Tubular LC Highpass Page 1 of 2 Tubular LC Highpass Custom Built LC Filters - .5 MHz to 500 MHz thpPrinter Reduced Size over Conventional Tubular Filters Low Insertion Loss - 0.2 dB per Section 1 dB Maximum Ripple BNC Connectors Standard, SMA Connectors Available Order Any Cut-off Frequency from 0.5 MHz to 1000 MHz Passive LC Filter Design Good Temperature Stability: -55 to +85 C 50 Ohms (75 and 100 Ohm Impedance available to 50 MHz) 1 Watt Power Handling Capacity Tubular L-C Highpass Filters - Series THP Ordering Procedure - Examples B (for BNC Connectors) Filter Type (THP) Cut-Off Frequency Number of Sections (See Graph) Impedance (Ohms) S (for SMA Connectors) Examples below THP500P2050B 500P = 500 MHz 2 050 = 50 Ohms B THP50P03075S 50P0 = 50.0 MHz 3 075 = 75 Ohms S THP5P554100B 5P55 = 5.55 MHz 4 100 = 100 Ohms B Cut-off Frequency can be any 4 characters from .5MHz (00P5) to 1000 MHz (1000) "P" represents the decimal point and, if used, is valid only in the 2, 3, and 4th position Examples: 5P55 = 5.55 MHz, 58P7 = 58.7 MHz, 500P = 500MHz, 1000 = 1000 MHz Mechanical Specifications in .pdf format (when online) (click here) Performance Graph & Dimensions below http://www.allenavionics.com/LC_Filters/PrinterFriendlyFiles/thpPrinter.htm 1/26/2003 Tubular LC Highpass Page 2 of 2 Series THP Performance Graph & Dimensions below Number of Sections (See Graph) 2 3 4 5 6 20 dB 40dB Size .625 .800 .870 .877 .909 .435 .625 .714 .769 .833 TA TA TB TB TC B = .45 for BNC B = .35 for SMA D = .50 All filters are supplied in .500 diameter sealed metal tubes with BNC connectors or SMA connectors (L) Size (Inches) TA TB TC Allen Avionics, Inc. 2.00 2.50 3.00 We are pleased to accept 224 East Second Street, Mineola, NY 11501 Phone: (516) 248-8080 Fax: (516) 747-6724 E-Mail: Info@AllenAvionics.com http://www.allenavionics.com/LC_Filters/PrinterFriendlyFiles/thpPrinter.htm 1/26/2003