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STA011 Arkusz danych(PDF) 14 Page - STMicroelectronics

Numer części STA011
Szczegółowy opis  L-band RF front-end for digital radio
PDF  38 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA011 Arkusz danych(HTML) 14 Page - STMicroelectronics

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Electrical specifications
STA011
14/38
Nprog1
RF PLL selectable
division ratios
From REF1 to LO1,
fcomp=3.68MHz
360.75
(363.625
1st used)
376.5
(373.75
last used)
Nprog2
IF PLL selectable
division ratios
fcomp=113.23KHz
987
1034
1081
NREF1
REF1 division ratio
Programmable via software
mode
14
16
NREF2
REF2 division ratio
Programmable via software
mode
130
Table 11.
PLLs, Synthesizers, (Tamb = 25°C, VP-VN = 3V) (continued)
Symbol
Parameter
Test conditions/notes
Min.
Typ.
Max.
Unit
Table 12.
RF VCO, (Tamb = 25°C°C, VP-VN = 3V)
Symbol
Parameter
Test conditions/notes
Min.
Typ.
Max.
Unit
fosc
VCO frequency
oscillation
2676.28
2750.8
MHz
FLO1_1
LO1 frequency range
after divider by 2, by using
14.72MHz crystal
1338.14
1375.4
MHz
FLO1_2
LO1 frequency range
after divider by 2, by using
14.725MHz crystal
1338.134375 to 1375.407031
MHz
VFLT1
Freq control voltage
range
FLT1 pin
VN+0.2
VP-0.2
V
Table 13.
IF VCO, (Tamb = 25°C, VP-VN = 3V)
Symbol
Parameter
Test conditions/notes
Min.
Typ.
Max.
Unit
fosc
VCO frequency
oscillation
894.08
936.64
979.2
MHz
fLO2_1
LO2 frequency range
after divider by 8, by using
14.72MHz crystal
111.76
117.08
122.4
MHz
fLO2_2
LO2 frequency range
after divider by 8, by using
14.725MHz crystal
111.8
117.12
122.44
MHz
VFLT2
Frequency control
voltage range
FLT2 pin
VN+0.2
VP-0.2
V
Table 14.
Digital interface to MP (SCL,SDA,TLCK), ENRFOSC and XOSEL interface
(Tamb = 25°C, VP-VN = 3V)
Symbol
Parameter
Test conditions/notes
Min.
Typ.
Max.
Unit
Input parameters (SCL, SDA, ENRFOSC, XOSEL)
VIH
Digital input signals
High
VP-.7
VP
V
VIL
Low
VN
VN+.7
V
Tt
Input edge transition
0.1
µs/V
Rin
Input resistance
10
M
Ω



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