KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2750 is a 165 MHz group delay equalized lowpass filter. The Features filter has a minimum of 50 dB attenuation by 225 MHz . Other • Sharp Transition to Stopband passband frequencies are available. Please consult the factory. • Group Delay Equalized • >50 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (0.5 dB/div and 2 nsec/div) (10 dB/div) 4 Jan 2007 14:36:54 CH1 CH2 S21 S21 LOG DEL .5 dB/ 2 ns/ REF 0 dB REF 8.5 ns 4 Jan 2007 14:39:54 CH1 S21 LOG 10 dB/ REF 0 dB Cor Cor Cor START START . 100 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. STOP 165 . 000 000 . 100 000 MHz STOP 800 . 000 000 MHz 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 2750 Specifications Parameter Specification Filter type Lowpass Insertion Loss < 1 dB (0.5 dB typical) End of Passband 165 MHz Passband Ripple < 0.75 dB Group Delay Ripple < 5 nsec Attenuation 225 to 500 MHz > 50 dB Attenuation 500 to 800 MHz > 40 dB Source and Load 50 Ω 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 © 2007, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2