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TFS1748

Description
Vectron International Filter specification
File Size123KB,5 Pages
ManufacturerVectron
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TFS1748 Overview

Vectron International Filter specification

Filename: tfs 1748.doc
Version 1.4
09.06.2008
Vectron International
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
0
°C
dBm
Filter specification
TFS 1748
1/5
200
|| -0,41 pF
75
Characteristics
Remark:
The nominal frequency fN is fixed at 1748,0 MHz. The insertion loss ae is defined as loss value determined at fN. Reference level for the relative
attenuation arel of the TFS 1748 is the insertion loss ae
.
All specified data are met within the operating temperature range.
Data
Insertion loss
(reference level)
Nominal frequency
Passband
Pass band variation
Relative attenuation
0,3
862
1100
1840,5
1956.3
2150
3000
MHz
MHz
MHz
MHz
MHz
MHz
MHz
...
...
...
...
...
...
...
862
1100
1655,5
1956,3
2150
3000
6000
MHz
MHz
MHz
MHz
MHz
MHz
MHz
arel
ae
f
N
PB
typ. value
2,1
-
-
1,3
dB
f
N
dB
tolerance / limit
max.
3,0
1748,0
±
20,0
2,0
dB
MHz
MHz
dB
max.
64
56
46
42
47
40
29
dB
dB
dB
dB
dB
dB
dB
min.
min.
min.
min.
min.
min.
min.
55
46
43
33
43
33
15
dB
dB
dB
dB
dB
dB
dB
Group delay ripple
1729,8
MHz ...
1766,1
MHz
4
1,9:1
1,8:1
26
-
-
-
OTR
TCf **
-
-
-46
ppm/K
dB
ns
max.
max.
max.
max.
max.
max.
10
2,2 :1
2,2 :1
20
10
0
dB
dBm
V
ns
Input VSWR within PB
Output VSWR within PB
CMRR *** within PB
Input power level
Permissible DC voltage
Operable temperature range
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
- 30 °C ... + 80 °C
- 20 °C ... + 50 °C
- 50 °C ... +125 °C
-
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference
values only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.
**)
∆f(Hz)
= TCf(ppm/K) x (T-T
0
) x fTo(MHz)
***)CMRR : Common Mode Rejection Ratio
Generated:
Checked / Approved:
Vectron International GmbH & Co. KG
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@vectron.com
Vectron International GmbH & Co. KG reserves the right to make changes to the product(s) and/or information contained herein without
notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such
product(s) or information.

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