Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
5-2.Electronic Characteristics
Reference temperature:
Characteristic
Centre Frequency
(Centre frequency between 3dB points)
Minimum insertion Loss
433.80 …. 434.12 MHz
3dB Pass bandwidth (relative to IL
min
)
Pass band (relative to IL
min
)
433.76 …. 434.08 MHz
433.74 …. 434.10 MHz
433.68 …. 434.16 MHz
Relative attenuation (relative to IL
min
)
10.00 …. 414.00 MHz
414.00 …. 428.00 MHz
428.00 …. 432.84 MHz
434.92 …. 442.00 MHz
442.00 …. 550.00 MHz
550.00….1000.00 MHz
fC
IL
min
BW
3
--
670
--
--
--
45
35
15
10
35
45
T
A
= -45 …. +95 °C
Minimum
Typical
433.920
2.0
730
1.0
1.0
1.5
50
40
20
15
40
50
4.0
790
2.0
3.0
6.0
--
--
--
--
--
--
Maximum
Units
MHz
dB
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling
!
1.
2.
3.
4.
5.
6.
The frequency f
C
is defined as the midpoint between the 3dB frequencies.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture that is
connected to a 50
Ω
test system with VSWR≤1.2:1. The test fixture L and C are adjusted for minimum insertion
loss at the filter centre frequency, f
C
. Note that insertion loss, bandwidth, and passband shape are dependent on
the impedance matching component values and quality.
Unless noted otherwise, specifications apply over the entire specified operating temperature range.
The specifications of this device are based on the test circuit shown above and subject to change or
obsolescence without notice.
All equipment designs utilizing this product must be approved by the appropriate government agency prior to
manufacture or sale.
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.
In keeping with our ongoing policy of product evolvement and improvement, the above specification is subject to change without notice.
ISO9001: 2000 Registered - Registration number 6830/2
For quotations or further information please contact us at:
3 The Business Centre, Molly Millars Lane, Wokingham, Berks, RG41 2EY, UK
Issue : 1 C1
Date : SEPT 04
3 OF 3
ACT [ ADVANCED CRYSTAL TECHNOLOGY ]
