KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • Surface Mount Package • 1.2:1 Transition to Stopband • 35 dB Stopband • 50 Ω Source and Load KR part number 2738 is a surface mount lowpass filters with a minimum 1.5 dB bandwidth of 420 MHz. Other passband frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 20 Nov 2006 09:45:36 CH1 CH2 1 S 21 S 21 log MAG delay 1 dB/ 5 ns/ REF 0 dB REF 0 s 20 Nov 2006 09:44:00 CH1 S 21 log MAG CH1 START .030 000 MHz 10 dB/ REF 0 dB PRm PRm Cor Cor PRm Cor 2 START .100 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. STOP 1 500.000 000 MHz STOP 420.000 000 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 2738 Lowpass Specifications Parameter Specification Filter type Lowpass End of Passband Fc ( < 1.5 dB) 420 MHz Attenuation at 500 MHz > 35 dB Source & Load 50 Ω Physical Dimensions Notes: 1. Input is 1 2. Output is 8 3. All others are ground 4. Max reflow temp is 209° C for 10 sec max KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2