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參數資料
| 型號： | RO2193A |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 379.3 MHz SAW Resonator |
| 中文描述： | 379.3兆赫聲表面波諧振器 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 100K |
| 代理商： | RO2193A |
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) 387-9148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RO2193A-070901
Page 1 of 2
Soldering Temperature (10 seconds / 5 cycles max.)
Electrical Characteristics
Characteristic
Absolute Frequency
Tolerance from 304.0 MHz
Sym
f
C
f
C
IL
Q
U
Q
L
T
O
f
O
FTC
|fA|
Notes
Minimum
379.2
Typical
379.3
Maximum
379.4
±100
2.0
Units
MHz
kHz
Center Frequency at +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
13,000
2,000
42
f
C
-5
0.037
≤
10
Temperature Stability
6, 7, 8
27
57
°C
kHz
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
Pin 1 to Pin 2 Static Capacitance
Transducer Static Capacitance
R
M
L
M
C
M
C
O
C
P
L
TEST
5, 7, 9
18
107
1.6
3.9
2.7
57
25
fF
pF
pF
5, 6, 9
5, 6, 7, 9
2, 7
3.6
4.2
Test Fixture Shunt Inductance
Lid Symbolization
nH
TBD
SM-2 Case
Ideal for 390 MHz Superhet Receiver LO
Very Low Series Resistance
Quartz Stability
Rugged, Hermetic, Surface Mount SM-2 Package
Complies with Directive 2002/95/EC (RoHS)
The RO2193A 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
approximately 379.3 MHz. This SAW is designed for 390 MHz superhet receivers with 10.7 MHz IF. Applica-
tions include keyless-entry receivers operating in the USA under FCC Part 15, in Canada under DOC RSS-
210, and in Italy.
Absolute Maximum Ratings
Rating
CW RF Power Dissipation
DC Voltage Between Any Two Pins (Observe ESD Precautions)
Case Temperature
Value
+5
±30
-40 to +85
260
Units
dBm
VDC
°C
°C
379.3 MHz
SAW
Resonator
RO2193A
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
Lifetime (10 year) frequency aging.
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
.
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
3.
4.
5.
6.
7.
parameters: f
C
, IL, 3 dB bandwidth, f
C
versus T
C
, and C
O
.
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
].
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 a floating case. Case parasitic capaci-
tance is approximately 0.25pF. Transducer parallel capacitance can be cal-
culated as: C
P
≈
C
O
- 0.25pF.
8.
9.
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