MAX262 Active Filter Module Programmable Filter High Low Pass Bandpass Programmable Quality Factor for Amplifier

$77.39
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  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

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    Alex NLD
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    HaGiborim St 8
    Tiberias, 14388
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    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Description:

Active filter is widely used in digital signal processing, communications, automatic control, general active filter by the operational amplifier and RC components, the components of the parameter accuracy is relatively high, the design and debugging is also more trouble. Maxim’s programmable filter chip MAX262 is programmable dual-second-order general-purpose switched-capacitor active filter that can be programmed with single-chip microcomputer parameters. The center frequency fO, Q, and active filter of the active filter are precisely set Way, can achieve low-pass, high-pass, band-pass, band-stop and all-pass filter.

Features: 

1. with a filter design software, with a microprocessor interface;
2. can control 64 different center frequency f0, 128 different quality factor Q and 4 kinds of work patterns;
3. the center frequency f0 and quality factor Q can be independently programmed;
4. can provide three clock input (external clock input, RC oscillator and crystal devices);
5. the central frequency f0 range of 1Hz ~ 140kHz, the maximum input clock 4MHz;
6. the filter circuit structure is simple, less external components, small size;
7. can achieve low-pass, high-pass, band-pass, band-stop and all-pass filter;
8. can be A, B single-stage input and output, but also AB cascade of two levels of input and output;
9. Product size: 50*50MM
10. Product weight: 22 grams

The main chip pin description:

V +  – positive power input.
V-  -Negative power input.
GND – Analog ground.
CLKA – external crystal oscillator and filter A part of the clock input, within the filter, the clock frequency is divided by 2.
CLKB – the clock input to filter B, also within the filter, the clock frequency is divided by 2.
CLKOUT – Clock output for crystal oscillator and R-C oscillation.
OSCOUT – Connects to a crystal or R-C oscillator for self-synchronization.
INA, INB – The signal input of the filter.
BPA, BPB – band-pass filter output.
LPA, LPB – low-pass filter output.
HPA, HPB – high-pass, with resistance, all-pass filter output.
WR – Writing to the active input. When connected to V +, the data can be entered into a programmable memory through the logical interface to complete the filter mode, f0 and Q settings. In addition, it can receive TTL level signals, and the rising edge latch input data.
A0, A1, A2, A3 – address input, can be used to complete the filter mode, f0 and Q of the corresponding settings.
D0, D1 – Data input, can be used to set the corresponding bits f0 and Q.
OP OUT – The amplifier output of the MAX262.
OP IN – The inverting input of the MAX262 amplifier.

Package included:

1 x  Active Filter Module

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