RF2461PCBA-41X Ver la hoja de datos (PDF) - RF Micro Devices
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RF2461PCBA-41X Datasheet PDF : 14 Pages
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RF2461
Evaluation Board Schematic - CDMA
LO@965MHz, RF@880MHz, IF@85MHz
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1
1 MIX GAIN
2 GND
P1-3
3 LNA GAIN
CON3
ENABLE
IP SET
IF SEL
P2-1
P2
1 IF SEL
P2-2
2 IP SET
P2-3
3 ENABLE
CON3
P3-1
P3
1 VCC1
2 GND
P3-3
3 VCC2
CON3
LNA GAIN
447 pS Electrical Delay
0.13 dB Line Loss
J1
LO IN
R6
56 Ω
50 Ω μstrip
20
19
18
17
16
1
15
C16
100 pF
L8
390 nH
C15
100 pF
VCC2
VCC1
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
C14
10 pF
348 pS Electrical Delay @ 110 MHz
0.03 dB Line Loss
J6
50 Ω μstrip
IF2 OUT
50 Ω μstrip
L9
R5
470 nH 10 kΩ
C13
11 pF
MIX GAIN
329 pS Electrical Delay
2
14
0.10 dB Line Loss
J2
LNA IN
50 Ω μstrip
L1
4.3 nH
50 Ω μstrip
L2
16 nH
C1
33 nF
50 Ω μstrip
3
13
4
12
VCC1
C2
100 pF
50 Ω μstrip
5
11
L=130 mils
W=12 mils
Z0=50 Ω
6
7
8
9
10
50 Ω μstrip
C12
11 pF
BYPASS
C11
100 pF
50 Ω μstrip
L6
R4
470 nH 10 kΩ
C10
11 pF
VCC1
498 pS Electrical Delay
0.15 dB Line Loss
J3
LNA OUT
50 Ω μstrip
R14
51 Ω
Note: R14 improves NF and IIP3 for VCC = 3.0 V
C3
0.1 μF
C4
100 pF
L3
7.5 nH
R1
620 Ω
R2 R3 L4
18 kΩ 47 kΩ 3.3 nH
50 Ω μstrip
C5
4 pF
50 Ω μstrip
50 Ω μstrip
C6
33 nF
C9
11 pF
50 Ω μstrip
50 Ω μstrip
L7
390 nH
C8
10 pF
348 pS Electrical Delay @ 110 MHz
0.03 dB Line Loss
J5
50 Ω μstrip
IF1 OUT
VCC1
50 Ω μstrip
L5
47 nH
C7
100 pF
320 pS Electrical Delay @ 880 MHz
0.10 dB Line Loss
J4
MIXER IN
Rev B6 DS060925
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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