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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 .
Electrical Test:
Δ T = T C - T O ( °C )
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Ω
Ω
Network
1
2
Network
1
2
Analyzer
Analyzer
3
Cp
Co= Cp + 0.25 pF*
*Case Parasitics
R
M
L
M
C
M
Power Test:
0.5 pF*
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
3
CW RF Power Dissipation =
P
INCIDENT
- P
REFLECTED
B
C
G
Typical Application Circuits
Typical Low-Power Transmitter Application:
A
D
(3 places)
E
F
H
Modulation
Input
200k Ω
MPS-H10
+9VDC
47
J
(2 places)
45°
C1
L1
1
2
(Antenna)
ROXXXX
Bottom View
3
C2
RF Bypass
Dimensions
Millimeters
Min Max
Min
Inches
Max
470
A
B
9.30
3.18
0.366
0.125
Typical Local Oscillator Application:
C
2.50
3.50
0.098
0.138
D
0.46 Nominal
0.018 Nominal
+VDC
C1
L1
Output
E
F
5.08 Nominal
2.54 Nominal
0.200 Nominal
0.100 Nominal
ROXXXX
Bottom View
1
3
2
C2
RF Bypass
+VDC
G
H
J
2.54 Nominal
1.02
1.40
0.100 Nominal
0.040
0.055
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 2 of 2
RO3075 - 3/26/08
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相关代理商/技术参数
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
RO3101A-1 功能描述:谐振器 433.92 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
RO3101A-11 功能描述:谐振器 433.92MHz BW 75KHz IL 1.5dB Typ. 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-21 制造商:RFM 功能描述:IC,RESON,433.92MHZ,SMD,2SM - Tape and Reel
RO3101C 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