About LORCH  I   Find a Sales Rep   I   News & New Products   I   RoHS Compliance   I   Specification Guide
Terms and Conditions   I   Download Catalogs   I   Filter Selection Software   I   Employment   I   Contact Us   I   Home
Tunable Bandpass Filters

24 MHz to 3000 MHz
Direct Readout
Octave Tuning
High Power
Digital and Manual Tuning Available
Diplexer Configuration
Ruggedized Applications

Calculating Number of Sections

Cavity Filter Part Number Description

1. Number of Sections

2. Series (TF)

3. Frequency Range, MHZ

4. Percent Bandwidth 3 dB BW and Designator

5. Connectors
Bandwidth Designator
3 dB /(blank)
special /X
Connectors
Connector Type Designator
BNC Female (1) B
F F
N Female N
SMA Female S
TNC Female (1) T
Overview
Bandpass
Bandreject
Digital Tunable Filters


3 SectionTunable Bandpass
5 SectionTunable Bandpass
3 SectionTunable Bandpass
5 SectionTunable Bandpass


Standard Cellular and PCS Tunable Bandpass Filters

 Part No.

  No. of Sections Freq. Range (MHz) Insert. Loss dB (Typ.) Nominal
Bandwidth		 VSWR Avg.
Power
(Watts)		 Dial
Acc.		 30 dB/
3 dB
Ratio		 50 dB/
3 dB
Ratio		 Length
Inches
(mm)		 Width
Inches
(mm) 		 Height
Inches
(mm)
Cellular Bandpass
3BT-800/1000-1S 3 800-1000 1.25 1% 1.5:1 TYP 50 W ±0.5% 3.5:1 N/A 6.6 (167.6) 5.4 (137.2) 2.8
(71.1)
5BT-800/1000-1S 5 800-1000  2 1% 1.5:1 TYP 50 W ±0.5% 2.2:1 3.5:1 9.8
(248.9)		 5.4 (137.2) 2.8
(71.1)
PCS Bandpass
3BT-1800/2200-1S 3 1800-2200 1 1% 1.5:1 TYP  50 W ±0.5% 3.5:1 N/A 6.57" (166.9) 2.0" (50.8) 2.0"
(50.8)
5BT-1800/2200-1S 5 1800-2200 1.5 1% 1.5:1 TYP  50 W ±0.5% 2.2:1 3.5:1 9.86"
(250.4)		 2.0"
(50.8)		 2.0"
(50.8)


Standard Tunable Bandpass Specifications
Number of Sections Freq. Range (MHz) Nominal Bandwidth VSWR Avg. Power
(Watts)		 Dial Accuracy 30 dB/3 dB Ratio 30 dB/3 dB Ratio
3 30 - 3000 5% 1.5:1 50 W ±1% 3.5:1 N/A
5 30 - 3000 5% 1.5:1 50 W ±1% 2.2:1 3.5:1


3 Section Tunable Bandpass
Stock 3
Section Units		 Insertion
Loss dB (Typical)		 Length
Inches (mm)		 Width
Inches (mm)		 Height
Inches (mm)
3TF-24/48-5S 1.0 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-30/76-5S 1.0 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-32/64-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-48/95-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-63/125-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-95/190-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-125/250-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-200/400-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-225/400-5S 0.8 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-250/500-5S 0.7 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-375/750-5S 0.7 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-500/1000-5S 0.7 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-750/1500-5S 0.7 6.6 (167.6) 5.4 (137.2) 2.8 (71.1)
3TF-1000/2000-5S 0.7 5.0 (127.0) 2.9 (73.7) 2.8 (71.1)
3TF-1500/3000-5S 0.7 5.0 (127.0) 2.9 (73.7) 2.8 (71.1)


5 Section Tunable Bandpass
Stock 5
Section Units		 Insertion
Loss dB (Typical)		 Length
Inches (mm)		 Width
Inches (mm)		 Height
Inches (mm)
5TF-24/48-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-30/76-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-32/64-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-48/95-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-63/125-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-95/190-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-125/250-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-200/400-5S 1.3 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-225/400-5S 1.0 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-250/500-5S 1.0 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-375/750-5S 1.0 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-500/1000-5S 1.0 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-750/1500-5S 1.0 9.8 (248.9) 5.4 (137.2) 2.8 (71.1)
5TF-1000/2000-5S 1.0 7.4 (188.0) 2.9 (73.7) 2.8 (71.1)
5TF-1500/3000-5S 1.0 7.4 (188.0) 2.9 (73.7) 2.8 (71.1)


Top of Page >


© 2010 Lorch Microwave