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| KR Electronics, Inc. KR Electronics General Description www.krfilters.com KR 2838-40 is a 140 MHz group delay equalized bandpass filter. Features The filter has a passband from 120 MHz to 160 MHz. Other * 140 MHz Center Frequency passband frequencies are available. Please consult the factory. * Sharp Transition to Stopband * Group Delay Equalized * 50 Source and Load Typical Performance Passband Amplitude & Group Delay (1 dB/div and 5 nsec/div) 12 Jun 2008 17:17:57 CH1 CH3 S31 S31 LOG DEL 1 dB/ 5 ns/ REF 0 dB REF 40 ns CH2 S31 LOG 10 dB/ Overall Response (10 dB/div) 12 Jun 2008 17:18:16 REF 0 dB Cor Smo Cor Cor CENTER 140 . 000 000 MHz SPAN 200 . 000 000 MHz CENTER 140 . 000 000 MHz SPAN 40 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Electronics 2838-40 Specifications Parameter Filter type Insertion Loss Passband (< 1.5 dB) Passband Ripple Passband Group Delay Ripple 124 MHz to 156 MHz Attenuation at 104 MHz & 176 MHz Source and Load Specification Bandpass < 5 dB ( 3 dB typical ) 125 MHz to 155 MHz < 1.5 dB < 4 nsec > 45 dB 50 www.krfilters.com 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. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2008, KR Electronics, Inc. |
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