KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2776+ is a 78.75 MHz bandpass filter. The filter has a minimum of 5 dB bandwidth of 30 MHz . Other passband frequencies are available. Please consult the factory. Features • Sharp Transition to Stopband • > 60 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 50 nsec/div) (10 dB/div) 23 Aug 2007 17:33:32 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 50 ns/ 23 Aug 2007 17:34:13 REF 0 dB REF 0 s CH1 PRm PRm Cor Cor S 21 log MAG 10 dB/ REF 0 dB 1 PRm 2 Cor CENTER 78.750 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. SPAN 30.000 000 MHz CH1 CENTER 78.750 000 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 2776+ Specifications Parameter Specification Filter type Bandpass Center Frequency 78.75 MHz Insertion Loss < 3 dB (1.5 dB typical) Attenuation at 57.75 MHz > 60 dB Attenuation at 63.75 MHz < 5 dB Attenuation at 93.75 MHz < 5 dB Attenuation at 99.75 MHz > 60 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