مميزات خاصة

【DDS Programmable Waveform Generation Core】 AD9833 uses direct digital synthesis technology; generates sine, triangle, and square waveforms; precise digital frequency control ensures stable output; supports signal generation tasks for learning, testing, and waveform evaluation in embedded systems
【Wide Frequency Control With High Resolution】 Supports finely adjustable output frequency based on DDS tuning words; clock‑dependent output up to 12.5 MHz; smooth frequency changes without mechanical tuning; enables accurate waveform setup for repeatable signal experiments
【SPI Digital Control Interface】 Configured through standard SPI communication using SCLK, SDATA, and FSYNC pins; simplifies integration with microcontrollers; enables fast register updates; improves reliability compared to analog tuning methods
【Wide 2.3 V To 5.5 V Power Compatibility】 Operates from 2.3 V to 5.5 V DC; supports both 3.3 V and 5 V logic systems; reduces external power constraints; improves flexibility when integrating into mixed‑voltage electronic projects
【Compact Module With Onboard Reference Clock】 Includes onboard crystal oscillator for stable timing reference; eliminates need for external clock sources; compact PCB layout simplifies wiring; compatible with for Arduino and similar SPI‑based controller platforms

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Product Overview
AD9833 Programmable Waveform Generator Module based on DDS technology. Capable of generating sine, triangle, and square wave outputs with precise frequency control. Built with original AD9833 chip, suitable for signal generation and test applications.

1. Product Parameters
Generator IC: AD9833
Signal Type: DDS waveform generator
Output Waveforms: Sine / Triangle / Square
Frequency Range: Up to 12.5 MHz clock dependent
Frequency Resolution: High resolution DDS control
Supply Voltage (VCC): 2.3–5.5 V DC
Output Type: Analog waveform output
Communication Interface: SPI
Reference Clock: Onboard crystal oscillator
Operating Temperature: −40 °C to +85 °C
2. Pin Function Description
VCC (IN+): DC power input positive
GND: Power ground
SCLK: SPI clock input
SDATA: SPI data input
FSYNC: SPI chip select, active low
OUT: Analog signal output
3. Common Questions & Answers (FAQ)
Q1: What waveforms can this module generate?
A1: It can generate sine, triangle, and square waves.

Q2: How is the output frequency controlled?
A2: Frequency is programmed digitally via SPI interface.

Q3: What voltage is required to power the module?
A3: It supports 2.3V to 5.5V DC input.

Q4: Is an external clock required?
A4: No, it includes an onboard reference clock.

Q5: Is it suitable for signal testing or education?
A5: Yes, it is ideal for test, learning, and DDS applications.

مرحبًا،

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AD9833 وحدة مولد الموجي القابلة للبرمجة DDS، 2.3-5.5 فولت، واجهة SPI

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