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Electrical Connections
The SAW resonator is bidirectional and
may be installed with either orientation.
Pin
1
NC
Connection
Power Test
NC
NC
The two terminals are interchangeable
and unnumbered. The callout NC
indicates no internal connection. The NC
pads assist with mechanical positioning
and stability. External grounding of the NC
2
3
4
5
Terminal
NC
NC
NC
50 Ω Source
at F C
P INCIDENT
P REFLECTED
Low-Loss
Matching
Network to
50 Ω
NC
1
7
2
8
6
3
4
5
NC
pads is recommended to help reduce
parasitic capacitance in the circuit.
6
Terminal
NC
NC
7
NC
8
NC
Typical Application Circuits
B
C
E
Typical Low-Power Transmitter Application
8
8
Modulation
200k Ω
+9VDC
1
7
D 7
1
Input
C1
47
L1
A
2
6
6
2
G
1
2
3
(Antenna)
3
5
5
3
8
4
7
6
5
4
4
F
ROXXXXC
Bottom View
C2
RF Bypass
470
Typical Local Oscillator Application
Output
Case Dimensions
200k Ω
Dimension
A
B
Min
4.8
4.8
mm
Nom
5.0
5.0
Max
5.2
5.2
Min
0.189
0.189
Inches
Nom
0.197
0.197
Max
0.205
0.205
+VDC
1
2
8
4
3
C1
L1
+VDC
C
D
E
2.08
1.17
1.7
0.082
0.046
0.067
ROXXXXC
Bottom View
7
6
5
C2
RF Bypass
F
0.64
0.025
G
2.39
2.54
2.69
0.094
0.100
0.106
Equivalent LC Model
Typical Test Circuit
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O , at F C .
0.05 pF*
Co = Cp + 0.05 pF
Electrical Test
Cp
*Case Parasitics
Rm
Lm
Cm
Temperature Characteristics
The curve shown on the right accounts for resonator contribution only and
7
1
does not include LC component temperature contributions.
From 50 Ω
Network Analyzer
6
5
8
4
2
3
To 50 Ω
Network Analyzer
0
f C = f O , T C = T O
0
-50
-100
-150
-200
-80 -60 -40 -20
-50
-100
-150
-200
0 +20 +40 +60 +80
Δ T = T C - T O ( °C )
www.RFM.com E-mail: info@rfm.com
?2014 by RF Monolithics, Inc.
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RO3144C - 1/6/14
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相关代理商/技术参数
RO3144D
功能描述:谐振器 916.5 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3144D-1
功能描述:谐振器 916.5 MHz +/-150kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3144D-2
功能描述:谐振器 916.5 MHz +/-100kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3144E
功能描述:谐振器 916.5 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3144E-1
功能描述:谐振器 916.5 MHz +/-150kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3144E-2
功能描述:谐振器 916.5 MHz +/-100kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3156
功能描述:谐振器 868.95 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel
RO3156A
功能描述:谐振器 868.95 MHz +/-200kHz Single Port RoHS:否 制造商:Murata 频率:30 MHz 容差:25 PPM 系列:XRCGB 端接类型:SMD/SMT 工作温度范围:- 10 C to + 70 C 尺寸:1.6 mm W x 2 mm L x 0.65 mm H 封装:Reel