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參數資料
| 型號： | RO2116A |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 303.325 MHz SAW Resonator |
| 中文描述： | 303.325兆赫聲表面波諧振器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 102K |
| 代理商： | RO2116A |
RF Monolithics, Inc.
RFM Europe
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RO2116A-012303
Page 1 of 2
Soldering Temperature (10 seconds / 5 cycles max.)
Electrical Characteristics
Characteristic
Absolute Frequency
Tolerance from 303.325 MHz
Sym
f
C
f
C
IL
Q
U
Q
L
T
O
f
O
FTC
|f
A
|
Notes
Minimum
303.250
Typical
Maximum
303.400
±75
1.5
Units
MHz
kHz
Center Frequency (+25 °C)
2, 3, 4, 5
Insertion Loss
Quality Factor
2, 5, 6
0.9
dB
Unloaded Q
50
Loaded Q
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Absolute Value during the First Year
5, 6, 7
15,400
1,500
40
f
C
+2.2
0.032
≤
10
Temperature Stability
6, 7, 8
25
55
°C
ppm/°C
2
ppm/yr
M
μH
Frequency Aging
DC Insulation Resistance between Any Two Terminals
RF Equivalent RLC Model
1
5
1.0
Motional Resistance
Motional Inductance
Motional Capacitance
Transducer Static Capacitance
R
M
L
M
C
M
C
O
L
TEST
5, 7, 9
11
19
90.5074
3.04186
3.0
90
105
fF
pF
5, 6, 9
2, 7
2.7
3.3
Test Fixture Shunt Inductance
Lid Symbolization
nH
Ideal for 303.325 MHz Superhet Receivers
Very Low Series Resistance
Quartz Stability
Surface-Mount, Ceramic Case with 21 mm
2
Footprint
Complies with Directive 2002/95/EC (RoHS)
The RO2116A 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 local oscillators operating at
303.325 MHz. This SAW is designed for 303.325 MHz superhet receivers with 500 kHz IF (Philips
UAA3201T). Applications inlude remote-control and wireless security receivers operating in the USA under
FCC Part 15, in Japan, in Australia, and in Korea.
Absolute Maximum Ratings
Rating
Value
+0
±30
-40 to +85
260
Units
dBm
VDC
°C
°C
CW RF Power Dissipation (See Typical Test Circuit)
DC Voltage Between Terminals (Observe ESD Precautions)
Case Temperature
303.325 MHz
SAW
Resonator
RO2116A
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
Frequency aging is the change in f
C
with time and is specified at +65°C or
less. Aging may exceed the specification for prolonged temperatures above
+65°C. Typically, aging is greatest the first year after manufacture, decreas-
ing in subsequent years.
The center frequency, f
C
, is measured at the minimum insertion loss point,
IL
MIN
, with the resonator in the 50
test system (VSWR
≤
1.2:1). The shunt
inductance, L
TEST
, is tuned for parallel resonance with C
O
at f
C
. Typically,
f
OSCILLATOR
or f
TRANSMITTER
is approximately equal to the resonator f
C
.
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 gov-
ernment approval, which is the responsibility of the equipment manufacturer.
Unless noted otherwise, case temperature T
C
= +25°C±2°C.
The design, manufacturing process, and specifications of this device are sub-
ject to change without notice.
Derived mathematically from one or more of the following directly measured
parameters: f
C
, IL, 3 dB bandwidth, f
C
versus T
C
, and C
O
.
2.
3.
4.
5.
6.
7.
8.
Turnover temperature, T
O
, is the temperature of maximum (or turnover) fre-
quency, f
O
. The nominal frequency at any case temperature, T
C
, may be cal-
culated from: f = f
O
[1 - FTC (T
O
-T
C
)
2
]. Typically,
oscillator
T
O
is
approximately equal to the specified
resonator
T
O
.
This equivalent RLC model approximates resonator performance near the
resonant frequency and is provided for reference only. The capacitance C
O
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
be calculated as: C
P
≈
C
O
- 0.05 pF.
Packaged in 500PC Tape carrier.
9.
10.
SM-2 Case
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