KR Electronics, Inc. KR Electronics, Inc. www.krfilters.com General Description KR Electronics part number 3124 is a 105 MHz group delay equalized bandpass filter. The filter has a min 2 dB bandwidth of 20 MHz. Other frequencies are available. Please consult the factory. Features 105 MHz Bandpass Filter 20 MHz Bandwidth Sharp Elliptic Transition to Stopband Group Delay Equalized for Linear Phase 50 Source and Load Surface Mount Package Also Available with SMA Connectors Typical Performance Overall Response (10 dB/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2013, KR Electronics, Inc. 3124, Rev 0, November 26, 2013 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 & 20 nsec/div) Overall Response (10 dB/div) KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2013, KR Electronics, Inc. 3124, Rev 0, November 26, 2013 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 3124 Specifications Parameter Specification Filter type Bandpass Center Frequency 105 MHz Insertion Loss Notes 6.5 dBa typical 2 dBc Bandwidth 20 MHz min 20.8 MHz typical 1 dBc BW 45 dBc Bandwidth 31 MHz max 29.6 MHz typical Source and Load 50 Physical Dimensions Notes: 1. Surface mount package — Metal cover open frame 2. Dimensions in inches 3. Maximum reflow temperature is 230° C for 10 sec maximum. 4. If boards are cleaned after installation, units must be completely dried. KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2013, KR Electronics, Inc. 3124, Rev 0, November 26, 2013 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 3