tfs241 Vectron International, Inc., tfs241 Datasheet

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tfs241

Manufacturer Part Number
tfs241
Description
Filter Specification
Manufacturer
Vectron International, Inc.
Datasheet
1.TFS241.pdf (4 pages)
tfs241.doc
______________________________________________________________________________________________________
TELE FILTER tft GmbH
______________________________________________________________________________________________________
Measurement condition
Ambient temperature:
Input power level:
Source impedance:
Load impedance:
Ext coil:
Construction
see page 2
Characteristics
Remark:
Reference level for the relative attenuation a rel of the TFS 241 is the minimum of the pass band attenuation a min . The minimum of the pass band
attenuation a min is defined as the insertion loss a e . The centre frequency f o is the arithmetic mean value of the upper and lower frequencies at the 3
dB filter attenuation level relative to the insertion loss a e . The nominal frequency f N is fixed on 241 MHz without tolerance. The given values for the
relative attenuation a rel and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency f o is shifted
due to the temperature coefficient of frequency TC f in the operating temperature range and due to a production tolerance for the centre frequency f o .
D a t a
______________________________________________________________________________________________________
Insertion loss
(Reference level)
______________________________________________________________________________________________________
Nominal frequency
______________________________________________________________________________________________________
Pass band ripple
f N - 70 kHz ... f N + 70 kHz
______________________________________________________________________________________________________
Relative attenuation
f N
f N ±
f N ±
f N ±
f N ±
f N ±
f N ±
______________________________________________________________________________________________________
Group delay distortion
f N ±
______________________________________________________________________________________________________
Operating temperature range
Storage temperature range
______________________________________________________________________________________________________
Temperature coefficient of frequency
______________________________________________________________________________________________________
Frequency inversion temperature
______________________________________________________________________________________________________
Generated:
Checked / approved:
______________________________________________________________________________________________________
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / 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.
330
400
600
10
70
1,6 MHz ... f N ±
3
...
kHz ... f N ±
kHz ... f N ±
kHz ... f N ±
MHz ... f N ±
MHz ... f N ±
kHz
-10 dBm
23
580
580
140 nH
a e = a min
f N
a rel
GDD
f N ±
C
|| -1,4 pF
|| -1,4 pF
TC f
400
600
70
10
25
1,6 MHz
3
SAW filter specification
kHz
kHz
kHz
MHz
MHz
MHz
+ 25
version1.0
typ. value
- 0,036 ppm/K²
28
40
52
55
60
55
3,9
0,5
0,5
0,5
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
°C
- 20 C ... + 70 C
- 40 C ... + 85 C
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: vti@vtinh.com
tolerance / limit
TFS 241
min 18
min 28
min 40
min 48
min 50
min 45
max 5
max 2
max 2
max 1,5
241,000 MHz
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
s
06.01.02
1/4

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tfs241 Summary of contents

Page 1

... TELE FILTER tft GmbH ______________________________________________________________________________________________________ Measurement condition Ambient temperature Input power level: -10 dBm Source impedance: 580 || -1,4 pF Load impedance: 580 || -1,4 pF Ext coil: 140 nH Construction see page 2 Characteristics Remark: Reference level for the relative attenuation a rel of the TFS 241 is the minimum of the pass band attenuation a min . The minimum of the pass band attenuation a min is defined as the insertion loss a e ...

Page 2

... TELE FILTER tft GmbH ______________________________________________________________________________________________________ Construction and pin configuration (All dimensions in mm 241 L3 1 Pin 1 Pin 2 Pin 3 Pin 4 50 Ohm Test circuit 1 L1 LB- Ohm Test circuit 2 C1 LB-IN C3 ______________________________________________________________________________________________________ VI TELEFILTER Potsdamer Straß 513 TELTOW / Germany Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30 E-Mail: tft@telefilter ...

Page 3

... TELE FILTER tft GmbH ______________________________________________________________________________________________________ Stability characteristics After the following tests the filter shall meet the whole specification: 1. Shock: 100g, 18 ms, half sine wave, 3 shocks each plane; IEC Vibration 150 Hz, 0.35 mm amplitude, 5g; 2 hours for 3 planes; ...

Page 4

... TELE FILTER tft GmbH ______________________________________________________________________________________________________ Air reflow temperature conditions 1st and 2nd air reflow profile Name: Temperature: Time: 260 240 220 200 180 160 140 120 100 Table for temperature vs. time during the air reflow process time / sec ...

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