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參數(shù)資料
| 型號： | RP1261 |
| 廠商： | RF MONOLITHICS INC |
| 元件分類： | SAW諧振器 |
| 英文描述： | 2-PORT SAW RESONATOR, 913.612 MHz |
| 封裝： | RUGGED, HERMETIC, LOW-PROFILE, TO-39, 3 PIN |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 162K |
| 代理商： | RP1261 |
Electrical Connections
This two-port, three-terminal SAW resonator is bidirectional.
However, impedances and circuit board parasitics may not be
symmetrical, requiring slightly different oscillator component-
matching values.
Typical Test Circuit
Typical Application Circuits
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Temperature Characteristics
Typical Frequency Response
50
Source at
F
C
Low-Loss
Matching
Network
50
to
Power Test
P
INCIDENT
CW RF Power Dissipation =
-
REFLECTED
P
1
3
2
2
3
1
From 50
Network
Analyzer
To 50
Network
Analyzer
Electrical Test
1
2
3
Conventional Two-Port Design:
Simulated One-Port Design:
This SAW resonator can be used in oscillator or transmitter de-
signs that require 180° phase shift at resonance in a two-port
configuration.
One-port resonators can be simulated, as
shown, by connecting pins 1 and 2 together. However, for most
low-cost consumer products, this is only recommended for ret-
rofit applications and not for new designs.
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
-80 -60 -40 -20
0 +20 +40 +60
0
-50
-100
-150
+80
-200
0
-50
-100
-150
-200
f
C = f O , T C = T O
T = T
C - T O ( °C )
(f-
f o
o
) /
f
(ppm
)
The curve shown on the
right accounts for resona-
tor contribution only and
does not include LC com-
ponent temperature con-
tributions.
-10.0
-20.0
-30.0
-40.0
-50.0
-60.0
200.0
100.0
0.0
-100.0
-200.0
-300.0
-400.0
-500.0
-600.0
-700.0
-800.0
901.2
905.2
909.2
913.2
917.2
921.2
925.2
929.2
Frequency (MHz)
S21
magn.(dB)
S21
phase
(deg.)
B
45°
J
(2 places)
D
(3 places)
H
G
E
F
C
A
Case Design
The plot shown below is a typical frequency response for the
RP series of two-port resonators. The plot is for RP1094.
C
M
C o
Co
R
M
L
M
1
2
3
Pin
Connection
1
Input or Output
2
Output or Input
3
Case Ground
22
Bottom View
Pin 1
Pin 2
Pin 3
RP Series TO39 Two-Port SAW Resonators
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| RP1280 | 功能描述:罩類、盒類及殼類產(chǎn)品 7.32 x 5.75 x 2.95 Watertight RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
| RP1280 | 制造商:SPC Multicomp 功能描述:BOX IP65 POLYCARBONATE |
| RP1285 | 功能描述:罩類、盒類及殼類產(chǎn)品 7.32x5.75x2.95 Inch RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
| RP1285 | 制造商:SPC Multicomp 功能描述:BOX IP65 ABS ((NS)) |
| RP1285C | 功能描述:罩類、盒類及殼類產(chǎn)品 6.50x4.92x2.95 Inch w/Clear Lid RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
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