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參數資料
| 型號： | RO3144 |
| 廠商： | RF MONOLITHICS INC |
| 元件分類： | SAW諧振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 916.5 MHz |
| 封裝： | ROHS COMPLIANT, HERMETIC, CASE TO39-3, 3 PIN |
| 文件頁數： | 2/2頁 |
| 文件大小： | 136K |
| 代理商： | RO3144 |
www.RFM.com
E-mail: info@rfm.com
Page 2 of 2
2008 by RF Monolithics, Inc.
RO3144 - 3/27/08
Electrical Connections
This one-port, two-terminal SAW resonator is bidirectional. The terminals
are interchangeable with the exception of circuit board layout.
Typical Test Circuit
The test circuit inductor, LTEST, is tuned to resonate with the static
capacitance, CO at FC.
Typical Application Circuits
Temperature Characteristics
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Case Design
Pin
Connection
1
Terminal 1
2
Terminal 2
3
Case Ground
Network
Analyzer
Network
Analyzer
Electrical Test:
1
2
3
Ω
50
Ω
Source at
F
C
Low-Loss
Matching
Network
50
Ω
to
Power Test:
P
INCIDENT
CW RF Power Dissipation =
-
REFLECTED
P
3
2
1
MPS-H10
+9VDC
47
RF Bypass
L1
C1
C2
200k
Ω
Modulation
Input
ROXXXX
Bottom View
470
Typical Low-Power Transmitter Application:
1
2
3
(Antenna)
+VDC
RF Bypass
L1
C2
ROXXXX
Bottom View
Typical Local Oscillator Application:
1
2
3
Output
+VDC
C1
Dimensions
Millimeters
Inches
Min
Max
Min
Max
A9.40
0.370
B3.18
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
H1.02
0.040
J
1.40
0.055
The curve shown on the right
accounts for resonator
contribution only and does not
include oscillator temperature
characteristics.
-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
ΔT = T
C - T O ( °C )
(f
-f
o
) /
f
(ppm
)
0.5 pF*
0.25 pF*
Cp
Co=
+
*Case Parasitics
R
L
C
0.5 pF*
C p
1
2
3
MM
M
B
45°
J
(2 places)
D
(3 places)
H
G
E
F
C
A
Bottom View
Pin 1
Pin 2
Pin 3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| RO3144A | 功能描述:諧振器 916.5 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel |
| RO3144A-1 | 功能描述:諧振器 916.5 MHz +/-150kHz Single Port RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel |
| RO3144A-2 | 功能描述:諧振器 916.5 MHz +/-100kHz Single Port RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel |
| RO3144C | 功能描述:諧振器 916.5 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel |
| RO3144C-1 | 功能描述:諧振器 916.5 MHz +/-150kHz Single Port RoHS:否 制造商:Murata 頻率:30 MHz 容差:25 PPM 系列:XRCGB 端接類型:SMD/SMT 工作溫度范圍:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封裝:Reel |
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