tfs270a1 Vectron International, Inc., tfs270a1 Datasheet

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tfs270a1

Manufacturer Part Number
tfs270a1
Description
Vi Telefilter Saw Filter
Manufacturer
Vectron International, Inc.
Datasheet
1.TFS270A1.pdf (4 pages)
TFS270A1.doc
__________________________________________________________________________________________________________
VI TELEFILTER
__________________________________________________________________________________________________________
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance input:
Terminating impedance output: 510
ext. coil pin4:
Construction
see page 2
Characteristics
Remark:
Reference level for the relative attenuation a rel of the TFS 270A1 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 nominal frequency f N is fixed on 270,000 MHz without
tolerance. The values of the pass band ripple and the relative attenuation a rel are guaranteed in the whole operating temperature
range. The frequency shift of the filter in the operating temperature range is included in the measurement tolerance scheme.
P r e l i m i n a r y D a t a
__________________________________________________________________________________________________________
Insertion loss
(Reference level)
__________________________________________________________________________________________________________
Nominal frequency
__________________________________________________________________________________________________________
Pass band ripple
f N - 70 kHz ... f N + 70 kHz
f N - 90 kHz ... f N + 90 kHz
__________________________________________________________________________________________________________
Relative attenuation
270,0 MHz ± 400
270,0 MHz ± 600
270,0 MHz ±
__________________________________________________________________________________________________________
Group delay distortion
270,0 MHz ± 70
__________________________________________________________________________________________________________
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.
1,0 MHz ... 270,0 MHz ± 30
kHz ... 270,0 MHz ± 600
kHz ... 270,0 MHz ±
kHz
23
a e = a min
f N
a rel
GDD
0 dBm
82 nH
C
|| -1.75 pF
510
TC f
1,0 MHz
|| -1.75 pF
SAW filter specification
kHz
MHz
+ 25
typ. value
- 0,036 ppm/K²
30
40
50
3
0,5
1,0
0,5
-
dB
dB
dB
dB
µs
°C
- 20 C ... + 85 C
- 30 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 270A1
max 5
max 2
max 3
min 20
min 27
min 40
max 2
270,000 MHz
-
-
dB
dB
dB
dB
dB
dB
s
Version 1.0
1/4

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tfs270a1 Summary of contents

Page 1

... TFS270A1.doc __________________________________________________________________________________________________________ VI TELEFILTER __________________________________________________________________________________________________________ Measurement condition Ambient temperature Input power level: 0 dBm Terminating impedance input: Terminating impedance output: 510 || -1.75 pF ext. coil pin4 Construction see page 2 Characteristics Remark: Reference level for the relative attenuation a rel of the TFS 270A1 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

... TFS270A1.doc __________________________________________________________________________________________________________ VI TELEFILTER __________________________________________________________________________________________________________ Construction and pin configuration (All dimensions in mm) 1 Output 3 Ground 5 Ground 6 Ground 7 Input 9 Ground 10 Ground 11 Ground 12 Ground 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

... TFS270A1.doc __________________________________________________________________________________________________________ VI TELEFILTER __________________________________________________________________________________________________________ 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 500 Hz, 0.35 mm amplitude, 5g; 2 hours for 3 planes; IEC Damp heat rel. humidity, 40 ° ...

Page 4

... TFS270A1.doc __________________________________________________________________________________________________________ VI TELEFILTER __________________________________________________________________________________________________________ Air reflow temperature conditions 1st and 2nd air reflow profile Name: pre-heating periods Temperature: 150 °C - 170 °C Time: 60 sec sec. 260 240 220 200 180 160 140 120 100 Table for temperature vs. time during the air reflow process time / sec. temperature / ° ...

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