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Electrical Connections
This one-port, two-terminal SAW resonator is bidirectional. The terminals
Temperature Characteristics
are interchangeable with the exception of circuit board layout.
The curve shown on the right
f C = f O , T C = T O
accounts for resonator
0
0
Pin
Connection
Bottom View
contribution only and does not
-50
-50
1
2
3
Terminal 1
Terminal 2
Case Ground
Pin 1
Pin 2
Pin 3
include oscillator temperature
characteristics.
-100
-150
-200
-100
-150
-200
-80 -60 -40 -20
0 +20 +40 +60 +80
Δ T = T C - T O ( °C )
Typical Test Circuit
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O at F C .
Electrical Test:
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Ω
Ω
1
2
Network
1
2
Network
Analyzer
Analyzer
Cp
Co= Cp + 0.25 pF*
3
*Case Parasitics
R
M
L
M
C
M
Power Test:
0.5 pF*
3
0.5 pF*
Source at P
F
to 50 Ω
50 Ω
C
P
INCIDENT
REFLECTED
Low-Loss
Matching
Network
3
1
2
Case Design
C
G
CW RF Power Dissipation =
P
INCIDENT
- P
REFLECTED
B
H
F
Typical Application Circuits
Typical Low-Power Transmitter Application:
A
D
(3 places)
E
J
Modulation
200k Ω
MPS-H10
(2 places)
45°
Input
C1
L1
+9VDC
47
1
2
C2
(Antenna)
Dimensions
Millimeters
Min
Max
Min
Inches
Max
ROXXXX
Bottom View
3
470
RF Bypass
A
B
C
2.50
9.30
3.18
3.50
0.098
0.366
0.125
0.138
Typical Local Oscillator Application:
D
E
0.46 Nominal
5.08 Nominal
0.018 Nominal
0.200 Nominal
+VDC
C1
L1
Output
F
G
2.54 Nominal
2.54 Nominal
0.100 Nominal
0.100 Nominal
1
2
+VDC
H
1.02
0.040
C2
J
1.40
0.055
ROXXXX
Bottom View
3
RF Bypass
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 2 of 2
RO3023 - 3/26/08
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相关代理商/技术参数
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功能描述:SAW RESONATOR 314.2MHZ SM5035-4 RoHS:是 类别:晶体和振荡器 >> 谐振器 系列:RO 标准包装:1 系列:CERASONATOR® CRK 频率:500kHz 类型:陶瓷 特点:- 频率稳定性:±0.3% 频率公差:±0.5% 阻抗:400 欧姆 电容:560pF 工作温度:-20°C ~ 80°C 安装类型:通孔 封装/外壳:径向，盒 - 2 引线，5.00mm 间距 尺寸/尺寸:0.303" L x 0.134" W（7.70mm x 3.40mm） 高度:0.209"（5.30mm） 包装:散装 其它名称:CRK500TK9944TK9944CTTK9944CT-ND
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RO3073A
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
RO3073A-1
功能描述:谐振器 315.0MHz +/-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
RO3073C
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
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
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