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UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB

UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB
UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB - imagen 1
UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB - imagen 2
UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB - imagen 3
UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB - imagen 4
UAF42 High Pass Low Pass Band Pass Universal Active Filter Module Adjustable Bandpass Filtering Board PCB - imagen 5
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Última actualización: 2026-01-01T20:18:50.724Z

Descripción

Module parameters:

Module model: UAF42

Module type: universal adjustable filter

Supply voltage: ±5V-±15V

Module current: 10mA (Max)

Module control mode: potentiometer

Filter type: high-pass, low-pass, band-pass; the center frequency can be customized according to customer requirements

Low-pass cut-off frequency range: 100KHz (MAX); the default potentiometer cut-off frequency range is within 5K; the maximum cut-off frequency is not supported, users need to replace the RF1 and RF2 potentiometers according to their own needs

Qualcomm cut-off frequency range: 30KHz (MAX); the default potentiometer cut-off frequency range is within 2K; the maximum cut-off frequency is not supported, users need to replace RF1 and RF2 potentiometers according to their own needs

Bandpass center frequency range: 50Hz-40KHz; the default potentiometer cut-off frequency range is within 500Hz-5KHZ; the minimum and maximum center frequencies are not supported, users need to replace the RF1 and RF2 potentiometers according to their own needs

Input signal form: single-ended; default VIN2 input

Input signal voltage range: less than positive and negative power supply

Input frequency range: DC-1MHz

Module gain range: 40dB (MAX)

Quality factor Q value adjustable range: 20 (MAX)

Input and output signal characteristics: DC input and output; output with DC component, please add DC blocker to the radio frequency equipment, or directly use oscilloscope

Module input and output interface: SMA; 24-hour salt spray anti-oxidation

Module protection: none; no reverse connection protection, unlimited current protection

Customized parameters: yes

Module features: multi-function filter, universal adjustable filter

Module application: power system, sensor signal processing, transmitter and receiver, signal generator

Module description:UAF42 is a universal active filter that can be configured for various low-pass, high-pass, and band-pass filters. It uses a classic state-variable analog architecture with an inverting amplifier and two integrators. The integrator includes an on-chip 1000pF capacitor trimmed to 0.5%. Many filter types can be easily implemented, such as Butterworth, Bessel and Chebyshev. A fourth useless FET input operational amplifier (same as the other three) can be used to form additional stages, or for special filters such as band stop and inverse Chebyshev. Generally used in power system, sensor signal processing, transmitter and receiver, signal generator processing, etc.Precautions for using the module:
(1) The power supply of the module is a positive and negative dual power supply, and the voltage cannot exceed 18V. (2) Since the module is a high-precision device, in order to avoid unnecessary interference, it is recommended to use a linear power supply. (3) It is recommended to use SMA to BNC line input and output signals for output signals. Use an oscilloscope to observe the effect. Poor contact or poor quality wires may cause signal attenuation or excessive noise. (4) The filter measurement generally adopts the oscilloscope point frequency method. If possible, you can use a frequency sweeper or a vector network analyzer to test. Please add a DC blocker. (5) The details in the shop are mainly the introduction of the basic performance of the module and the test chart. If you need the specific working principle and analysis of the circuit, please move to the blog post. blog.csdn.net/kvdz_taobao_com/article/details/103511208

Visto en: Electronic Components & Supplies , Active Components , Sin categoría

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1 opiniones
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Anónimo Compra verificada
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7 de noviembre de 2025
5 de 5

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