Active Filters

Analog (Active) electronic signal filter modules and instruments from 0.02 Hz to 2.0 MHz. Precision low-pass, high-pass, band-pass, band-reject (Notch) offering low noise and distortion to <-120 dB. ...more

Low-pass analog and digital FIR electronic signal filter modules and instruments from 0.2 Hz to 2.0 MHz. Butterworth, Bessel, Chebychev, elliptic and constant-delay transfer functions are available ...more

Analog and DSP (FIR) Band-Pass electronic signal filter modules and instruments from 1.0 Hz to 100 kHz. ...more

Analog and DSP (FIR) Tunable (Programmable) electronic signal filter modules and instruments from 0.1 Hz to 1.28 MHz. ...more

Analog and DSP (FIR) electronic signal filter modules and instruments from 0.02 Hz to 2.0 MHz. Precision low-pass, high-pass, band-pass, band-reject (Notch) offering low noise and distortion to <-120 dB. ...more

Analog (Active) High-Pass electronic signal filter modules and instruments from 0.02Hz to 1.28 MHz. ...more

The DL Instruments 4110 Series Filters are designed for multichannel applications. This series consists of precision, active filters with frequency selectable by front panel controld in 1/10 decade steps. ...more

AC DC Switches. Active power factor correction. IEC EN61000-3-2 compliance. Remote sense on main output. Power fail and remote inhibit. Single wire current sharing. Built-in EMI filter. ...more

AC DC Switches. Active power factor correction. Remote sense. Single wire current sharing. Built-in Class B EMI filter. Overload protection. 5 V Standby output and 12V Fan output. EN61000-3-2 compliant. Power fail and remote inhibit. Adjustable main output. Overvoltage protection. Thermal overload protection. ...more

AC DC Switches. Active power factor correction. EN61000-3-2 compliance. Remote sense on outputs one and two. Power fail and remote inhibit. 5V Standby output. DC Power good. Single wire current sharing on outputs one and two. Wide range adjustable on outputs 1 & 2. Built-in Class B EMI filter. Overvoltage protection. ...more

AC DC Switches. Active power factor correction. EN61000-3-2 compliance. Remote sense on outputs one and two . Power fail and remote inhibit . Single wire current sharing on outputs one and two. Adjustable main outputs. Built-in Class B EMI filter. Overvoltage protection. Overload protection. Thermal overload protection. ...more

AC DC Switches. Active power factor correction . IEC EN6100-3-2 compliance. Remote sense & remote inhibit. Power fail. Single wire current sharing. Built-in EMI filter. ...more

AC DC Switches. Medical safety approvals. Active power factor correction. IEC EN61000-3-2 compliance. Wide Range Adjustable output. Remote sense on main output. Single wire current sharing. Power fail and remote inhibit. Built-in EMI filter. Low output ripple. ...more

The ORTEC Model 590A Amplifier and Timing Single-Channel Analyzer includes both a low-noise shaping amplifier and a timing single-channel analyzer. The amplifier employs active-filter shaping (0.5, 1.5, and 3.0 µs shaping times) for use with various types of radiation detectors.  ...more

AC DC Switches. Active power factor correction. IEC EN61000-3-2 compliance. Wide Range Adjustable output. Remote sense on main output. Single wire current sharing. Power fail and remote inhibit. Built-in EMI filter. ...more

8 High-Level or Low-Level Analog Input Channels. Input Channels Share a Common Isolated Ground. 16-Bit, 200KSPS ADC and Active Lowpass Filter pe Channel. Isolation-Side Signal Conditioning and A/D Conversion ...more

The Krohn-Hite Model 3944 is a 4-channel, Butterworth/Bessel filter offers a programmable or bench top filter covering a cutoff frequency range from 3Hz to 2MHz, with a frequency response characteristic of maximally flat (Butterworth) for clean filtering in the frequency domain, or linear phase (Bessel) to provide superior pulse or complex sig ...more

The Krohn-Hite Model 3940 programmable, dual channel, Butterworth/Bessel filter offers a programmable or benchtop filter covering a cutoff frequency range from 3Hz to 2MHz. ...more

The Krohn-Hite Model 3955 programmable, dual channel, low-pass filter is the first dual low-pass programmable filter of its kind, covering the wide cutoff frequency range from 170Hz to 25.6MHz with 2 digits of resolution. ...more

The Krohn-Hite Model 35 Tunable Active, Low-Pass Filter Card is the first programmable filter of its kind to cover the wide frequency range of 170Hz to 25.6MHz with 2 digits of resolution. The Model 35 is a 4-pole, maximally flat (Butterworth) filter, with an attenuation slope of 24dB/octave and a stopband attenuation of 100dB referred to 1Vrm ...more

The Krohn-Hite Model 3900 programmable, dual channel Elliptical filter/voltage gain amplifier is one of a family of new programmable filters from Krohn-Hite. It was carefully designed with the user in mind, providing ease of operation, reliability and price competitiveness. All backed with the quality which Krohn-Hite has provided in filters ...more

NEW 3A, 3B, 3C and 3D Series of continuous-time fixed-frequency precision active filter modules from Krohn-Hite provide filtering in a 1 to 8-poles and 16-pole compact package, with the choice of cutoff frequencies selectable within the frequency range from 1Hz to 2MHz low-pass and 1Hz to 600kHz high-pass. ...more

The NEW 3A, 3B, 3C and 3D Series of continuous-time fixed-frequency precision active filter modules from Krohn-Hite provide filtering in a 1 to 8-poles and 16-pole compact package, with the choice of cutoff frequencies selectable within the frequency range from 1Hz to 2MHz low-pass and 1Hz to 600kHz high-pass ...more

The NEW 3A, 3B, 3C and 3D Series of continuous-time fixed-frequency precision active filter modules from Krohn-Hite provide filtering in a 1 to 8-poles and 16-pole compact package, with the choice of cutoff frequencies selectable within the frequency range from 1Hz to 2MHz low-pass and 1Hz to 600kHz high-pass. Choose between Butterworth or Bes ...more

The NEW 3A, 3B, 3C and 3D Series of continuous-time fixed-frequency precision active filter modules from Krohn-Hite provide filtering in a 1 to 8-poles and 16-pole compact package, with the choice of cutoff frequencies selectable within the frequency range from 1Hz to 2MHz low-pass and 1Hz to 600kHz high-pass ...more