RF2512 データシートの表示（PDF） - RF Micro Devices
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RF2512 Datasheet PDF : 14 Pages
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RF2512
11
Evaluation Board Schematic
H (915MHz) and M (868MHz) Boards
(Download Bill of Materials from www.rfmd.com.)
AUDIO
R7*
0Ω
R5*
0Ω
R6*
0Ω
C20
3-10 pF
D3*
D2*
X2*
C3
100 pF
C2*
100 pF
C1
100 pF
PLL ON
VCC
C4
10 nF
C5
22 pF
LVL ADJ
J1
RF OUT
50 Ω µstrip
C18
0.1 uF
C6
4 pF
L1
8.2 nH
C7
4 pF
C8
100 pF
VCC
C9
10 nF
C10
22 pF
X1
1
2
Ref
Select
3
4
Phase
5
Detector/
Charge Pump
6
Gain
7 Control
8
9
10
Prescaler
11
P1-1
P1
1 LVL ADJ P2-1
P2
1 PRESC OUT P3-1
2 GND
2 GND
P1-3 3 PLL ON P2-3 3 TX EN
CON3
CON3
P3-3
P3
1 AUDIO P4-1
P4
1 DIV 64
2 GND
2 GND
3 OSCSLT P4-3 3 MOD CTL
4 GND
CON3
P3-5 5 VCC
CON5
24
OSC SEL
23
L2
22
6.8 nH
21
D1
SMV
1233-011
20
C15
L3
19
3 pF 6.8 nH
R2
4.3 kΩ
C16
47 nF
C17
4.7 nF
R1
18
L4
C12
C13
C14
56 nH
10 nF
22 pF
4.7 µF
17
16
50 Ω µstrip
J2
MOD IN
15
DIV 64
14
MOD CTL
TX EN
PRESC OUT
R3*
TBD
12
13
C11
2512401A, 402B
0.1 µF
Board
M (868MHz)
H (915MHz)
X1 (MHz) X2 (MHz) R1 (kΩ)
13.57734 13.41015 1.2
7.15909 7.07549
2.2
L2 (nH)
6.8
4.7
L3 (nH)
6.8
4.7
11-20
Rev B9 010509
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