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Description
AD9954 DDS Signal Generator Module Sine Wave Square Wave RF Signal Generator 400M Dev Board Microwave Signal Generator
Product Description
AD9954 is a direct digital frequency synthesizer (DDS), using the latest technology, built-in a high-speed high-performance DAC, form a complete digital programmable, high-frequency synthesizer, can produce up to 150MHz frequency agile analog output sine wave. It can achieve fast frequency hopping, and also has precise frequency tuning (0.01Hz or higher resolution) and phase harmonics (0.022 ° interval), the standard program is adjustable 1hz. If users need higher precision, they need to change the program by themselves. Can be programmed through a high-speed serial I / O port. The device's built-in static RAM supports flexible frequency sweep functions in multiple modes and supports user- defines linear scan modes; At the same time, an on-chip high-speed comparator is built in, suitable for applications requiring square wave output. With the help of the on-chip oscillator and PLL circuit, users can create the system clock of the device in various ways. AD9954's rated operating temperature range is the extended industrial temperature range
Specification
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Module model
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AD9954
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Module type
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digital synthesis frequency source
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Power supply module
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DC-5V
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Module current
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100mA (MAX); quiescent current 48mA (TYPE) normal stick current 92mA (TYPE)
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Communication protocol module
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SPI serial
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Module offers routines
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STM32F103RCT6
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Routine platform
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STM32F103X-M3 KEIL5 version source code
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Module system main frequency
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400MHz (MAX)
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DAC resolution digits
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14 digits
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Phase accumulator bits
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32 bits
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Module output interface
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SMA; 24 hour salt spray anti-oxidation
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Module output signals
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sine wave, square wave; sine wave with 150MHz low-pass filter. Square shaft coupling output.
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Module output channel
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2 channel differential; phase difference is 180 degrees, high frequency output will have phase shift due to filter
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Signal characteristics
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the sine wave has no coupling output; the output has its own DC component. When you are connected to the radio frequency equipment, please add a DC block, or you can directly use an oscilloscope to measure
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Highest main frequency output sine signal range
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1Hz-140MHz
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Max main frequency output square wave signal range
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1Hz-120MHz 10MHz or more requires an oscilloscope input impedance of 50
ohms |
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Output amplitude
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sine wave 200mVpp (MAX) square wave 3.3 Vpp; sine wave amplitude decreases with increasing frequency, square wave waveform changes with increasing frequency
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Output impedance
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75 ohms
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Module features
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several; high-performance DDS sine signal generator, high-order elliptical filter,
Low noise regulator chip, etc. |
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Module application
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several; frequency signal generation, sine wave, square wave signal generation, sensor excitation
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Module specifications
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70 * 60 * 12; length * width * height-PCB size
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Module interface type
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SMA signal output and external clock input, DC 5.5 socket XH 2.54 dual-row pin data interface
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Installation Instructions
Precautions for using the module：
(1) The module is a low-power consumption module, and the power supply does not exceed 5.5 V.
(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 on BNC cable to directly observe the output signal for the output signal. Poor contact or poor quality wires can cause signal attenuation or excessive noise.
(4) The supplied code is only used for supporting main control board, and does not offer a microcontroller tutorial; additional functions have to be developed by yourself.
(5) If you simply need to test the function of the module, it is recommended to use the control board from 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 get the function.
(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 on BNC cable to directly observe the output signal for the output signal. Poor contact or poor quality wires can cause signal attenuation or excessive noise.
(4) The supplied code is only used for supporting main control board, and does not offer a microcontroller tutorial; additional functions have to be developed by yourself.
(5) If you simply need to test the function of the module, it is recommended to use the control board from 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 get the function.
Details Images