Product/Service

Variable Q Filter

Source: Zetex Inc.
The ZXF36L01 delivers real-time filtering that is tunable by two resistors and two capacitors
Zetex Inc.1 delivers real-time filtering that is tunable by two resistors and two capacitors. The frequency range extends up to 200 kHz. For higher frequency applications, an on-chip mixer block is provided to allow the center frequency to be up to 1 MHz, with a frequency range of 200 kHz. The local oscillator used with the mixer can be any waveform, allowing for microprocessor control.

Filter Q is controlled by two external resistors. If higher values are required, the filter has been designed to allow multiple devices to be easily cascaded.

Applications include audio filtering, adaptive filtering, instrumentation, and sonar and ultrasonic systems.

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