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Electrical Connections
Power Test
The SAW resonator is bidirectional and
Pin
Connection
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
1
2
3
4
5
NC
Terminal
NC
NC
Terminal
50 Ω Source
at F C
P INCIDENT
P REFLECTED
Low-Loss
Matching
Network to
50 Ω
6
1
2
5
3
4
parasitic capacitance in the circuit.
6
NC
B
C
G
H
Typical Application Circuits
1
6
6
1
Typical Low-Power Transmitter Application
A 2
5
E
5
2
I
Modulation
200k Ω
+9VDC
Input
C1
3
4
D
4
J
3
1
2
3
L1
(Antenna)
47
6
5
4
C2
ROXXXXC
Bottom View
470
RF Bypass
Case Dimensions
Typical Local Oscillator Application
Output
Dimension
mm
Inches
+VDC
200k Ω
C1
+VDC
Min
Nom
Max
Min
Nom
Max
L1
A
3.60
3.80
4.0
0.14
0.15
0.16
B
C
D
E
3.60
1.00
0.95
2.39
3.80
1.20
1.10
2.54
4.0
1.40
1.25
2.69
0.14
0.04
0.033
0.090
0.15
0.05
0.043
0.10
0.16
0.055
0.05
0.110
ROXXXXC
Bottom View
6
1
2
5
3
4
C2
RF Bypass
G
H
0.90
1.90
1.0
2.0
1.10
2.10
0.035
0.75
0.04
0.08
0.043
0.83
I
J
0.50
1.70
0.6
1.8
0.70
1.90
0.020
0.067
0.024
0.07
0.028
0.075
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 .
Cp
Co = Cp + 0.05 pF
*Case Parasitics
Electrical Test
Rm
Lm
Cm
Temperature Characteristics
The curve shown on the right accounts for resonator contribution only and
does not include LC component temperature contributions.
6
1
0
f C = f O , T C = T O
0
From 50 Ω
5
2
To 50 Ω
-50
-50
Network Analyzer
Network Analyzer
4
3
-100
-150
-200
-80 -60 -40 -20
-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
RO3104D - 3/26/08
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相关PDF资料
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SAW RESONATR 303.825MHZ SM3030-6
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SAW RESONATOR 303.825MHZ TO39-3
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SAW RESONATOR 433.42MHZ SMD
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相关代理商/技术参数
RO3104E
功能描述:谐振器 303.825 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
RO3112
功能描述:谐振器 433.42 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
RO3112A
功能描述:谐振器 433.42 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
RO3112C
功能描述:谐振器 433.42 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
RO3112D
功能描述:谐振器 433.42 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
RO3112E
功能描述:谐振器 433.42 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
RO3115A
制造商:RF Monolithics (RFM) 功能描述:417.5 MHZ SAW RESONATOR - Tape and Reel
RO3118
功能描述:谐振器 318.0 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