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315.0 MHz
Absolute Maximum Ratings
SAW Filter
Rating
Input Power Level
DC Voltage
Storage Temperature
Operable Temperature Range
Soldering Temperature (10 seconds / 5 cycles max.)
Electrical Characteristics
Value
10
12
-40 to +125
-40 to +125
260
Units
dBm
VDC
°C
°C
°C
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Center Frequency at 25°C
Insertion Loss
Absolute Frequency
f c
IL MIN
1, 2, 3
1, 3
314.85
315.00
2.3
315.15
3.0
MHz
dB
Passband Ripple (Relative to IL MIN ) Fc ±200kHz
1, 3
0.5
1.4
dB
3 dB Bandwidth
BW 3
1, 3
500
600
800
kHz
Rejection Attenuation: (relative to ILmin)
10 - 295 MHz
295 - 305 MHz
305 - 310 MHz
310 - 313 MHz
44
39
27
17
49
44
30
20
313 - 314 MHz
316 - 320 MHz
320 - 325 MHz
325 - 335 MHz
335 - 600 MHz
600 - 1000 MHz
1, 3
7
9
16
32
42
55
10
12
20
36
45
60
dB
Temperature
Freq. Temp. Coefficient
FTC
0.032
ppm/°C 2
Frequency Aging
Impedance @ fc
Absolute Value during the First Year
Input Z IN =R IN llC IN
Output Z OUT =R OUT llC OUT
lfAl
Z IN
Z OUT
5
1
≤ 10
1.92k ? //5.93pf
1.28k ? //6.09pf
ppm/yr
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 ? test system with
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, f c . Note that insertion loss and band-
width and passband shape are dependent on the impedance matching component values and quality.
The frequency f c is defined as the midpoint between the 3dB frequencies.
Where noted specifications apply over the entire specified operating temperature range of -40°C to +125°C.
The 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 ].
Frequency aging is the change in fc 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 design, manufacturing process, and specifications of this device are subject to change.
One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
RF Monolithics, Inc.
RFM Europe
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
Page 2 of 5
?1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RF1417D_TD-050807
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