Lowpass Filter Effective Passband & Group Delay Overall Amplitude Effective Passband 10 dB/DIV 0.1 dB/div KR Model 2181 5 nsec/div 100 KHz 6 MHz 100 KHz 100 MHz Specifications KR Part Number Filter Type Insertion Loss 2181 Video Lowpass with Sin(x)/x Correction < 3 dB End of Passband 5.75 MHz Effective Passband Ripple < 0.2 dB Start of Stopband 20.25 MHz Stopband Attenuation > 45 dB Group Delay Ripple < 3 nsec Group Delay Control to 5.5 MHz Approximate Group Delay 80 nsec Source and Load Impedance Sampling Frequency 75 Ω 27 MHz Outline Drawing Epoxy Package All leads .020” x .010” Pin Identification Pin 16 - Input Pin 9 - Output Pins 10 thru 15 - NC Pins 1 thru 8 - Ground All Dimensions inches KR Electronics www.krfilters.com 91 Avenel Street Avenel, NJ 07001 732-636-1900