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68.25 MHz Bandpass Filter 4.5 MHz 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 © 2013, KR Electronics, Inc. 3121, Rev 0, October 3, 2013 Passband Amplitude & Group Delay (1 dB/div & 50 nsec/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 © 2013, KR Electronics, Inc. 3121, Rev 0, October 3, 2013 KR Electronics 3121 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 Insertion Loss 5.5 dBa max 3.5 dBa typical 3 dBc Bandwidth 4.4 to 4.6 MHz 40 dBc Bandwidth 11.4 MHz typical 60 dBc Bandwidth 17.85 MHz typical Source and Load 50 Center Frequency 68.25 MHz 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.