Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
5-2.Electronic Characteristics
Characteristic
Minimum
Typical
Maximum
Unit
Centre Frequency
fC
(Centre frequency between 3dB points)
--
--
419.200
3.0
--
MHz
dB
Insertion Loss
IL
4.5
3dB Pass band
BW3
±600
38
kHz
at fC -21.4MHz (Image)
30
24
--
--
--
Rejection
dB
at fC -10.7MHz (LO)
Ultimate
32
60
--
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
TO
fO
25
55
°C
Temperature
fC
0.032
10
MHz
ppm/°C2
FTC
|fA|
Frequency Aging - Absolute Value during the First Year
ppm/yr
iCAUTION: Electrostatic Sensitive Device. Observe precautions for handling!
1. The frequency fC is defined as the midpoint between the 3dB frequencies.
2. 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, fC. Note that insertion loss, bandwidth, and passband shape are dependent on
the impedance matching component values and quality.
3. Unless noted otherwise, specifications apply over the entire specified operating temperature range.
4. 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.
5. 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].
6. The specifications of this device are based on the test circuit shown above and subject to change or
obsolescence without notice.
7. All equipment designs utilizing this product must be approved by the appropriate government agency prior to
manufacture or sale.
8. 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:
Issue : 1 C1
Date : SEPT 04
3 The Business Centre, Molly Millars Lane, Wokingham, Berks, RG41 2EY, UK
http://www.actcrystals.com
3 OF 3
ACT [ ADVANCED CRYSTAL TECHNOLOGY ]
