參數(shù)資料
型號(hào): SA910
廠商: NXP SEMICONDUCTORS
元件分類: 無(wú)繩電話/電話
英文描述: Variable gain RF predriver amplifier
中文描述: TELECOM, CELLULAR, RF FRONT END CIRCUIT, PDSO20
封裝: 4.40 MM, PLASTIC, SOT-266-1, SSOP-20
文件頁(yè)數(shù): 5/13頁(yè)
文件大?。?/td> 114K
代理商: SA910
Philips Semiconductors
Product specification
SA910
Variable gain RF predriver amplifier
1997 Aug 12
5
C13 0.
1000pf
SR01548
SA910
OBIAS
EXAMP
BIAS
PSENSE
RFOUT1
GND
RFOUT2
BIASOUT
OFFSET
PWRUP
VCC1
VREF
OUTLPF
RFIN
GND
VC
VCCBIAS
VCC1
C28
0.1uF
C23
VREF
C27
VCC1
C14
R15 1K
VPWRUP
C24
C21
C26
L3 1.8nH
C20
C25
L1 33nH
C6 3.3pF
L4 3.9nH
L2 5.6nH
C7 6.8pF
VCC2
R3 68
R4
R8 16.9
R5 100
R9 18
R10 18
ATTENUATOR/SPLITTER
ATTENUATOR/
SPLITTER
0 OHM RES
RFout
130
4.7 uF
0 OHM RESI
VC
R19 10K
C15
0.001uF
0.001uF
R17 10K
RFin
TO PSENSE
RFOUT
Figure 3. Test Circuit Used In Characterizing SA910
BLOCK DIAGRAM
SR01068
OFFSET
GND
RF
OUT
2
RF
OUT
1
A2
A1
V
CC
1
V
CC
BIAS
PWRUP
V
REF
P
SENSE
OUTLPF
BIAS
OUT
V
C
EXTERNAL
AMP BIAS
ON-CHIP
BIAS
GND
RF
IN
Figure 4. Block Diagram
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