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参数资料
| 型号： | RO3118 |
| 厂商： | RFM |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | SAW RESONATOR 318.0MHZ TO39-3 |
| 标准包装： | 1,000 |
| 系列： | RO |
| 频率： | 318MHz |
| 类型： | SAW |
| 特点： | 内置电容 |
| 频率稳定性： | 0.037ppm |
| 频率公差： | ±75kHz |
| 阻抗： | 1 兆欧 |
| 电容： | 3pF |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-39-3 透镜顶部金属罐 |
| 尺寸/尺寸： | 0.366" 直径（9.30mm） |
| 高度： | 0.125"（3.17mm） |
| 包装： | 带卷 (TR) |
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
H
F
Typical Low-Power Transmitter Application:
A
D
E
Modulation
Input
200k Ω
MPS-H10
+9VDC
(3 places)
1
2
C1
L1
(Antenna)
47
J
(2 places)
45°
C2
ROXXXX
Bottom View
3
RF Bypass
Millimeters
Inches
Dimensions
470
Typical Local Oscillator Application:
A
B
Min
Max
9.30
3.18
Min
Max
0.366
0.125
C
2.50
3.50
0.098
0.138
+VDC
C1
L1
Output
D
E
0.46 Nominal
5.08 Nominal
0.018 Nominal
0.200 Nominal
1
2
+VDC
F
2.54 Nominal
0.100 Nominal
ROXXXX
Bottom View
3
C2
RF Bypass
G
H
2.54 Nominal
1.02
0.100 Nominal
0.040
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
J
1.40
0.055
Page 2 of 2
RO3118 - 3/27/08
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RO3118A | 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 |
| RO3118D | 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 |
| RO3118E | 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 |
| RO3119A | 制造商:RF Monolithics (RFM) 功能描述:IC,RESON,317.5MHZ,SMD,2SM - Tape and Reel |
| RO3120A | 功能描述:谐振器 403.55MHz BW 75KHz IL 1.1dB Typ. SAW 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 |
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