Electrical Connections
The SAW resonator is bidirectional and
Pin
Connection
Power Test
may be installed with either orientation.
The two terminals are interchangeable
and unnumbered. The callout NC
indicates no internal connection. The NC
pads assist with mechanical positioning
and stability. External grounding of the NC
pads is recommended to help reduce
1
2
3
4
5
NC
Terminal
NC
NC
Terminal
50 Ω Source
at F C
P INCIDENT
P REFLECTED
Low-Loss
Matching
Network to
50 Ω
6
1
2
5
3
4
parasitic capacitance in the circuit.
6
NC
Typical Application Circuits
B
C
G
H
Typical Low-Power Transmitter Application
1
6
6
1
Modulation
200k Ω
+9VDC
Input
C1
A 2
5
E
F
5
2
I
L1
47
(Antenna)
3
4
4
3
1
2
3
6
5
4
D
J
ROXXXXC
Bottom View
C2
470
RF Bypass
Case Dimensions
Typical Local Oscillator Application
Output
Dimension
Min
mm
Nom
Max
Min
Inches
Nom
Max
+VDC
200k Ω
C1
L1
+VDC
A
2.87
3.0
3.13
0.113
0.118
0.123
B
2.87
3.0
3.13
0.113
0.118
0.123
1
2
3
C
1.12
1.25
1.38
0.044
0.049
0.054
D
E
F
0.77
2.67
1.47
0.90
2.80
1.6
1.03
2.93
1.73
0.030
0.105
0.058
0.035
0.110
0.063
0.040
0.115
0.068
ROXXXXC
Bottom View
6
5
4
C2
RF Bypass
G
H
0.72
1.37
0.85
1.5
0.98
1.63
0.028
0.054
0.033
0.059
0.038
0.064
I
J
0.47
1.17
0.60
1.30
0.73
1.43
0.019
0.046
0.024
0.051
0.029
0.056
Equivalent LC Model
0.05 pF*
Typical Test Circuit
Co = Cp + 0.05 pF
The test circuit inductor, L TEST , is tuned to resonate with the static
capacitance, C O , at F C .
Cp
*Case Parasitics
Rm
Lm
Cm
Electrical Test
Temperature Characteristics
The curve shown on the right accounts for resonator contribution only and
does not include LC component temperature contributions.
f C = f O , T C = T O
6
0
0
From 50 Ω
5
1
2
To 50 Ω
-50
-50
Network Analyzer
4
3
Network Analyzer
-100
-150
-200
-80 -60 -40 -20
-100
-150
-200
0 +20 +40 +60 +80
Δ T = T C - T O ( °C )
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 2 of 2
RO3104E - 3/26/08
相关PDF资料
RO3104 SAW RESONATOR 303.825MHZ TO39-3
RO3112A SAW RESONATOR 433.42MHZ SMD
RO3112C SAW RESONATOR 433.42MHZ SM5050-8
RO3112D SAW RESONATOR 433.42MHZ SM3838-6
RO3112E SAW RESONATOR 433.42MHZ SM3030-6
RO3112 SAW RESONATOR 433.42MHZ TO39-3
RO3118A SAW RESONATOR 318.0MHZ SM5035-4
RO3118D SAW RESONATOR 318.0MHZ SM3838-6
相关代理商/技术参数
RO3112 功能描述:谐振器 433.42 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
RO3112A 功能描述:谐振器 433.42 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
RO3112C 功能描述:谐振器 433.42 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
RO3112D 功能描述:谐振器 433.42 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
RO3112E 功能描述:谐振器 433.42 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
RO3115A 制造商:RF Monolithics (RFM) 功能描述:417.5 MHZ SAW RESONATOR - Tape and Reel
RO3118 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
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