SA910 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
SA910 Datasheet PDF : 13 Pages
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Philips Semiconductors
Variable gain RF predriver amplifier
Product specification
SA910
VCC1
VREF
VC
VCC1
C28
0.1uF
C23
0.001uF
C27
0.001uF
VCC1
VREF
OUTLPF
R15 1K
RFIN
RFin
0 OHM RESI GND
SA 910
C13 0.
1000pf
C14
0.1uF
4.7 uF
VC
VCCBIAS
ON–CHIP
BIAS
EXTERNAL
AMP
BIAS
130
PSENSE
R19 10K
C15
0.001uF
0 OHM RES
RFOUT1
GND
L3 1.8nH
C21 C26
0.1uF 0.001uF
RFOUT2
L1 33nH
C20
C25
0.001uF 0.1uF
VCC2
BIASOUT
C7 6.8pF
OFFSET R17 10K
C24
PWRUP 0.001uF
ATTENUATOR/
L4 3.9nH
L2 5.6nH C6 3.3pF
SPLITTER
RFout
C24
0.001uF
VPWRUP
BLOCK DIAGRAM
VCC1
VREF
OUTLPF
RFIN
GND
VC
VCC BIAS
R3 68
R4
100
R8 16.9
R5 100
R9 18
R10 18
TO PSENSE
RFOUT
ATTENUATOR/SPLITTER
NETWORK
Figure 3. Test Circuit Used In Characterizing SA910
SR01548
A1
ON-CHIP
BIAS
A2
EXTERNAL
AMP BIAS
Figure 4. Block Diagram
PSENSE
RFOUT1
RFOUT2
GND
BIASOUT
OFFSET
PWRUP
SR01068
1997 Aug 12
5
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