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Electrical Connections
The SAW resonator is bidirectional and
may be installed with either orientation.
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
pads is recommended to help reduce
parasitic capacitance in the circuit.
Pin
1
2
3
4
5
6
Connection
NC
Terminal
NC
NC
NC
Terminal
Power Test
50 Ω Source
at F C
P INCIDENT
P REFLECTED
Low-Loss
Matching
Network to
50 Ω
NC
NC
1
7
NC
2
8
6
NC
3
4
5
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
L1
47
(Antenna)
A
2
6
6
2
G
1
2
3
8
4
3
5
5
3
7
6
5
C2
4
4
F
ROXXXXC
Bottom View
RF Bypass
470
Typical Local Oscillator Application
Output
Case Dimensions
200k Ω
Dimension
mm
Inches
+VDC
C1
L1
+VDC
Min
Nom
Max
Min
Nom
Max
1
2
3
A
4.8
5.0
5.2
0.189
0.197
0.205
8
4
B
4.8
5.0
5.2
0.189
0.197
0.205
7
6
5
C
1.7
0.067
C2
D
E
F
2.08
1.17
0.64
0.082
0.046
0.025
ROXXXXC
Bottom View
RF Bypass
G
2.39
2.54
2.69
0.094
0.100
0.106
Equivalent LC Model
Typical Test Circuit
0.05 pF*
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O , at F C .
Electrical Test
Cp
Co = Cp + 0.05 pF
*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
?2008 by RF Monolithics, Inc.
Page 2 of 2
RO3073C - 3/26/08
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相关代理商/技术参数
RO3073D
功能描述:谐振器 315.0 MHz +/-75kHz 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
RO3073E
功能描述:谐振器 315.0MHz +/-75kHz 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
RO3073E-1
功能描述:谐振器 315.0 MHz +/-50kHz 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
RO3075
功能描述:谐振器 345.0 MHz +/-70kHz 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
RO3075A
功能描述:谐振器 345.0 MHz +/-70kHz 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
RO3075E
功能描述:谐振器 345.0 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
RO3101
功能描述:谐振器 433.92 MHz +/-75kHz 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
RO3101A
功能描述:谐振器 433.92 MHz +/-75kHz 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