KR Electronics, Inc. KR Electronics, Inc. www.krfilters.com General Description KR Electronics part number 2951 is a 133.5 MHz bandpass filter. The filter has a minimum 1 dB bandwidth of 233 MHz. Other center frequencies and bandwidths available. Please consult the factory. Features 133.5 MHz Center Frequency 17 MHz to 250 MHz Passband 50 Source and Load Surface Mount Typical Performance Overall Response (10 dB/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2011, KR Electronics, Inc. 3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011 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 (0.5 dB/div & 10 nsec/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2011, KR Electronics, Inc. 3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011 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 3021 Specifications Parameter Specification Filter type Bandpass Center Frequency 133.5 MHz Insertion Loss 0.5 dB max 1 dB Bandwidth 233 MHz min Typical -3 dB frequencies 15 MHz & 284.7 MHz Typical -20 dB frequencies 11.9 MHz & 355 MHz Typical -40 dB frequencies 9.2 MHz & 452 MHz Typical –60 dB frequencies 7 MHz & 601 MHz Source and Load 17 MHz to 250 MHz 50 Physical Dimensions Notes: 1. Surface mount package 2. Dimensions in inches 3. Max reflow temperature 209° C for 10 sec 4. If boards are cleaned after installation units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2011, KR Electronics, Inc. 3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 3