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STA011 Scheda tecnica(PDF) 28 Page - STMicroelectronics

Il numero della parte STA011
Spiegazioni elettronici  L-band RF front-end for digital radio
PDF  38 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA011 Scheda tecnica(HTML) 28 Page - STMicroelectronics

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Programming specifications
STA011
28/38
6.1.4
VCO enable
The internal RFVCO can also be enabled via hardware mode through the ENRFOSC pin.
With the ENRFOSC pin high the software mode is disabled and the RFVCO is turned ON;
with the ENRFOSC pin low the software mode is enabled, depending on the truth table
described above .
6.1.5
VCO output voltage
6.1.6
Charge pump current setting
Table 22.
VCO enable
D95
D94
Description
Notes
10
Internal RFVCO
Startup configuration
11
External RFLO
Table 23.
VCO output voltage
D93
D92
Description
Notes
00
Vout=1Vpp
Startup configuration
01
Vout=2Vpp
10
Vout=3Vpp
11
Vout=4Vpp
Table 24.
Charge pump current
D90
D89
D88
Description
Notes
00
0
ICP=300uA
…
…
…
…….
01
1
ICP=400uA
Startup configuration
.
…….
11
1
ICP=600uA



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