KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR Electronics part number 2993 is a 70 MHz elliptic type bandpass filter. The filter has a minimum 3 dB bandwidth of 36 MHz. Other center frequencies and bandwidths available. Please consult the factory. Features 70 MHz Center Frequency 36 MHz min 3 dB Bandwidth Sharp Transition to Stopband 50 Source and Load SMA Connectors Also Available in Surface Mount Typical Performance Overall Response (10 dB/div) CH1 S31 LOG START KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2010, KR Electronics, Inc. 2993, Rev 0, August 11, 2010 10 dB/ 10 . 000 000 11 Aug 2010 17:34:54 REF 0 dB MHz STOP 1 000 . 000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Electronics www.krfilters.com Typical Performance Passband Amplitude & Group Delay (1 dB/div & 50 nsec/div) 11 Aug 2010 17:33:46 CH2 CH4 S31 S31 LOG DEL 1 dB/ 50 ns/ REF 0 dB REF -50 ns 1 : 191 . 75 ns 52 . 000 000 MHz 2 1 Cor 4 Cor CENTER KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2010, KR Electronics, Inc. 2993, Rev 0, August 11, 2010 70 . 000 000 MHz SPAN 36 . 000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2 KR Electronics, Inc. www.krfilters.com KR Electronics 2993 Specifications Parameter Specification Filter type Bandpass Center Frequency 70 MHz Insertion Loss < 1.8 dB 3 dB Bandwidth 36 MHz min Rejection at 48 MHz 45 dB min Rejection at 93 MHz 35 dB min Source and Load 50 Physical Dimensions Notes: 1. Dimensions in inches 2. Rectangular case 3. Also available in 0.5” x 1.5” x 0.30” surface mount package KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2010, KR Electronics, Inc. 2993, Rev 0, August 11, 2010 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 3