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SA910 데이터 시트보기 (PDF) - Philips Electronics
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SA910
Variable gain RF predriver amplifier
Philips Electronics
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
V
CC
1
V
REF
OUTLPF
RF
IN
GND
V
C
V
CC
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
P
SENSE
RF
OUT
1
RF
OUT
2
GND
BIAS
OUT
OFFSET
PWRUP
SR01068
1997 Aug 12
5
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