ACTF480-2 Datasheet, PDF (3/5 Pages) Advanced Crystal Technology – two channel IF filter for DSB receivers with constant group delay

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Characteristics of Channel2
Characteristic
Center Frequency
Insertion attenuation
479.50 MHz
(Reference level for the following data)
Pass bandwidth
α_rel≤3dB
fc
α
B_3dB
Relative attenuation
Lower sidelobe
Upper sidelobe
α_rel
470.50 MHz
488.50 MHz
430.00 ….457.50 MHz
500.50 … 530.00 MHz
Reflected wave signal suppression
0.13μs … 3.0μs after main pulse
Amplitude ripple (p-p)
476.00 … 483.00 MHz Δ α
Group delay ripple (p-p) 470.50 … 488.50 MHz Δτ
Temperature coefficient of frequency
TC_f
Min.
478.50
--
--
Typ.
479.50
Max.
480.50
Units
MHz
21.0
22.5
dB
18.0
--
MHz
--
3.5
4.5
dB
--
2.3
4.5
dB
32.0
38.0
--
dB
30.0
36.0
--
dB
40.0
44.0
--
dB
--
0.6
1.2
dB
--
11
18
ns
--
-86
--
ppm/K
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
http://www.actcrystals.com
Issue : 1 C1
Date : SEPT 04