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參數(shù)資料
| 型號(hào)： | RO2174A |
| 廠商： | RF MONOLITHICS INC |
| 元件分類： | SAW諧振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 431 MHz |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 203K |
| 代理商： | RO2174A |
Electrical Connections
This one-port, two-terminal SAW resonator is bidirec-
tional. The terminals are interchangeable with the excep-
tion of circuit board layout.
Typical Test Circuit
Typical Application Circuits
Temperature Characteristics
Equivalent LC Model
The following equivalent LC model is valid near reso-
nance:
Case Design
Pin
Connection
1
Input or Output
2
Output or Input
3
Case Ground
Network
Analyzer
Network
Analyzer
Electrical Test:
1
2
3
To
50
Source at
F
C
Low-Loss
Matching
Network
50
to
Power Test:
P
INCIDENT
CW RF Power Dissipation =
-
REFLECTED
P
MPS-H10
+9VDC
47
RF Bypass
L1
C1
C2
200
Modulation
Input
ROXXXX
Bottom View
470
Typical Low-Power Transmitter Application:
1
2
3
+VDC
RF Bypass
L1
C2
ROXXXX
Bottom View
Typical Local Oscillator Application:
1
2
3
Output
+VDC
C1
0.5 pF*
0.25 pF*
Cp
Co=
-
*Case Parasitics
Rm
Lm
Cm
0.5 pF*
C p
1
2
3
B
45°
J
(2 places)
D
(3 places)
H
G
E
F
C
A
The curve shown on the right accounts for resonator con-
tribution only and does not include LC component tem-
perature contributions.
Dimensions
Millimeters
Inches
Min
Max
Min
Max
A
9.30
0.366
B
3.18
0.125
C
2.50
3.50
0.098
0.138
D
0.46 Nominal
0.018 Nominal
E
5.08 Nominal
0.200 Nominal
F
2.54 Nominal
0.100 Nominal
G
2.54 Nominal
0.100 Nominal
H
1.02
0.040
J
1.40
0.055
16
Bottom View
Pin 1
Pin 2
Pin 3
-80 -60 -40 -20
0 +20 +40 +60
0
-50
-100
-150
+80
-200
0
-50
-100
-150
-200
f
C = f O , TC = T O
T = T
C - T O ( °C )
(f-
f o
o
) /
f
(ppm
)
RO Series TO39 One-Port SAW Resonators
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