KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2812 is a 174 MHz lowpass filter. The filter has a minimum 50 dB of attenuation at 225 MHz. Other bandwidths available. Please consult the factory. Features • Sharp Transition to Stopband • >50 dB Stopband, 70 dB Typical • 50 Ω Source and Load • SMA Connectors Typical Performance Passband Amplitude & Group Delay Overall Response (0.5 dB/div & 10 nsec/div) (10 dB/div) 12 Jan 2008 13:10:37 CH1 CH2 1 S 21 S 21 log MAG delay .5 dB/ 10 ns/ 12 Jan 2008 13:09:20 REF 0 dB REF 0 s CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor Cor PRm Cor 2 START 1.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. STOP 174.000 000 MHz CH1 START 1.000 000 MHz STOP 3 000.000 000 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 2812 Lowpass Specifications Parameter Specification Filter type Lowpass End of Passband < 2 dB (< 1 dB typical) 174 MHz Start of Stopband >50 dB (> 70 dB typical) 225 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 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2