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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
Typical Test Circuit
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O at F C .
Δ T = T C - T O ( °C )
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Electrical Test:
1
2
Network
Ω
1
2
Network
Ω
Cp
Co= Cp + 0.25 pF*
Analyzer
Analyzer
*Case Parasitics
3
R
M
L
M
C
M
Power Test:
Case Design
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
B
C
G
H
CW RF Power Dissipation =
P
INCIDENT
- P
REFLECTED
A
E
F
Typical Application Circuits
Typical Low-Power Transmitter Application:
D
(3 places)
J
(2 places)
45°
Modulation
Input
200k Ω
MPS-H10
+9VDC
C1
L1
47
Millimeters
Inches
ROXXXX
Bottom View
1
2
3
470
C2
(Antenna)
RF Bypass
Dimensions
A
B
C
Min
2.50
Max
9.40
3.18
3.50
Min
0.098
Max
0.370
0.125
0.138
D
0.46 Nominal
0.018 Nominal
Typical Local Oscillator Application:
E
F
5.08 Nominal
2.54 Nominal
0.200 Nominal
0.100 Nominal
+VDC
C1
L1
Output
G
H
2.54 Nominal
1.02
0.100 Nominal
0.040
1
2
+VDC
J
1.40
0.055
C2
ROXXXX
Bottom View
3
RF Bypass
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 2 of 2
RO3144 - 3/27/08
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相关代理商/技术参数
RO3144A 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
RO3144A-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
RO3144A-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
RO3144C 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
RO3144C-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
RO3144C-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
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