2579

KR 2579 Bandpass Filter General Description KR Electronics, Inc. www.krfilters.com KR 2579 is a 60MHz to 88 MHz surface mount bandpass filter. Features Features The filter has >80 dB rejection below 40 MHz & above 108 • Surface Mount Package MHz. Other center frequencies and bandwidths available. Please • Sharp Transition to Stopband consult the factory. • > 80 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay (1 dB/div & 10 nsec/div) 21 Dec 2004 14:13:35 CH1 CH2 S21 S21 LOG DEL 1 dB/ 10 ns/ REF 0 dB REF 40 ns Overall Response (10 dB/div) 21 Dec 2004 14:28:08 CH1 S21 LOG 10 dB/ REF 0 dB Cor Cor Avg 16 Smo Cor START 59 . 000 000 MHz STOP 89 . 000 000 MHz START 10 . 000 000 MHz STOP 1 000 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR KR Electronics, Inc. KR KR 2579 Bandpass Specifications Parameter Filter type Center Frequency Insertion Loss Passband (< 3 dB) Attenuation at 40 MHz & below Attenuation 108 MHz to 500 MHz Typical 1 dB Bandwidth Typical 3 dB Bandwidth Typical 60 dB Bandwidth Typical 80 dB Bandwidth Source and Load Specification Bandpass 74 MHz < 4 dB (< 2 dB typical) 60 MHz to 88 MHz > 80 dB > 80 dB 30 MHz 37 MHz 57.8 MHz 64.2 MHz 50 Ω www.krfilters.com Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Use SN60 or SN63 solder during installation 4. If boards are cleaned after installation, units must be completely dried to remove any entrapped moisture that will effect electrical performance KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2