參數(shù)資料
型號: RF2512
廠商: RF MICRO DEVICES INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: UHF TRANSMITTER
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO24
封裝: PLASTIC, SSOP-24
文件頁數(shù): 10/14頁
文件大?。?/td> 313K
代理商: RF2512
11-20
RF2512
Rev B9 010509
11
T
Evaluation Board S chematic
H (915 MHz) and M (868 MHz) Boards
(Download Bill of Materials from www.rfmd.com.)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Phase
Detector/
Charge Pump
Prescaler
Ref
Select
Gain
Control
C3
100 pF
C1
100 pF
C2*
100 pF
X1
X2*
R5*
0
PLL ON
VCC
C8
100 pF
C7
4 pF
L1
8.2 nH
C6
4 pF
C18
0.1 uF
50
μ
strip
J1
RF OUT
LVL ADJ
C4
10 nF
C5
22 pF
VCC
C9
10 nF
C10
22 pF
TX EN
R3*
TBD
PRESC OUT
D1
SMV
1233-011
C15
3 pF
L2
6.8 nH
L3
6.8 nH
L4
56 nH
R2
4.3 k
C12
10 nF
C13
22 pF
C14
4.7
μ
F
C16
47 nF
C17
4.7 nF
R1
OSC SEL
MOD CTL
DIV 64
50
μ
strip
J2
MOD IN
C11
0.1
μ
F
2512401A, 402B
M (868MHz)
H (915MHz)
Board
13.57734
7.15909
X1 (MHz)
13.41015
7.07549
X2 (MHz)
6.8
4.7
L2 (nH)
1.2
2.2
R1 (k
)
6.8
4.7
L3 (nH)
1
2
3
P4
CON3
P4-1
DIV 64
GND
P4-3
MOD CTL
P2-1
PRESC OUT
GND
P2-3
TX EN
1
2
3
P2
CON3
P1
1
2
3
CON3
P1-3
PLL ON
GND
P1-1
LVL ADJ
D2*
D3*
R7*
0
AUDIO
P3-1
AUDIO
GND
P3-3
OSCSLT
GND
P3-5
VCC
1
2
3
4
5
P3
CON5
C20
3-10 pF
R6*
0
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