RF2449 Ver la hoja de datos (PDF) - RF Micro Devices
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Lista de partido
RF2449 Datasheet PDF : 14 Pages
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Preliminary
RF2449
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1
1 IP SET P2-1
P2
1 LNA GAIN
2 GND
2 GND
P1-3 3 ENABLE P2-3 3 IF SEL
CON3
CON3
P3-3
C20
22 pF
P3
1 NC
2 GND
3 MIX GAIN
CON3
P4-1
P4
1 VCC1
2 GND
P4-3 3 VCC2
CON3
313 ps Electrical Delay @ 880 MHz
0.09 dB Line Loss
J6
LO IN
50 Ω µstrip
R6
56 Ω
50 Ω µstrip
C19
100 pF
L8
220 nH
C12
100 pF
C13
1 nF
VCC2
VCC1
ENABLE
IP SET
IF SEL
LNA GAIN
MIX GAIN
440 ps Electrical Delay @ 880 MHz
0.14 dB Line Loss
J1
LNA IN
50 Ω µstrip
L1
6.8 nH
L2
C1
30 nH 33 nF
50 Ω µstrip
50 Ω µstrip
VCC1
410 ps Electrical Delay @ 880 MHz
0.13 dB Line Loss
J2
LNA OUT
50 Ω µstrip
VCC2
C4
1 nF
C2
1 nF
C3
100 pF
C6
3.0 pF
L3
6.8 nH
C5
100 pF
50 Ω µstrip
R1
510 Ω
R2
22 kΩ
NOTE: LE
Microstrip Inductor, ZO = 50 Ω, L = 100 mils
For IF Freq. = 85 MHz
C14, C15, C5, C6 = 8 pF
L6 and L8 = 470 nH
C7 and C13 = 15 pF
1
2
3
4
5
6
7
*8
9
10
11
R3
33 kΩ
12
2449400A
24
50 Ω µstrip
C14
23
50 Ω µstrip
8 pF
22
50 Ω µstrip
21
C15
50 Ω µstrip
5 pF
20
L9
R5
C16
470 nH
5.6 kΩ 5 pF
19
50 Ω µstrip
18
C18
C7
17
100 pF
5 pF
50 Ω µstrip
L7
R4
16
50 Ω µstrip 470 nH 5.6 kΩ
15
14
13
L4
1.5 nH
50 Ω µstrip
C8
5 pF
C9
8 pF
50 Ω µstrip
50 Ω µstrip
268 ps Electrical Delay @ 110 MHz
0.025 dB Line Loss
J5
50 Ω µstrip
IF2 OUT
268 ps Electrical Delay @ 110 MHz
0.025 dB Line Loss
J4
50 Ω µstrip
IF1 OUT
50 Ω µstrip
C17
33 nF
L6
220 nH
C10
100 pF
C11
1 nF
50 Ω µstrip
L5
22 nH
50 Ω µstrip
VCC1
J3
MIXER IN
290 ps Electrical Delay @ 880 MHz
0.07 dB Line Loss
8
Rev A4 001016
8-81
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