Model KFF6637A Ceramic Monoblock Duplex Filter ® WIRELESS COMPONENTS Features: • Small Size • High Performance • SMD Description and Applications: This monoblock Duplexer filter is primarily designed for US PCS applications at 1850-1990 MHz. Electrical Specifications Antenna to TX Response Insertion Loss Return Loss Rejection @ RX Band Rejection Frequency 1850 MHz to 1910 MHz 1930 MHz to 1990 MHz 1720 MHz to 1780 MHz Antenna to RX Response Insertion Loss Return Loss Rejection @ TX Band 1930 MHz to 1990 MHz 1850 MHz to 1910 MHz Specifications @ 25º C 4.2 dB max. 10.0 dB min. 55.0 dB min. TX to RX Response Rejection @ RX Band Rejection @ TX Band Frequency 1930 MHz to 1990 MHz 1850 MHz to 1910 MHz Specifications @ 25º C 39.0 dB min. 56.0 dB min. Power Rating Impedance Frequency Specifications @ 25º C 3.6 dB max. 10.0 dB min. 37.0 dB min. 25.0 dB min. 3W 50 Ω NOTE: Supplier shall test each filter to the critical electrical specifications listed above or better. Any subsequent audits may deviate due to measurement repeatability among different test systems. Such deviations shall not exceed the following limits: Specification Insertion Loss Return Loss Stopbands Typical Allowance 0.1 dB 1.0 dB 1.0 dB Rev. 1 CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS ® WIRELESS COMPONENTS MODEL KFF6637A Typical Response Curve Mechanical Dimensions All dimensions in mm Part Marking PC Board Layout Packaging Reel Quantity: 500 pcs. max. Reel Weight: 4.5 lbs. max. Y = LAST DIGIT OF YEAR WW = SEQUENTIAL WEEK NUMBER Contact Information: CTS WIRELESS COMPONENTS, INC. / 171 Covington Drive / Bloomingdale, IL 60108 PHONE: (800) 757-6686 / www.ctscorp.com Document Control #6287079Y01 Rev 1 Date of Origin 04/18/01 Date of Revision 04/18/01 THIS DATA SHEET IS NOT AN OFFER FOR SALE AND SHALL NOT OBLIGATE CTS TO SELL THE PRODUCTS DESCRIBED HEREIN OR ANY OTHER PRODUCTS. CTS MAY, IN ITS SOLE DISCRETION, MODIFY OR DISCONTINUE THE SALE OF ITS PRODUCTS AT ANY TIME WITHOUT NOTICE. CTS MAKES NO WARRANTY, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PRODUCTS REFERENCED OR INFORMATION PROVIDED HEREIN. CTS® is a registered trademark of CTS Corporation.