RO3135A [MURATA]
1-PORT SAW RESONATOR, 319.508MHz, ROHS COMPLIANT, CERAMIC, SM5035-4;
| 型号： | RO3135A |
| 厂家： | 
muRata |
| 描述： | 1-PORT SAW RESONATOR, 319.508MHz, ROHS COMPLIANT, CERAMIC, SM5035-4 晶体 谐振器 |
| 文件： | 总2页 (文件大小：382K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RO3135A
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•
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•
•
Designed for 319.508 MHz Transmitters
Very Low Series Resistance
Quartz Stability
Surface-mount Ceramic Case
Complies with Directive 2002/95/EC (RoHS)
319.508 MHz
SAW
Resonator
Pb
The RO3135A is a one-port surface-acoustic-wave (SAW) resonator packaged in a surface-mount
ceramic case. It provides reliable, fundamental-mode quartz frequency stabilization of fixed-frequency
transmitters operating at 319.508 MHz.
Absolute Maximum Ratings
Rating
Value
+0
Units
dBm
VDC
°C
CW RF Power Dissipation (See: Typical Test Circuit)
DC Voltage Between Terminals (Observe ESD Precautions)
Case Temperature
±30
-40 to +85
260
Soldering Temperature (10 seconds / 5 cycles maximum)
°C
SM5035-4
Electrical Characteristics
Characteristic
Center Frequency, +25 °C
Tolerance from 319.508 MHz
Insertion Loss
Sym
Notes
2,3,4,5
2,5,6
Minimum
Typical
Maximum
Units
MHz
kHz
dB
f
319.508
C
∆f
±75
2.2
C
IL
1.5
19200
1500
25
Q
Quality Factor
Unloaded Q
U
5,6,7
Q
T
50 Ω Loaded Q
L
Temperature Stability
Turnover Temperature
Turnover Frequency
10
40
°C
O
f
f
6,7,8
O
C
2
Frequency Temperature Coefficient
Absolute Value during the First Year
FTC
0.032
ppm/°C
|f |
Frequency Aging
1
5
≤10
ppm/yr
MΩ
Ω
A
DC Insulation Resistance between Any Two Terminals
1.0
R
RF Equivalent RLC Model
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
8.4
81
M
L
5, 7, 9
µH
M
C
3.06
3.5
70
fF
M
C
5, 6, 9
2, 7
pF
O
L
Test Fixture Shunt Inductance
nH
TEST
Lid Symbolization (in addition to Lot and/or Date Codes)
839 // YWWS
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
Frequency aging is the change in fC with time and is specified at +65 °C or less.
8.
Turnover temperature, TO, is the temperature of maximum (or turnover) fre-
quency, fO. The nominal frequency at any case temperature, TC, may be calcu-
lated from: f = fO [1 - FTC (TO -TC)2]. Typically oscillator TO is approximately
equal to the specified resonator TO.
This equivalent RLC model approximates resonator performance near the reso-
nant frequency and is provided for reference only. The capacitance CO is the
static (nonmotional) capacitance between the two terminals measured at low fre-
quency (10 MHz) with a capacitance meter. The measurement includes parasitic
capacitance with "NC” pads unconnected. Case parasitic capacitance is
approximately 0.05 pF. Transducer parallel capacitance can by calculated as:
CP ≈ CO - 0.05 pF.
Aging may exceed the specification for prolonged temperatures above +65 °C.
Typically, aging is greatest the first year after manufacture, decreasing in subse-
quent years.
The center frequency, fC, is measured at the minimum insertion loss point, ILMIN
,
9.
with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The shunt induc-
tance, LTEST, is tuned for parallel resonance with CO at fC. Typically, fOSCILLA-
TOR or fTRANSMITTER is approximately equal to the resonator fC.
One or more of the following United States patents apply: 4,454,488 and
4,616,197.
Typically, equipment utilizing this device requires emissions testing and govern-
ment approval, which is the responsibility of the equipment manufacturer.
Unless noted otherwise, case temperature TC = +25 ± 2 °C.
The design, manufacturing process, and specifications of this device are subject
to change without notice.
3.
4.
10. Tape and Reel standard per ANSI / EIA 481.
5.
6.
7.
Derived mathematically from one or more of the following directly measured
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
www.RFM.com E-mail: info@rfm.com
© 2011 by RF Monolithics, Inc.
Page 1 of 2
RO3135A(R) - 8/29/11
Electrical Connections
Equivalent RLC Model
The SAW resonator is bidirectional and 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
C
P
Terminal
C
=
0
.
0
5
p
F
(
C
a
s
e
P
a
r
c
a
s
i
t
i
c
s
)
P
C
=
S
A
W
S
t
a
t
i
c
C
a
p
a
i
t
a
n
c
e
S
C
=
C
+ C
S P
O
C
S
L
R
M
C
M
M
Terminal
recommended to help reduce parasitic
capacitance in the circuit.
Temperature Characteristics
The curve shown on the right
accounts for resonator
contribution only and does not
include LC component
fC = fO , TC = TO
0
Typical Test Circuit
0
The test circuit inductor, L
, is tuned to resonate with the static
TEST
-50
-50
capacitance, C , at F .
O
C
-100
-150
-100
-150
-200
temperature contributions.
-200
ELECTRICAL TEST
-80 -60 -40 -20
0
+40 +60 +80
+20
Case
T = TC - TO ( °C )
∆
Ω
Ω
To 50
Network Analyzer
From 50
Network Analyzer
T
o
p
V
i
e
w
S
i
d
e
V
i
e
w
B
o
t
t
o
m
V
i
e
w
B
C
E
(
3
x
)
4
F
(
4
x
)
1
POWER TEST
3
P
INCIDENT
2
Terminal
NC
Terminal
Low-Loss
Matching
Network to
G
(
1
x
)
Ω
50 Source
NC
P
at FC
REFLECTED
D
Ω
50
H
P
P
INCIDENT - REFLECTED
CW RF Power Dissipation =
I
Typical Application Circuits
I
I
H
H
J
Typical Low-Power Transmitter Application
+9VDC
H
Ω
200k
Modulation
Input
47
K
C1
C2
L1
(Antenna)
L
PCB Land Pattern
Top View
RF Bypass
RO3XXXA
Bottom View
Millimeters
Inches
Nom
470
Dimensions
Min
Nom
5.00
3.50
1.53
1.43
0.80
0.50
1.20
1.04
1.46
3.01
1.44
1.92
Max
5.13
3.63
1.60
1.50
0.93
0.63
1.33
-
Min
Max
A
B
C
D
E
F
G
H
I
4.87
3.37
1.45
1.35
0.67
0.37
1.07
-
0.191
0.196
0.137
0.060
0.057
0.031
0.019
0.047
0.041
0.058
0.119
0.057
0.076
0.201
Typical Local Oscillator Applications
0.132
0.142
0.057
0.062
Output
0.040
0.059
+VDC
0.026
0.036
C1
+VDC
0.014
0.024
L1
0.042
0.052
-
-
-
-
-
-
-
-
-
-
C2
-
-
RO3XXXA
Bottom View
RF Bypass
J
-
-
K
L
-
-
-
-
www.RFM.com E-mail: info@rfm.com
© 2011 by RF Monolithics, Inc.
Page 2 of 2
RO3135A(R) - 8/29/11
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