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TFS340

Description
Filter specification
CategoryAnalog mixed-signal IC    filter   
File Size58KB,5 Pages
ManufacturerVectron International, Inc.
Websitehttp://www.vectron.com/
Environmental Compliance
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TFS340 Overview

Filter specification

TFS340 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerVectron International, Inc.
Reach Compliance Codecompli
Other featuresTAPE AND REEL
Center frequency or cutoff frequency (fo/fc)340 MHz
filter typeSAW FILTER
high1.8 mm
input resistance162 OHM//-0.5 pF
Maximum insertion loss3 dB
JESD-609 codee4
length5 mm
Installation typeSURFACE MOUNT
Number of functions1
Number of terminals8
Maximum operating temperature75 °C
Minimum operating temperature-25 °C
Output impedance162 OHM//-0.5 pF Ω
Packaging MaterialsCERAMIC
physical sizeL5XB5XH1.8 (mm)
Terminal surfaceGold (Au) - with Nickel (Ni) barrie
width5 mm
TFS340.doc
version 1.1
11.02.03
VI TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Input impedance*):
Output impedance:
23
°C
0 dBm
162
// -0.5 pF
162
// -0.5 pF
Filter specification
TFS
340
1/5
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 340 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 centre frequency f
C
is the arithmetic mean value of the upper and lower frequencies at
the 3dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 340,0 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 even if the centre frequency f
C
is
shifted due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the centre
frequency f
C
.
Data
Insertion loss
(Reference level)
Nominal frequency
Centre frequency
Pass band ripple
fN ± 10 MHz
Relative attenuation
fN
fN
fN
fN
fN
-
80,0
-
35,0
+ 25,0
+ 57,5
+ 127,5
MHz ... fN
MHz ... fN
MHz ... fN
MHz ... fN
MHz ... fN
arel
- 100,0
- 55,0
+ 57,5
+ 82,5
+ 152,5
IP
3
MHz
MHz
MHz
MHz
MHz
ae = amin
fN
fc
typ. value
2,50
-
340,0 MHz
dB
tolerance / limit
max. 3,0
340,0
-
max. 3,0
dB**)
dB
MHz
55
60
25
55
60
-
-
dB
dB
dB
dB
dB
min.
min.
min.
min.
min.
50,0
30,0
20,0
40,0
57,0
dB
dB
dB
dB
dB
dBm **)
dBm
V
Intermodulation
Input power level
Permissible DC voltage
min. 20,0
max. 10,0
max. 12,0
V
DC
-
-
-65 ppm/K
-
Operating temperature range
Temperature coefficient of frequency Tcf
Storage temperature range
- 25
°C
... + 75
°C
-
- 40
°C
... + 85
°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.
**) -3 dB over
f
N
±
10 MHz at ambiente temperature (23 °C).
***) modulation signals:
f
N
+ 1 MHz and f
N
+ 2 MHz, each of 10 dBm
Generated:
Checked / approved:
TELEFILTER GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
I 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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Description Filter specification Filter specification

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