Krohn-Hite 3343 Dual Channel Variable Filter

The 3343 Dual Channel Tunable Filter is an all solid-state variable electronic filter with low-pass, high-pass, band-pass, and band-reject capabilities.  0.01 Hz to 99.9 kHz frequency The 3343 Dual Channel Variable Filter is digitally tuned over a frequency range of 0.01Hz to 99.9kHz. It can be operated in low-pass, high-pass, band-pass or band-reject mode. Attenuation slope of 96 dB per octave in high-pass or low-pass mode and 48 dB per octave in band-pass or band-reject mode. Distortion is less than 0.1% over most of the range. Output impedance of 50-ohms.

Key Features

• 48 dB per channel attenuation slope
• 0 dB or 20 dB pass band gain
• Eight pole Butterworth or RC response
• ±2% calibration accuracy
• < 0.1% distortion (typically)
• 0.5 mV RMS hum and noise
• 80 dB maximum attenuation