KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2708 is a 160 MHz surface mount bandpass filter. The filter has a minimum 2 dB bandwidth of 50 MHz and group delay equalization. Other passband frequencies are available. Please consult the factory. Features • Surface Mount Package • Group Delay Equalization • Sharp Transition to Stopband • 50 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 10 Aug 2006 15:47:57 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 10 ns/ 10 Aug 2006 15:49:42 REF -2 dB REF 65 ns CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor Cor 1 2 PRm Cor CENTER 160.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. SPAN 50.000 000 MHz CENTER 160.000 000 MHz SPAN 200.000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2708 Specifications Parameter Specification Filter type Bandpass Center Frequency 160 MHz Insertion Loss < 5 dB ( 3 dB typical) 2 dB Bandwidth 50 MHz min Attenuation at 116 MHz > 50 dB Attenuation at 204 MHz > 50 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Maximum reflow temperature is 209° C for 10 sec maximum 4. If boards are cleaned after installation, units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2