ACT ACTX2748D

Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
Bandpass Filter for Digital Terrestrial TV Applications
36.17 MHz
ACTX2748D/36.17/SIP5D
Features
n IF filter for digital TV
n Switchable between two bandwidths
n Optimised for cascade of two devices
n Plastic Package
Package Dimension
Pin Configuration
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
Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
Performance
Maximum Ratings
Rating
Operable Temperature Range
TA
Value
-25 to +65
Unit
°C
Storage Temperature Range
Tstg
-40 to +85
°C
DC Voltage (between any terminals)
VDC
5
V
AC Voltage (between any terminals)
VPP
10
V
Characteristics of channel 1 (switching pin 2 connected to ground)
Reference temperature:
TA = 25 °C
Terminating source impedance:
ZS = 50 Ω
Terminating load impedance:
ZL = 2 kΩ || 3 pF
Item
min.
typ.
max.
Insertion attenuation
Unit
IL
Reference level for
the following data
36.17
MHz
Pass bandwidth
αrel ≤ 1.5 dB
αrel ≤ 3 dB
αrel ≤ 15 dB
αrel ≤ 30 dB
Relative attenuation
Lower sidelobe
Upper sidelobe
BW1.5
BW3
BW15
BW30
αrel
25.00 ... 31.15 MHz
41.15 ... 42.00 MHz
42.00 ... 45.00 MHz
Reflected wave signal suppression
1.1 μs ... 6.0 μs after main pulse
(test pulse 250 ns,
carrier frequency 36.17 MHz)
19.5
21.0
22.5
dB
7.2
7.7
8.6
8.8
7.5
8.0
8.9
9.4
7.8
8.3
9.2
10.0
MHz
MHz
MHz
MHz
28.0
27.0
24.0
34.0
33.0
30.0
—
—
—
dB
dB
dB
42.0
50.0
—
dB
—
50.0
—
dB
—
50
—
ns
—
–72
—
ppm/K
Feed-through signal suppression
1.3 μs ... 1.2 μs before main pulse
(test pulse 250 ns,
carrier frequency 36.17 MHz)
Group delay ripple (p-p)
Δτ
32.25 … 40.05 MHz
Temperature coefficient of frequency
TCf
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
Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
Characteristics of channel 2 (switching pin 2 connected to pin 1)
Reference temperature:
TA = 25 °C
Terminating source impedance:
ZS = 50 Ω
Terminating load impedance:
ZL = 2 kΩ || 3 pF
Item
Insertion attenuation
min.
typ.
max.
Unit
19.5
21.0
22.5
dB
6.4
6.7
7.7
7.9
6.7
7.0
8.0
8.5
7.0
7.3
8.3
9.1
MHz
MHz
MHz
MHz
28.0
27.0
34.0
32.0
—
—
dB
dB
42.0
50.0
—
dB
—
50.0
—
dB
—
50
—
ns
—
–72
—
ppm/K
IL
Reference level for
the following data
36.17
MHz
Pass bandwidth
αrel ≤ 1.5 dB
BW1.5
αrel ≤ 3 dB
BW3
αrel ≤ 15 dB
BW15
αrel ≤ 30 dB
BW30
Relative attenuation
αrel
Lower sidelobe
25.00 ... 31.55 MHz
Upper sidelobe
40.75 ... 45.00 MHz
Reflected wave signal suppression
1.1 μs ... 6.0 μs after main pulse
(test pulse 250 ns,
carrier frequency 36.17 MHz)
Feed-through signal suppression
1.3 μs ... 1.2 μs before main pulse
(test pulse 250 ns,
carrier frequency 36.17 MHz)
Group delay ripple (p-p)
Δτ
32.75 … 39.55 MHz
Temperature coefficient of frequency
TCf
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
Tel : +44 118 979 1238
Fax : +44 118 979 1283
Email: info@actcrystals.com
Frequency Response
Channel 1 (switching pin 2 connected to ground)
Channel 2 (switching pin 2 connected to pin 1)
iCAUTION: Electrostatic Sensitive Device. Observe precautions for handling!
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