Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator
Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator image 1
Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator image 2
Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator image 3
Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator image 4
Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator image 5

Signal Generator Module AD9854 High Speed DDS Module Signal Source Sine Wave Square Wave Signal Generator

US $44.14 -20%

US $36.78

 

Highlights:

The AD9854 DDS module has four complementary sine wave outputs, two plus 120 MHz official low-pass filters and one square wave output. The square wave can be adjusted by sliding rheostat to facilitate use.

 

AD9854 module shipping list

 
Physical module + PDF schematic diagram + routine source code + after-sale technical support + electrostatic bag packaging + shockproof foam
 
Tips:
 
(1) The module interface of our shop is clear and the performance is stable. Please perform functional verification under the corresponding experimental conditions in conjunction with the schematic diagram provided by our shop.
 
(2) The basic parameters of this module are in the details page, providing PDF information of the module
information and source code of the routine; engineering files are not provided, please be clear to the buyer, if you have any operation problems, please consult customer service.
 
(3) Buyers, before using the module, please read the details page of this module to understand the power supply and use restrictions, to avoid damage to the module due to improper operation.
 
(4) Our modules are guaranteed to provide real module parameters, functions and pictures, and all modules will be shipped after detection.
 
Please contact customer service after purchase, we will send the information to your mailbox
 
 
Module parameters
 
  • Module model: AD9854

  • Module type: digital synthesis frequency source

     

  • Module power supply: DC7-9V

  • Module current: 650mA (MAX); quiescent current 90mA (TYP) normal drive current 620mA (TYP)

  • Module communication protocol: SPI parallel

  • Module provides routines: STM32F103RCT6

  • Routine platform: STM32F103X-M3 KEIL5 version source code

  • Module system main frequency: 300MHz (MAX)

  • DAC resolution digits: 12

  • Phase accumulator digits: 48 bits

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

  • Module output signals: sine wave, square wave; sine wave with 120MHz low-pass filter. Square wave coupling output.

  • Module output channel: 5 channels; the phase difference between each pair is 90 degrees, the output of 1,4 channels has filters, and 2,3 channels have no filters. The square wave has a separate output.

  • The signal characteristics of the module: the sine wave square wave has no coupling output; the output has its own DC component. If it is connected to the radio frequency equipment, please add a DC blocker, or you can directly measure it with an oscilloscope. Square wave duty cycle adjustable range 5%-95%

  • Highest main frequency output sine wave signal range: 1Hz-120MHz

  • Maximum square frequency output square wave signal range: 1Hz-50MHz; oscilloscope input impedance above 50MHz requires 50 ohms

  • Output amplitude: sine wave 540mVpp (MAX) square wave 3.3Vpp; sine wave amplitude decreases with increasing frequency, square wave waveform changes with increasing frequency

  • Output impedance: 50 ohms

  • Module features: multiple; support external FSK signal input, high-performance DDS sine wave signal generator, high-order elliptic filter, low-noise voltage regulator chip, etc.

  • Module application: multiple; frequency signal generation, sine wave, square wave signal generation, sensor excitation

  • Module weight: 55g

  • Module specifications: 85*65*12; length * width * height-PCB size

  • Module interface type: SMA signal output and external clock input, DC5.5 power socket, XH2.54-26PIN double-row pin data interface

 

Module description

 

The AD9854 digital frequency synthesizer is a highly integrated device that uses advanced DDS technology and built-in two high-speed, high-performance quadrature DACs to form a digitally programmable 1 and Q frequency synthesizer. Using a precision clock source as a reference, the AD9854 can produce highly stable frequency phase, amplitude programmable sine and cosine outputs, and can be used as an agile L0 in communications, radar and many other applications. The innovative high-speed DDS core provides 48-bit frequency resolution (with 300 MHz SYSCLK, the tuning resolution is 1 μHz) Maintaining 17 bits ensures that the device has excellent spurious-free dynamic range (SFDR).

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Precautions for using the module

 

(1) The current consumption of the module is large, and the power supply needs to have a certain margin. It is recommended to use a power supply above 7V1A.

(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 the SMA to BNC cable to directly observe the output signal for the output signal. Poor contact or poor quality wires may cause signal attenuation or excessive noise.
 
(4) Due to the large power consumption and heat generation, pay attention to ventilation and heat dissipation for long-term work.
 
(5) If you need to simply test the function of the module, it is recommended to use it with the control board of our store. Power is supplied to the DDS module first, and then the power is supplied to the control board to generate a waveform. Long press the middle button to switch the function.
 
(6) The delivered code is only used for the supporting main control board, and does not provide a single-chip tutorial, additional functions need to be developed by themselves.

 

The following picture shows the test results of the AD9854 part. The picture is for reference only.
 
 

测试效果图

 

Frequently asked questions

 

Q: Can the main frequency and output amplitude of the module be adjusted?

A: The main frequency of the module is determined by the input clock and the program. The module can input the clock externally. The onboard default clock is 20MHz, and the program control frequency is 15 times, that is, the default frequency is 300MHz. The main frequency can be changed by modifying the input clock and frequency multiplier, and the output amplitude can be controlled by modifying the 12-bit amplitude register. You need to modify the program yourself.

Q: Can the module achieve frequency sweep? Can AM and FSK signals be generated?

A: The module can realize frequency sweep, the code provided by our store can support frequency sweep. The module can generate a simple AM signal, which needs to be programmed by itself; after generating the FSK signal, you need to configure the register, and then input the high and low levels from the FSK port of the module to generate the FSK signal

Q: Why is the waveform between channels not orthogonal when the frequency increases?

A: Due to the tolerance and delay effect of the filter, the higher frequency produces a different phase shift, so only when the frequency is lower is it strictly orthogonal.

 

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About Elecdemo:

Elecdemonded in 2015 , Elecdemo is a well-established technology company that integrates supply , R & D , prodund sales , supporting agents , franchises , customization and bulk purchases . We are committed to provid our customers with the best electronic functional module products at the lowest price . We have a professional design and production team to providecustomer service to help our customers greatly improve the efficiency of development,learn and research.

 

About Transpiration:

1. Global shipping, (except for some countriesand APO/ FPO)

2. Import duties: Taxes are not included in theprice or shipping costs. Customs fees are the responsibility of the buyer.

3. If the package is not delivered within 30 days. please contact us. We will help you solve the problem.

 

About Delivery:

1. We will process the order in time after the payment is confirmed. Due to the difference in inventory status and time, we will choose to ship from our first warehouse for fast delivery.

2. We only send to the confirmed order address. Your order address must match your shipping address.

3.Service transit time is provided by the carrier, excluding weekends and holidays. Delivery time may vary, especially on holidays.

 

About Guarantee:

1.  manufacturers limited warrantyon defective items(excluding items damagedand/or misused after receipt). The accessory is backed by a 3 month warranty

2. The displayed image is taken in real time, but due to different production batches, thecolor may be different. The picture is for reference only, and the actual object is subjectto the final one

3. The defective item must be reported and reurned within the warranty period(if possible,in the original packaging

4. If the product features do not match the advertisement, we will bear all shipping costs.

 

About Feedback:

1. If you are satisfied, please leave 5 stars positive feedback, we are very honored to receivea generous real assessment and photos, th !!!!

2. For any product or shipping problems, please contact us before opening a dispute orleaving any feedback/negative feedback, we will try our best to solve the problem untilyou are satisfied.

 

Returns and Refunds:

1. You have 7 days to contact us and you will not be able to return from the receipt date after30 days. If the item has been owned by you for more than 7 days, it will be considered usedand we will not refund or replace it. with no exceptions! Return shipping costs are theresponsibility of the buver.

2. All returned items must be in original packaging, you must provide us with a shippingtracking number.

3. If there is a return, please contact us in advance, we will help you solve it. If it cannot besolved online, we will accept your return and refund it to you.


 
 
 

 

 

Reviews

selller send it out within 4 days but it took almost 4 month to be delivered

2020-06-08 08:23:00

Consistent with the description. Recommend.

2020-07-07 11:19:00

2020-08-16 04:36:00