µ
22p
1n
270p
68p
2.7n
10µ
22p
1n
51
1.8n
STW81102
From/to
µ– controller
to µ–controller
loop filter
VDD
1
RF Out
ref clk
VDD
1
VDD
1
VDD
1
VDD1
VDD
2
10µ
22p
1n
I2C
SPI
100
100
15p
15p
100
15p
4.7K
8.2K
2.2K
VDD_VCOA
DBUS_SEL
VDD_DIV2
VDD_OUTBUF
OUTBUFP
OUTBUFN
VDD_DIV4
VDD_VCOB
VDD_BUFVCO
EXTVCO_INP
EXTVCO_INN
VDD_PLL
REF_CLK
TEST2
10µ
22p
1n
10µ
22p
1n
270p
68p
2.7n
VDD_VCOA
DBUS_SEL
VDD_DIV2
VDD_OUTBUF
OUTBUFP
OUTBUFN
VDD_DIV4
VDD_VCOB
VDD_BUFVCO
EXTVCO_INP
EXTVCO_INN
VDD_PLL
REF_CLK
TEST2
10µ
22p
1n
10µ
22p
1n
270p
68p
2.7n
10µ
22p
1n
51
1.8n
STW81102
From/to
µ– controller
to µ–controller
loop filter
VDD
1
RF Out
ref clk
VDD
1
VDD
1
VDD
1
VDD1
VDD
2
10µ
22p
1n
I2C
SPI
100
100
15p
15p
100
15p
4.7K
8.2K
2.2K



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