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參數(shù)資料
| 型號： | RF1355 |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 390.0 MHz SAW Fil |
| 中文描述： | 390.0兆赫鋸費爾 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 147K |
| 代理商： | RF1355 |
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
RF1355-010505
Page 1 of 2
Electrical Characteristics
Characteristic
Sym
f
C
f
C
IL
BW
3
Notes
Minimum
389.900
Typical
Maximum
390.100
±100
5.0
550
Units
MHz
kHz
dB
kHz
Nominal Frequency
1, 2
Tolerance from 390.0 MHz
Insertion Loss
3 dB Bandwidth
Rejection
1
1, 2
330
40
15
-35
at fc -21.4 MHz (Image)
at fc -10.7 MHz (LO)
Operating Case Temperature
Turnover Temperature
Turnover Frequency
1
dB
Temperature
T
C
T
O
f
O
3,4
+85
°C
°C
MHz
ppm/°C
2
ppm/yr
25
f
C
Freq. Temp. Coefficient
Absolute Value during the First Year
FTC
0.032
≤
10
Frequency Aging
Lid Symbolization (in addition to Lot and / or Date Codes)
[fA]
5
RFM RF1355
TO39-3 Case
Ideal for 390.0 MHz Transmitters
Very Low Series Resistance
Quartz Stability
Rugged, Hermetic, Low-Profile TO39 Case
Complies with Directive 2002/95/EC (RoHS)
The RF1355 is a true one-port. surface-acoustic-wave (SAW) filter in a low-profile TO39 case. It provides
reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmiters operating at
390.0 MHz.
Absolute Maximum Ratings
Rating
Value
+5
±30
-40 to +85
Units
dBm
VDC
°C
CW RF Power Dissipation (See: Typical Test Circuit)
DC Voltage Between Any Two Pins (Observe ESD Precautions)
Case Temperature
390.0 MHz
SAW Filter
RF1355
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, decreasing significantly 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 less than the resonator f
C
.
One or more of the following United States patents apply: 4,454,488 and 4,616,197 and others pending.
Typically, equipment designs utilizing this device require emissions testing and government 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 subject 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
.
Turnover temperature, T
O
, is the temperature of maximum (or turnover) frequency, f
O
. The nominal frequency at any case temperature, T
C
, may be calculated from:
f = f
O
[1 - FTC (T
O
-T
C
)
2
]. Typically,
oscillator
T
O
is 20°C less than 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 (nonmo-
tional) capacitance between pin1 and pin 2 measured at low frequency (10 MHz) with a capacitance meter. The measurement includes case parasitic capacitance with a
floating case. For usual grounded case applications (with ground connected to either pin 1 or pin 2 and to the case), add approximately 0.25 pF to C
O
.
2.
3.
4.
5.
6.
7.
8.
9.
Pb
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