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參數資料
| 型號： | TFS65 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter specification |
| 中文描述： | 1 FUNCTIONS, 65.9 MHz, SAW FILTER |
| 文件頁數： | 1/3頁 |
| 文件大小： | 38K |
| 代理商： | TFS65 |
__________________________________________________________________________________
VI TELEFILTER
__________________________________________________________________________________
Filter specification
TFS 65
1/3
____________________________________________________________________________________________________________________________________________________________________________________________________________
VI TELEFILTER
Potsdamer Strae 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
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: vti@vtinh.com
1. Measurement condition
Package, pin connection and 50
matching network
see page 2.
Ambient temperature T
A
:
Input power level:
Terminating impedances at fc: for input:
23 °C
0 dBm (typ.)
Max 10 dBm.
≈
2650
-17,9 pF (has to be adjusted)
1950
-5,62 pF
for output:
2. Characteristics
Remark:
Reference level for the relative attenuation arel of the
TFD 65
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 frequency fc is the arithmetic mean value of the upper and lower
frequencies at the
20 dB
filter attenuation level relative to the insertion loss ae.
Data
typ. value
tolerance / limit
(Reference level)
Insertion loss
ae
23,2
dB
max 25
dB
at ambient temperature (f
CTA
)
Reference frequency fc
65,90
MHz
65,90 ± 0,2
MHz
Relative frequency distance of f
CTA
within one set of 3 filters
2nd filter with
f
COT
= 75,3 MHz ± 200 kHz
*)
f
CTA
= 87,1 MHz ± 200 kHz
3rd filter with
9400
21200
kHz
*)
kHz
max ± 20
max ± 20
kHz
kHz
1 dB - band width
3 dB - band width
20 dB - band width
_______40 dB - band width
3,52
3,64
3,97
4,11
MHz
MHz
MHz
MHz
Amplitude ripple (p-p):
fc ... fc ± 1,7 MHz
0,5
dB
max 1,0
dB
Relative attenuation
fc
fc ± 1,7
fc ± 2,1
In the frequency range fc ± 2,1 MHz ... fc ± 25 MHz the limit line is of type SLOPING LINE.
fc ± 25
MHz
MHz
fc ± 50
MHz
________fc ± 25
arel
fc ± 1,7
fc ± 1,8
MHz
MHz
-
-
dB
max 1
max 3
min 40
dB
dB
dB
MHz
MHz
42
65
75
dB
dB
min 50
dB
-
Group delay (mean value in BW(-3dB) )
3,92
μs
max 5,0
μs
Group delay ripple (p-p):
fc ... fc ± 1,8 MHz
± 75
ns
± max 100
ns
fc ... fc ± 1,6 (1,8) MHz
Deviation from linear phase (p-p):
2° (3,8°)
Triple transit attenuation compared to main signal
50
dB
Input/Output return loss with matching network (S11/S22):
4,0/2,4
dB
Crosstalk
67
dB
Substrate material
Quartz
Frequency inversion temperature ( T
o
)
____________________________________________________________________________________________________________________________________________________________________________________________________________
Temperature coefficient of frequency ( Tc
f
)
____________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________
Operating temperature range
Storage temperature range
*)
For the 2nd filter f
COT
is its reference frequency f
C
at the operation temperature OT = 70 °C ± 1 °C. The reference frequency
at ambient temperature f
CAT
for this 2nd filter and the from it resulting relative frequency distance have to be determined.
Responsible:
Generated: Weinberg
15°
-0,054 ppm/K2
f
(ppm/K) x (T - T
o
)2 x f
CTA
(MHz)
- 25 °C ... + 80 °C
- 40 °C ... + 85 °C
Checked/Approved: Dr. Bert Wall
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