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21.4 MHz Bandpass Filter 400 KHz Typical 3 dB Bandwidth 50 Source and Load Surface Mount 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 © 2014, KR Electronics, Inc. 3174A-21.4-0.4, Rev 0, October 10, 2014 Passband Amplitude & Group Delay (1 dB/div) KR Electronics, Inc. Typical Performance KR Electronics, Inc. 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 Overall Response (10 dB/div)
Page 3 © 2014, KR Electronics, Inc. 3174A-21.4-0.4, Rev 0, October 10, 2014 KR Electronics 3174A-21.4-0.4 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 21.4 MHz ± 0.25% Insertion Loss 10 dBa max 8 dBa typical 3 dBc Bandwidth 400 KHz ±10% 40 dBc Bandwidth 1.25 MHz typical 60 dBc Bandwidth 1.55 MHz typical Source and Load 50 Notes: 1. Surface mount package — Metal cover 2. Dimensions in inches 3. Maximum reflow temperature is 230° C for 10 sec maximum. 4. If boards are cleaned after installation, dry units completely.