RF2945PCBA-L View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2945PCBA-L' PDF : 24 Pages View PDF
RF2945
Evaluation Board Schematic - 915MHz
(Download Bill of Materials from www.rfmd.com.)
11
J1
RX OUT
P2-1
P3-3
P3-2
J2
RF
VCC
R2
10 Ω
C3
0.1 uF
C4
22 pF
R1
10 Ω
C2
0.1 uF
C1
22 pF
PLL LOOP BW ~5 kHz
R13
1.2k Ω
C42 0.1 uF
LVL ADJ
RX ENABL
C50
22 pF
C49
TBD
VCC
R4
100 Ω C81 4.7 uF
L3 C18 0.1 uF
8.2 nH
R14
10 kΩ
32 31 30 29 28 27 26 25
TX ENABL
L1
8.2 nH
C9
5 pF
R80
0Ω
C8
5 pF
C6
22 pF
50 Ω µstrip
C30*
5 pF
VCC R7
10 Ω
C23 C22
0.1 µf 22 pF
C7
22 pF
L4
12 nH
R6*
N/C
1
Control
Logic
2
PA
Gain
Control
3
4
5
LNA
6
7
8
Linear
RSSI
D1
C17 22 pF
SMV1233
-011
C16
2 pF
24
L2
8.2 nH
R87*
0Ω
C58*
10 nF
L7*
TBD
23
C19
2.2 nF
22
C51*
21
CAPVAR
J4
R88
MOD INVPLL
0Ω
L8 C31
4.7 39
uH pF
R5*
4.3
kΩ
U4
CDF
107B-
A0-001
10.7 MHz
C43
.01 uF
20 C15
10 nF
19
C20
P6
10 nF
DB9
18
C14
17 10 nF
VCC1
R9
10 Ω
C21
10 pF
L5
6.8 uH
9 10 11 12 13
C10
10nF
C26
C25 R8 C24 R83
0.1 uF 22 pF 8.2 kΩ 11 pF 0 Ω
C55*
100 pF
R84
F1
0Ω
SFE10.7MA21
14 15 16
BW=400 kHz
10.7 MHz
F2
R86 SFE10.7MA21
0Ω
R85
0Ω
C12 C13
10nF 10nF
RSSI
C54*
100 pF
R3
51 kΩ
C11
10 pF
C53*
330 pF
L10*
680 nH
C52*
100 pF
R81*
560 Ω
C27*
2945400B
P3
R82*
560 Ω
L11* C56*
C57*
680 nH 330 pF 100 pF
10 nF
1
1
R12
100 Ω
2
C47
6.8nF
3
C41 4
100 pF
5
6
R60
0Ω
7
8
C34
1 nF
C44
22 pF
R30
51 Ω
GND
FLD
CPD
GND
GND
fNb
fIN
Vcc1
OSCin
P1-1
P1-3
LMX2316
VPLL
Vp 16
Vcc2 15
C32
22 pF
FD/LD 14
LE 13
DATA 12
CLK 11
CE 10
GND 9
J5
REF OSC
R27
12 kΩ
R28
12 kΩ
R29
12 kΩ
R24 R25 R26
27 kΩ 27 kΩ 27 kΩ
P1
1
VCC (RF2945)
2 GND
3
VPLL (LMX2315)
C33
0.1 uF
C28*
120 pF
L6*
2.2 uH
P3-2 2 TX ENABL
P2
P3-3 3 RX ENABL P2-1 1 LVL ADJ
P4
* Denotes components that are normally depopulated.
J3
MIX OUT
P3-4 4 NC
P3-5 5 NC
2 GND P4-1 1 RSSI
P2-3 3 NC
2 GND
11-228
Rev A10 000919
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