RF2494 RF Micro Devices, RF2494 Datasheet - Page 6

• Manufacturer Part Number: RF2494
• Description: HIGH FREQUENCY LNA/MIXER
• Manufacturer: RF Micro Devices

8
8-58
VCC1, VCC2
RF2494
LNA IN
IF OUT
J3
J1
P1-1
PD
10 nF
0.5 pF
0.5 pF
50
50
P1-3
C3
C11
C12
strip
strip
CON3
P1
2.2 k
1
2
3
10 nF
10 nF
100 nH
R1
C4
C6
4.7 nH
L1
L6
VCC1, VCC2
GND
PD
120 nH
22 pF
22 pF
C19
C15
L2
2 pF
C8
(Download Bill of Materials from www.rfmd.com.)
2494400-
Evaluation Board Schematic
P2-3
50
1
2
3
4
1 pF
C16
10 nF
strip
16
Circuits
C9
5
Bias
10 nF
C20
P2-1
8.2 nH
GS
15
6
L3
10 nF
C18
LNA
CON3
VCC4
P2
14
7
1
2
3
RF AMP
10
R6
10 nF
C5
GS
GND
VCC4
13
8
22 pF
C21
12
11
10
9
10 nF
P3-1
P3-3
C17
10 nF
1.8 nH
C7
L5
CON3
P3
1
2
3
1.5 pF
0.5 pF
C10
C2
VCC3
GND
RX EN
50
50
* For cascaded configuration,
strip
strip
jumpers R2 and R3 need to be
installed with R4 and R5 taken out.
0
0
R2
R3
GND
OUT
IN
FL1
R4*
0
R5*
0
Preliminary
50
50
50
strip
strip
strip
Rev A0 010730
LNA OUT
MIX IN
VCC3
RX EN
LO IN
J5
J4
J2