Quadruple Filter (7H4) for FCC/PAL Channel Filter (75£[)
FCC Channel Filter (75£[)

Temwell Part's No.

Acceptable 

specify Fo.in 

each Range

-3dB

B.W

IL dB

TP.

Atten.(tp)

Fo-( )M

/( )dB

Atten.(tp)

Fo+(  )M

/( )dB

Atten.

Fo¡Ó9MHZ/dB
TFL64249F-55.25M 46~55M 8M 3.5 (15)56.0 (15)41.0 >25.0
TFL64250F-61.25M 56~67M 8M 3.5 (9)29.0 (9)22.0 >25.0
TFL64251F-67.25M 56~67M 8M 4.0 (15)56.0 (15)42.0 >25.0
TFL64252F-77.25M 76~85M 8M 4.0 (15)52.0 (15)36.0 >25.0
TFL64253F-83.25M 76~85M 8M 4.0 (15)50.0 (15)39.0 >25.0
TFL64254F-175.25M 166~195M 8M 4.0 (15)49.0 (15)33.0 >20.0
TFL64255F-181.25M 166~195M 8M 4.0 (15)48.0 (15)31.0 >20.0
TFL64256F-187.25M 166~195M 8M 4.0 (15)45.0 (15)31.0 >20.0
TFL64257F-193.25M 166~195M 8M 4.0 (15)47.0 (15)33.0 >20.0
TFL64258F-199.25M 196~220M 8M 4.0 (15)44.0 (15)32.0 >20.0
TFL64259F-205.25M 196~220M 8M 4.0 (15)43.0 (15)31.0 >20.0
TFL64260F-211.25M 196~220M 8M 4.0 (15)42.0 (15)30.0 >20.0
TFL64261F-471.25M 456~515M 8M 5.0 (20)44.0 (20)38.0 >16.0
TFL64262F-477.25M 456~515M 8M 5.5 (20)46.0 (20)40.0 >16.0
TFL64263F-483.25M 456~515M 8M 5.0 (20)43.0 (20)39.0 >16.0
TFL64264F-489.25M 456~515M 8M 5.0 (20)43.0 (20)38.0 >16.0
TFL64265F-495.25M 456~515M 8M 6.0 (20)47.0 (20)42.0 >16.0
TFL64266F-501.25M 456~515M 8M 5.5 (20)42.0 (20)38.0 >16.0

TFL64267F-507.25M

 456~515M 8M 5.0 (20)43.0 (20)39.0 >16.0
TFL64268F-513.25M 456~515M 8M 5.5 (20)43.0 (20)38.0 >16.0
TFL64269F-519.25M 515~555M 8M 6.0 (20)41.0 (20)35.0 >16.0
TFL64270F-525.25M 515~555M 8M 6.0 (20)40.0 (20)42.0 >16.0
TFL6424F-533M 515~555M 8M 5.5 (9)18.0 (9)15.0 >16.0
TFL6425F-545M 515~555M 8M 5.5 (9)19.0 (9)15.0 >16.0
TFL6426F-557M 556~595M 8M 5.5 (9)20.0 (9)17.0 >16.0
TFL6427F-581M 556~595M 8M 5.5 (9)17.0 (9)15.0 >16.0
TFL6428F-593M 556~595M 8M 5.5 (9)15.0 (9)15.0 >16.0
PAL Channel Filter (75£[)

Temwell Part's No.

Acceptable 

specify Fo.in 

each Range

-3dB

B.W

IL dB

TP.

Atten.(tp)

Fo-( )M

/( )dB

Atten.(tp)

Fo+(  )M

/( )dB

Atten.

Fo¡Ó9MHZ/dB
TFL64148F-403.25M 401~455M 8M 5.0 9)16 (9)15 >16.0
TFL64149F-411.25M 401~455M 8M 5.0 (9)15 (9)15 >16.0
TFL64269F-519.25M 515~555M 8M 6.0 (20)41.0 (20)35.0 >16.0
TFL6435F-573.25M 556~595M 8M 5.5 (9)16 (9)15 >16.0
TFL6436F-579.25M 556~595M 8M 5.5 (9)17 (9)15 >16.0
TFL6437F-585.25M 556~595M 8M 5.5 (9)16 (9)16 >16.0

PAY ATTENTION: Each Parts No. all has Perf.& Spec. with S2P Data and all has Customized Range to  indicate 

                            your own specific Fo.

PS.1.  If Attenuation of the above list of  is not enough, we will design a 4 pole (7H4) for you.

     2. The above list is also to design in a housing with F connector (75 ohm) for requirement.

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   ê 7H4 Series    Bottom View

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ê7H4B   Bottom View

            

ê7H4D Bottom View

           

ê7H4F Bottom View

           

êSee More 75 ohm Helical Band Pass Filter......

Move to

7H2L (TDL ) 

Move to

7H3L ( TTL ) 

Move to

7H4L ( TFL ) 

Move to

7H5L ( TVL ) 

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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

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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 

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