TFS402 Datasheet PDF - Vectron International
| Part Number | TFS402 | |
| Description | Filter Specification | |
| Manufacturers | Vectron International | |
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Tfs402.doc
VI TELEFILTER
Filter Specification
Version 2.0
TFS 402
17.04.2000
1/5
1. Measurement condition
Ambient temperature TA:
Input power level:
Terminating impedances in fc:
25 °C
0 dBm
for input:
for output:
50 Ω 0 pF.
50 Ω 0 pF.
2. Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 402 is the minimum of the pass band attenuation amin. The minimum of the pass band
attenuation amin is defined as the insertion loss ae. The reference frequence fc is the arithmetic mean value of the upper and lower frequencies at
the 6 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 402,76 MHz without tolerance. The given
values for the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency
www.DataSheet4U.cfcoims shifted due to a production tolerance for the centre frequency fc.
Data
typ. value
tolerance / limit
Insertion loss (Reference level) ae
Nominal frequency fN
Reference frequency fc at ambient temperature (fCTA)
Pass band (-1 dB) in the operating temperature range:
Amplitude ripple in pass band (p-p):
with sliding interval 1 MHz in pass band (p-p):
max 24 dB
402,76 MHz
402,76 ± 1 MHz
fN - 15,25 MHz ... fN + 15,25 MHz
- max. 1,0 dB
- max. 0,5 dB
Relative attenuation
fN
fN ± 24,5
fN - 401
fN + 100
MHz
MHz
MHz
arel
fN ± 15,25 MHz
fN ± 100 MHz
fN - 100 MHz
fN + 600 MHz
Group delay
Deviation from linear phase in pass band (p-p):
-
-
-
470 µs
max. 1
min. 38
min. 25
min. 25
dB
dB
dB
dB
-
max. 4,5 °
The part will not show any critical pyroelecric effect for temperature changes of
0,5 °C / min
Temperature coefficient of frequency ( Tcf )
- 72
Frequency deviation of fc over temperature T:
∆fc(Hz) = Tcf(ppm/K) x (T - TA) x fCTA (MHz)
Operating temperature range
to work without damage
- 40 °C ... + 85 °C
Storage temperature range
- 40 °C ... + 85 °C
ppm/°C
Responsible:
Generated:
Checked / approved :
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: [email protected]
E-Mail: [email protected]
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER 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
|
| |
 
Tfs402.doc
VI TELEFILTER
Filter Specification
Version 2.0
TFS 402
17.04.2000
5/5
History
Version Reason of Changes
Name
2.0 (former development specification version1.2 changed)
- insertion loss, 23dB!24dB
Steiner
- weekly date code introduced
- pass band spec and stopband attenuation spec changed to be valid at
room temperature only (frequency drift already included in customer limit scheme)
Date
17.04.2000
www.DataSheet4U.com
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: [email protected]
E-Mail: [email protected]
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER 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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