406.025 MHz SAW Filter
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Ideal Front-End Filter for Wireless Receivers
Low-Loss, Coupled-Resonator Quartz Design
Simple External Impedance Matching
SF5502
Ultra Miniature Ceramic QCC8C SMD Package
Absolute Maximum Rating (Ta=25°C)
Parameter
Rating
10
Unit
dBm
V
Input Power Level
DC Voltage
Pin
VDC
TA
12
Operating Temperature Range
Storage Temperature Range
-35 ~ +85
-40 ~ +85
°C
Tstg
°C
Electronic Characteristics
Parameter
Sym
Minimum
Typical
Maximum
NS
Unit
Center Frequency (25°C)
fC
NS
-
406.025
MHz
(center frequency between 3dB points)
Insertion Loss
4.0
300
-
5.0
dB
KHz
KHz
dB
IL
BW3
BW
∆α
3dB Bandwidth
-
fC ± 10
-
-
-
-
-
User Signal Bandwidth
Passband Ripple (fC ± 10KHz)
0.5
-
Stopbamd Attenuation
Temperature Stability
fC - 40 MHz
40
dB
αrel
Operating Temperature Range
Turnover Temperature
TC
TO
-35
25
-
-
+85
55
-
°C
°C
-
fC
Turnover Frequency
fO
KHz
Frequency Temperature Coefficient
FTC
-
-0.032
ppm/°C
ppm/yr
MΩ
Frequency Aging
Absolute Value during the First Year
|fA|
-
-
-
10
-
DC Insulation Resistance Between any Two Pins
-
1.0
NS = Not Specified
Notes:
1.
2.
The frequency fC is defined as the midpoint between the 3dB
frequencies.
5.
6.
Turnover temperature, T0, is the temperature of maximum (or
turnover) frequency, f0. The nominal frequency at any case
temperature, TC, may be calculated from: f = f0 [1 - FTC (T0 - TC)2].
Unless noted otherwise, all measurements are made with the filter
installed in the specified test fixture that is connected to a 50Ω test
system with VSWR ≤ 1.2:1. The test fixture L and C are adjusted
for minimum insertion loss at the filter center frequency, fC. Note
that insertion loss, bandwidth, and passband shape are dependent
on the impedance matching component values and quality.
The specifications of this device are based on the test circuit
shown above and subject to change or obsolescence without
notice.
7.
8.
All equipment designs utilizing this product must be approved by
the appropriate government agency prior to manufacture or sale.
3.
4.
Unless noted otherwise, specifications apply over the entire
specified operating temperature range.
Our liability is only assumed for the Surface Acoustic Wave (SAW)
component(s) per se, not for applications, processes and circuits
implemented within components or assemblies.
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 in subsequent years.
9.
For questions on technology, prices and delivery please contact
our sales offices or e-mail to sales@vanlong.com.
Phone: +86 10 6301 4184
Fax: +86 10 6301 9167
Email: sales@vanlong.com
Web: http://www.vanlong.com
SF5502
© August 2004 by Vanlong Technology Co., Ltd.