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Temwell
is the Best of Customized RF Band Pass Filters and Duplexers Expert''
Temwell
parts all are RoHS components.
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Support >Helical Filter Special Feature |
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Temwell BandPass Helical Filter
Special Feature
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| Centre
Freq. (Fo) |
:
45~2600 MHz |
| Bandwidth
(-3BW) |
: 2~200
MHz |
| Series |
:
7H,7S,5W,5R |
| Pole |
: 2~5
pole |
| Terminator |
: Pin
Type |
| Impedance |
: 50£[,75£[ |
| Temperature |
:
-30∘C ~ +80∘C |
| Input
Power |
: 0.5~4
Watts |
| Centre
Freq. |
:
Tunable |
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 User Tunable
Range |
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Special 1:
User Tunable
Range
¡@
Series:
Temwell all Helical Filter Products
Feature
Description:
Temwell Helical Filter accept that users can proceed Center Frequency
self tuning. The acceptance
tuning range will be +/-1MHz ~
+/-10MHz.
Users can make slightly adjustment by their
own, which can save a lot time and cost in developing new project.
As Curve, Fo1 can be tuned by users to Fo2 or Fo3 without any spec change, Curve Performance
move with the same Specification.
¡@
Note:
User Tuning range is depend on the practical spec sheet. ¡@
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Frequency Customized Range |
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Special
2: Frequency Customized Range
Series:
Temwell all Helical Filter Products
Feature Description:
Temwell
Frequency Customized Design provide Center
Frequency indicating
adjustment during 50MHz band range with the same specification
as following, such as, BW, IL, Attenuation, Ripple, etc. Temwell
can make adjustment
and move the entire curve to any point of
customer-required Fo.
This is Temwell exclusive technology all over the world.
Welcome request any Fo change.
¡@
Note:
You can find the acceptable customized range in all Temwell Catalog.
Please indicate the Center Frequency by the
range.
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Great Isolation
(DC to 2.8G Span) |
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Special 3:
Great Isolation
(DC to 2.8G Span)
Series:
Temwell all Helical Filter Products
Feature Description:
Temwell Helical Filter can
support the great isolation during DC-2.8G up Span.
As curve show, there is no any 2nd/ 3rd Harmonics from DC to 2.8G, and also
Temwell Helical Filter perform at least 30 dB
Attenuation for any special requirement.
¡@
Note:
The reference specification is as following.
Temwell 4pole series, Fo=850MHz,
B.W.=100MHz,
I.L.=1.0 dB,
Group Delay<10nsec, Span=DC-2.8G,
Attenuation = Min 30
dB¡@
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Great Group Delay (<10
nsec) |
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Special
4: Great Group Delay (<10
nsec)
¡@
Series:
Temwell all Helical Filter Products
Feature Description:
Temwell Helical Filter has great performance in Group Delay.
As curve show, there is only 6.0-8.6nsec in Group Delay, which is less than
10 nsec. It is very good performance than any other kind of RF filter in the world.
¡@
Note:
The reference specification is as following.
Temwell 4pole series, Fo=850MHz, B.W.=100MHz,
I.L.=1.0 dB,
Group Delay<10nsec, Span=DC-2.8G,
¡@ |
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The
Expert of the RF Band Pass Filter design& manufacturer, RF Diplexer
&Duplexer, RF 50 ohm& 75ohm Filter, RF Tunable Filter
¡@
Temwell
Corporation / Temstron Co., Ltd.
8F-1,No.51, Sec.1,Min Sheng E. Rd.,Taipei, Taiwan
Tel:886-2-25652500 ( 7 Line ) Fax: 886-2-25515250
/ 886-2-25652287
E-Mail
: sales@temwell.com.tw
Copyright © 2009 Temwell Corporation. All rights reserved
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