參數(shù)資料
型號(hào): RF2494
廠商: RF MICRO DEVICES INC
元件分類: 無(wú)繩電話/電話
英文描述: HIGH FREQUENCY LNA/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC16
封裝: 4 X 4 MM, QFN-16
文件頁(yè)數(shù): 6/14頁(yè)
文件大?。?/td> 233K
代理商: RF2494
Preliminary
8-58
RF2494
Rev A0 010730
8
F
Evaluation Board S chematic
(Download Bill of Materials from www.rfmd.com.)
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
11
Bias
Circuits
LNA
RF AMP
PD
C19
22 pF
C4
10 nF
VCC1, VCC2
L2
120 nH
R1
2.2 k
C11
0.5 pF
C12
0.5 pF
L1
100 nH
C6
10 nF
C15
22 pF
50
μ
strip
J3
IF OUT
L3
8.2 nH
C16
1 pF
50
μ
strip
C18
10 nF
50
μ
strip
J5
LO IN
RX EN
VCC3
C21
22 pF
C7
10 nF
C17
10 nF
L5
1.8 nH
C2
0.5 pF
50
μ
strip
R3
0
R5*
0
50
μ
strip
J4
MIX IN
IN
GND
OUT
FL1
R2
0
R4*
0
50
μ
strip
J2
LNA OUT
50
μ
strip
C10
1.5 pF
C5
10 nF
R6
10
VCC4
GS
C9
10 nF
C8
2 pF
L6
4.7 nH
50
μ
strip
J1
LNA IN
2494400-
P1
1
2
3
CON3
GND
P1-3
PD
VCC1, VCC2
P1-1
C3
10 nF
P2
1
2
3
CON3
GND
P2-1
GS
P2-3
C20
10 nF
VCC4
P3
1
2
3
CON3
GND
P3-1
VCC3
P3-3
RX EN
* For cascaded configuration,
jumpers R2 and R3 need to be
installed with R4 and R5 taken out.
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