RO3144A-2 RFM, RO3144A-2 Datasheet
RO3144A-2
Manufacturer Part Number
RO3144A-2
Description
Resonators 916.5 MHz +/-100kHz Single Port
Manufacturer
RFM
Datasheet
1.RO3144A-1.pdf
(2 pages)
Specifications of RO3144A-2
Tolerance
100 KHz
Frequency
916.5 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RO3144A-2
Manufacturer:
RFMD
Quantity:
5 000
Electrical Characteristics
www.RFM.com E-mail: info@rfm.com
©2009 by RF Monolithics, Inc.
1.
2.
3.
4.
5.
• Ideal for 916.5 MHz Transmitters
• Very Low Series Resistance
• Quartz Stability
• Surface-Mount Ceramic Case with 21 mm
• Complies with Directive 2002/95/EC (RoHS)
The RO3144A is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case.
It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters
operating at 916.5 MHz.
Absolute Maximum Ratings
Rating
CW RF Power Dissipation
DC Voltage Between Terminals
Case Temperature
Soldering Temperature, 10 seconds / 5 cycles maximum
Characteristic
Frequency, +25 °C
Tolerance from 916.5 MHz
Insertion Loss
Quality Factor
Temperature Stability
Frequency Aging
DC Insulation Resistance between Any Two Terminals
RF Equivalent RLC Model
Test Fixture Shunt Inductance
Lid Symbolization
Frequency aging is the change in f
less. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture,
decreasing in subsequent years.
The center frequency, f
IL
shunt inductance, L
Typically, f
resonator f
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
government approval, which is the responsibility of the equipment
manufacturer.
Unless noted otherwise, case temperature T
MIN
Notes:
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
, with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The
OSCILLATOR
C
.
TEST
or f
C
, is tuned for parallel resonance with C
, is measured at the minimum insertion loss point,
TRANSMITTER
Unloaded Q
50 Ω Loaded Q
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Absolute Value during the First Year
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
C
with time and is specified at +65°C or
is approximately equal to the
RO3144A
RO3144A-1
RO3144A-2
RO3144A-1
RO3144A-2
RO3144A
C
= +25°C±2°C.
2
Footprint
O
at f
C
.
L
Sym
FTC
TEST
∆f
|fA|
R
C
Q
Q
T
L
C
f
IL
f
O
C
O
M
M
M
O
U
-40 to +85
C
L
6.
7.
8.
9.
Value
±30
260
RO3144A: 663, RO3144A-1: 897, RO3144A-2: 813, // YWWS
0
The design, manufacturing process, and specifications of this device are
subject to change without notice.
Derived mathematically from one or more of the following directly
measured parameters: f
Turnover temperature, T
frequency, f
calculated from: f = f
approximately equal to the specified resonator T
This equivalent RLC model approximates resonator performance near the
resonant frequency and is provided for reference only. The capacitance C
is the static (nonmotional) capacitance between the two terminals
measured at low frequency (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: C
5, 6, 7, 9
Notes
2,3,4,5
5, 6, 9
2,5,6
5,6,7
6,7,8
2, 7
1
5
O
. The nominal frequency at any case temperature, T
Units
Minimum
dBm
VDC
916.300
916.350
916.400
°C
°C
1.0
10
O
[1 - FTC (T
C
O
, IL, 3 dB bandwidth, f
, is the temperature of maximum (or turnover)
Typical
26500
0.032
3000
<±10
13.1
60.3
2.09
14.5
O
1.2
.50
25
f
C
-T
P
C
RO3144A-1
RO3144A-2
≈ C
Resonator
)
916.5 MHz
2
RO3144A
]. Typically oscillator T
O
- 0.05 pF.
Maximum
SAW
SM5035-4
C
916.700
916.650
916.600
O
±200
±150
±100
versus T
.
2.5
40
RO3144A - 7/30/09
C
, and C
ppm/°C
Page 1 of 2
O
ppm/yr
Units
C
MHz
kHz
kHz
MΩ
, may be
is
µH
dB
pF
nH
°C
fF
O
Ω
.
2
O
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RO3144A-2 Summary of contents
Page 1
... O FTC |fA TEST RO3144A: 663, RO3144A-1: 897, RO3144A-2: 813, // YWWS 6. The design, manufacturing process, and specifications of this device are subject to change without notice. 7. Derived mathematically from one or more of the following directly measured parameters Turnover temperature, T frequency calculated from approximately equal to the approximately equal to the specified resonator T 9 ...
Page 2
... -50 -100 -150 -200 +80 ( ° (3x) F (4x (1x Inches Nom Max .196 .201 .137 .142 .060 .062 .057 .059 .031 .036 .019 .024 .047 .052 Page RO3144A - 7/30/09 ...