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187.5 MHz Bandpass Filter Group Delay Equalized 1 dB Bandwidth 20 MHz min Selective Elliptic Type Design 50 Source and Load Other frequencies available Also available with SMA Connectors Typical Performance www.krfilters.com KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Web Email Phone Fax Overall Response (10 dB/div)
Page 2 © 2016 KR Electronics, Inc. 3251, Rev 0 KR Electronics, Inc. Avenel, NJ 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Web Email Phone Fax Passband Amplitude & Group Delay (1 dB/div & 5 nsec/div) KR Electronics 3251 KR Electronics, Inc. www.krfilters.com Overall Response (10 dB/div)
Page 3 © 2016 KR Electronics, Inc. 3251, Rev 0 KR Electronics 3251 KR Electronics, Inc. Physical Dimensions Specifications www.krfilters.com KR Electronics, Inc. Avenel, NJ 07001 www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Web Email Phone Fax Parameter Specification Notes Filter type Bandpass Center Frequency 187.5 MHz Insertion Loss at Fc 4 dBa max 3 dBa typical 1 dBc Bandwidth 20 MHz min 27 MHz typical 3 dBc Bandwidth 34 MHz typical 50 dBc Bandwidth 90 MHz max 71 MHz typical 60 dBc Bandwidth 81 MHz typical Group Delay Variation 177.5-197.5 MHz 5 nsec max 3 nsec typical Source and Load 50 Notes: 1. Surface mount package 2. Dimensions in inches 3. Max reflow temperature 230° C for 10 sec 4. If boards are cleaned after installation units must be completely dried