The reference level for the relative attenuation arel of the TFS 426C is the minimum of the pass band attenuation. This value is defined as the insertion
loss ae. The nominal frequency fN is fixed at 426,075 MHz without any tolerance. The values of relative attenuation arel are guaranteed for the whole
operating temperature range. The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme.
Data
Insertion loss
(reference level)
Nominal frequency
Centre frequency
Passband
Pass band ripple
Relative attenuation
f
N
f
N
f
N
f
N
f
N
f
N
-
-
-
+
+
+
6,25
419,20
4,20
2,30
3,80
8,80
kHz
MHz
MHz
MHz
MHz
MHz
… f
N
…
…
…
…
…
f
N
f
N
f
N
f
N
f
N
+
-
-
+
+
+
6,25
4,20
1,70
3,80
8,80
70,80
p-p
arel
kHz
MHz
MHz
MHz
MHz
MHz
ae = amin
typ. value
1,8
-
426,075
-
0,07
dB
MHz
dB
tolerance / limit
max.
3,0
dB
f
N
f
C
PB
426,075 MHz
-
f
N
± 6,25 kHz
max.
1,0
dB
0,07
49
40
33
37
43
-
dB
dB
dB
dB
dB
dB
max.
min.
min.
min.
min.
min.
max.
1,0
40
25
30
25
35
10
dB
dB
dB
dB
dB
dB
dBm
Input power level
Operating temperature range
Storage temperature range
Frequency inversion temperature
Temperature coefficient of frequency
TCf **
OTR
-
-
36,0
-0,036
°C
ppm/K
2
- 40 °C ... + 85°C
- 45 °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.
**)
∆f(Hz)
= TCf(ppm/K
2
) x (T-T
0
)
2
x fcat(MHz).
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
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.
Filename: tfs 426c.doc
Version 1.1
17.08.2006
VI
TELEFILTER
Filter characteristic
0
-10
Filter specification
TFS 426C
2/5
0
-0.5
-20
-30
-40
-50
-1
-1.5
-2
-2.5
magnitude in dB
magnitude in dB
-60
-70
-80
-90
-3
-3.5
-4
-4.5
-100
100
200
300
400
500
frequency in MHz
600
700
800
-5
425.7
425.8
425.9
426
426.1
frequency in MHz
426.2
426.3
426.4
Construction and pin connection
(All dimensions in mm)
7
5
426C
●
U33
1
3
1
2
3
4
5
6
7
8
Date code
Input
Input RF Return
Ground
Ground
Output
Output RF Return
Ground
Ground
2,54
1
3
1,2 Max.
SQ 3,81 +0,2/-0,1
Date code:
U
V
W
...
Year + week
2006
2007
2008
%
d
12
0%
7
1,78
5
50
Ω
Test circuit
L1
1
2
C1
3, 4, 7, 8
SAW
5
6
C2
0,1
1,78
0,6
L2
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
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.
Filename: tfs 426c.doc
Version 1.1
17.08.2006
VI
TELEFILTER
Stability characteristics, reliability
Filter specification
TFS 426C
3/5
After the following tests the filter shall meet the whole specification:
1. Shock:
2. Vibration:
3. Change of
temperature:
4. Resistance to
solder heat (reflow):
500g, 1 ms, half sine wave, 3 shocks each plane;
DIN IEC 68 T2 - 27
10 Hz to 500 Hz, 0,35 mm or 5 g respectively, 1 octave per min, 10 cycles per plan, 3 plans;
DIN IEC 68 T2 - 6
-55 °C to 125°C / 30 min. each / 10 cycles
DIN IEC 68 part 2 – 14 Test N
reflow possible: three times max.;
for temperature conditions refer to the attached "Air reflow temperature conditions" on page 4;
This filter is RoHS compliant (2002/95/EG, 2005/618/EG)
Packing
Tape & Reel:
IEC 286 – 3, with exception of value for N and minimum bending radius;
tape type II, embossed carrier tape with top cover tape on the upper side;
max. pieces of filters per reel:
reel of empty components at start:
reel of empty components at start including leader:
trailer:
Pull Off Direction
3000
min. 300 mm
min. 500 mm
min. 300 mm
Tape (all dimensions in mm)
W
: 12,00 ± 0,3
Po
: 4,00 ± 0,1
Do
: 1,50 +0,1/-0
E
: 1,75 ± 0,1
F
: 5,50 ± 0,05
G(min)
: 0,75
P2
: 2,00 ± 0,05
P1
: 8,00 ± 0,1
D1(min)
: 1,50
Ao
: 4,30 ± 0,1
Bo
: 4,30 ± 0,1
Ct
: 9,5 ± 0,1
P1
Date Code
t
Do
Po
P2
E
G
Ct
Bo
F
Ko
Typ
PIN Marker
D1
Ao
W 2
Reel (all dimensions in mm)
A
: 330
W1
: 12,4 +2/-0
W2(max) : 18,4
N(min)
: 50
C
: 13,0 +0,5/-0,2
A
C
N
W 1
The minimum bending radius is 45 mm.
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
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.
G
W
Filename: tfs 426c.doc
Version 1.1
17.08.2006
VI
TELEFILTER
Air reflow temperature conditions
Filter specification
TFS 426C
4/5
Conditions
Average ramp-up rate (30°C to 217°C)
> 100°C
> 150°C
> 217°C
Peak temperature
Time within 5°C of actual peak temperature
Cool-down rate (Peak to 50°C)
Time from 30°C to Peak temperature
Exposure
less than 3°C/second
between 300 and 600 seconds
between 240 and 500 seconds
between 30 and 150 seconds
max. 260°C
between 10 and 30 seconds
less than 6°C/second
no greater than 300 seconds
Chip-mount air reflow profile
Temperature / °C
max. 260°C
217°C
max. 300 s
10 ... 30 s
30 ... 150 s
Time / s
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
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.
Filename: tfs 426c.doc
Version 1.1
17.08.2006
VI
TELEFILTER
History
Version
1.0
1.1
Filter specification
TFS 426C
5/5
Reason of Changes
- Generation of development specification
- Add typical values, add filter characteristic
- Change test circuit, generation of filter specification
Name
Strehl
Channaa
Date
09.09.2005
17.08.2006
Tele Filter GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
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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