KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • Surface Mount Package • 50 Ω Source and Load KR 2770 is a 109 MHz bandpass filter with a minimum 1 dB bandwidth of 4 MHz. Other center frequencies and bandwidths available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (0.5 dB/div & 10 nsec/div) (10 dB/div) 22 May 2007 11:00:25 22 May 2007 10:59:09 CH1 CH2 S 21 S 21 log MAG delay .5 dB/ 10 ns/ CH2 REF -3 dB REF 105 ns S 21 log MAG 10 dB/ REF 0 dB PRm Cor 1 PRm PRm Cor Cor 2 Smo CENTER 109.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. SPAN 4.000 000 MHz CH2 CENTER 109.000 000 MHz SPAN 100.000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2770 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 109 MHz Insertion Loss Bandwidth (1 dB) < 6 dB (5 dB typical) 4 MHz min Attenuation at 94 MHz > 40 dB Attenuation at 124 MHz > 40 dB Source and Load 50 Ω Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Max reflow temperature 209° C for 10 sec 4. If boards are cleaned after installation, units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2