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參數(shù)資料
| 型號(hào)： | TFS112G |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | VI SAW濾波器(VI SAW Filter) |
| 中文描述： | 1 FUNCTIONS, 112.32 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大小： | 62K |
| 代理商： | TFS112G |
tfs112g.doc
VI
TELEFILTER
version1.1
31.10.00
Filter Specification
TFS 112 G - 1/4
____________________________________________________________________________________________________
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
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 112 G is the minimum of the passband attenuation amin. The minimum of the passband
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 30
dB filter attenuation level relative to the insertion loss ae.
D a t a
23 °C
0
for input:
for output:
dBm.
532
- 6,67 pF.
614
- 6,15 pF.
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
13,5
dB
max. 14
dB
Reference frequency
fc (30 dB-BW)
112,32
MHz
± 35
kHz
Bandwidth
at ambient temperature
:
1,5 dB bandwidth
3 dB bandwidth
10 dB bandwidth
20 dB bandwidth
30 dB bandwidth
40 dB bandwidth
Relative attenuation
fc
....fc ± 475
.fc ± 475 kHz....fc ± 815
fc ± 1175 kHz....fc ± 1300
fc ± 1300 kHz....fc ± 1475
fc ± 1475 kHz fc ± 5,0
Narrowband spurious resonances (3 dB-BW < 100 kHz)
fc + 5 MHz .... fc + 7,50 MHz
fc + 7,50 MHz .... fc + 17,28 MHz
fc + 17,28 MHz
Average group delay in
fc ....fc ± 800 kHz
:
Group delay ripple in
fc ....fc ± 800 kHz
:
770
1045
1722
2170
2450
2660
kHz
kHz
kHz
kHz
kHz
kHz
-
-
-
-
-
-
arel
kHz
kHz
kHz
kHz
MHz
-
-
-
-
dB
max. 3
max. 10
min. 20
min. 30
min. 40
dB
dB
dB
dB
dB
> 45
33
dB
min. 27
dB
> 35
48
1,35
dB
dB
μs
min. 30
min. 40
dB
dB
150
ns
max 300
ns
Temperature coefficient
TCf 1st order (-20 °C ... + 85 °C)
*)
Temperature coefficient
TCf 2nd order (-20 °C ... + 85 °C)
**)
Frequency inversion temperature
To
0
ppm/K
max. ± 7,5 ppm/K
- 0,036
ppm/K2
-
+ 40
°C
-
Operating temperature range
- 20 °C ... + 85 °C
Storage temperature range
- 25 °C ... + 90 °C
Input power level
-
max. + 10
dBm
Permissible DC voltage
VDC
-
12
V
Permissible AC voltage
Vpp
-
10
V
*)
f(Hz) = TCf(ppm/K) x
T x fT(MHz)
**)
f(Hz) = TCf(ppm/K2) x (T - To)2 x fTo(MHz)
Generated:
Wadim P. Dunzow
Checked/Approved:
Dr. Bert Wall
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