KR Electronics, Inc. KR Electronics, Inc. www.krfilters.com General Description KR Electronics part number 3174-21.4-10 is a 21.4 MHz bandpass filter. The filter has a 3 dB bandwidth of 10 MHz. Other center frequencies and bandwidths are available. Please consult the factory. Features 21.4 MHz Bandpass Filter 10 MHz typical 3 dB Bandwidth Selective Elliptic Type Filter 50 Source and Load Surface Mount Also available with SMA Connectors Typical Performance Overall Response (10 dB/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2014, KR Electronics, Inc. 3174-21.4-10, Rev 0, October 10, 2014 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Electronics, Inc. Typical Performance www.krfilters.com Passband Amplitude & Group Delay (1 dB/div & 50 nsec/div) Overall Response (10 dB/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2014, KR Electronics, Inc. 3174-21.4-10, Rev 0, October 10, 2014 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 3174-21.4-10 Specifications Parameter Specification Filter type Bandpass Center Frequency 21.4 MHz Insertion Loss 2 dBa max 1 dBc Bandwidth 9.2 MHz typical 3 dBc Bandwidth 10 MHz ±5% 40 dBc Bandwidth 15.5 MHz typical 60 dBc Bandwidth 18.5 MHz typical Source and Load 50 Notes < 1 dBa typical Physical Dimensions 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. KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2014, KR Electronics, Inc. 3174-21.4-10, Rev 0, October 10, 2014 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 3