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STW82102B Datenblatt(PDF) 57 Page - STMicroelectronics

Teilenummer STW82102B
Bauteilbeschribung  RF down converter with embedded integer-N synthesizer
PDF  67 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW82102B Datenblatt(HTML) 57 Page - STMicroelectronics

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STW82102B
Application information
Doc ID 018516 Rev 2
57/67
11.2
Standard Mode Operation
The STW82102B can be used in Standard Mode for both RX path and TX observation path
(RX Chain ON and Synthesizer ON).
In such a case the 10-bit internal DAC can drive an external PIN diode attenuator in order to
calibrate the signal level at the input of the device.
Figure 26.
Standard mode operation
RF_IN2
I_PINDRV1
I_PINDRV2
RF_IN
RF_VSS
RF_CT
MIXDRV_CT
DAC
MIX
DIV2
STW82102B
RF_IN
DRV
5V
IF AMP
DBUS
VCO
CAL_VCO
BUF
DBUS_SEL
SDA/DATA
SCL/CLK
LOAD
LOCK_DET
4:1
IF_OUT
50
Ω
5V
REXT_CP
calibrator
REF_CLK
CHP
PFD
UP
DN
PLL
ICP
VCO
CAL_VCO
VCTRL
BUFF
IF_OUTP
IF_OUTN



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