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Electrical Connections
Equivalent Model
The SAW resonator is bidirectional and may be
installed with either orientation. The two terminals
Terminal
0.05 pF*
are interchangeable and unnumbered. The callout
NC indicates no internal connection. The NC pads
assist with mechanical positioning and stability.
Cp
Co = Cp + 0.05 pF
*Case Parasitics
External grounding of the NC pads is
recommended to help reduce parasitic
Terminal
Rm
Lm
Cm
capacitance in the circuit.
Temperature Characteristics
Typical Test Circuit
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O , at F C .
The curve shown on the right
accounts for resonator
contribution only and does not
include LC component
temperature contributions.
0
-50
-100
-150
f C = f O , T C = T O
0
-50
-100
-150
ELECTRICAL TEST
From 50 ?
To 50 ?
Case
-200 -200
-80 -60 -40 -20 0 +20 +40 +60 +80
? T = T C - T O ( °C )
Network Analyzer
Network Analyzer
T o p V ie w
S id e V ie w
B o tto m
V ie w
B
C
4
1
E (3 x )
F (4 x )
POWER TEST
3
50 ? Source
at F C
P INCIDENT
P
REFLECTED
Low-Loss
Matching
Network to
50 ?
NC
Terminal
NC
Terminal
D
2
G
(1 x )
P INCIDENT - REFLECTED
CW RF Power Dissipation =
P
H
Typical Application Circuits
Typical Low-Power Transmitter Application
K
J
I
200k ?
+9VDC
L
Modulation
Input
C1
L1
47
H
M
J
M
H
C2
(Antenna)
PCB Land Pattern
Top View
RO3XXXA
Bottom View
470
RF Bypass
Dimensions
Min
Millimeters
Nom
Max
Min
Inches
Nom
Max
A
B
4.87
3.37
5.00
3.50
5.13
3.63
0.191
0.132
0.196
0.137
0.201
0.142
Typical Local Oscillator Applications
Output
C
D
1.45
1.35
1.53
1.43
1.60
1.50
0.057
0.040
0.060
0.057
0.062
0.059
+VDC
C1
L1
+VDC
E
F
G
0.67
0.37
1.07
0.80
0.50
1.20
0.93
0.63
1.33
0.026
0.014
0.042
0.031
0.019
0.047
0.036
0.024
0.052
H
-
1.04
-
-
0.041
-
C2
I
J
-
-
1.46
0.50
-
-
-
-
0.058
0.019
-
-
RO3XXXA
Bottom View
RF Bypass
K
L
M
-
-
-
1.05
1.44
0.71
-
-
-
-
-
-
0.041
0.057
0.028
-
-
-
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? 2008-2011 by RF Monolithics, Inc.
Page 2 of 2
RO3073A-1 6/29/11
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相关PDF资料
RO3073A
SAW RESONATOR 315MHZ SMD
RO3073C
SAW RESONATOR 315.0MHZ SM5050-8
RO3073D
SAW RESONATOR 315.0MHZ SM3838-6
RO3073E-1
SAW RESONATOR 315.0MHZ SM3030-6
RO3073E
SAW RESONATOR 315MHZ SMD
RO3073
SAW RESONATOR 315.0MHZ TO39-3
RO3075A
SAW RESONATOR 345.0MHZ SM5035-4
RO3075E
SAW RESONATOR 345.0MHZ SM3030-6
相关代理商/技术参数
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
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
RO3073E-1
功能描述:谐振器 315.0 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
RO3075
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
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