KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2789 is a 40 MHz lowpass filter. The filter attains 84 dB attenuation by 52.5 MHz. Other passband frequencies are available. Please consult the factory. Features • SMA Connectors • Sharp Transition to Stopband • 84 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 20 nsec/div) (10 dB/div) 19 Jul 2007 11:04:58 CH1 CH2 1 S 21 S 21 log MAG delay 1 dB/ 20 ns/ REF 0 dB REF 20 ns 19 Jul 2007 11:38:31 CH1 S 21 log MAG 10 dB/ REF 0 dB 2 PRm PRm Cor PRm Cor START .100 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. STOP 50.000 000 MHz CH1 START 1.000 000 MHz STOP 1 000.000 000 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 2789 Specifications Parameter Specification Filter type Lowpass End of Passband < 1.5 dB 40 MHz Start of Stopband >84 dB 52.5 MHz Source and Load 50 Ω Physical Dimensions Dimensions in inches Metal Case Also available in surface mount package 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