PROTOTYPE 2017'

This site announces brand new prototypes developed by our laboratory,
which can be disseminated as per external requests

Contact : leejrr@kaist.ac.kr

■ Programmable Multiple Bandpass Filter

Specification	Performance
Supply voltage	AC~200 V
Operating Temperature	-40 ℃ to 85 ℃
Filter modes	Lowpass filter (LPF) Highpass filter(HPF) Bandpass filter(BPF) in one board
Max. # of channels	4	LPF: 100 kHz~1 MHz HPF: 10 kHz~400 kHZ
	3	LPF: 100 kHz~1.5 MHz HPF: 4 kHz~1.2 MHz
	Other ranges can be customized
Roll-off	24 dB/oct
Communication	USB
Control	TM4C LaunchPad and GUI SW
Input impedance	11 pF
Pass band gain	0 dB±2.2 dB
Filter response	Butterworth
Built-in amplifier	x3~30
Application	Noise rejection & antialiasing in vibration, acoustic and ultrasonic measurement. e.g. Lamb wave pitch-catch, UPI, LDV