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AD9914 Development Board + STM32F4 Control Board 3.5GHz Sampling Rate DDS 10 Modulation Modes
Description:
AD9914 is a direct digital frequency synthesizer (DDS) with a built-in 12 digital-to-analog converter and a target operating rate of up to 3.5 GSPS. This device adopts advanced DDS technology, together with high-speed, high-performance digital-to-analog converters, to form a digitally programmable complete high-frequency synthesizer, capable of generating frequency agile analog output sine waves up to 1.4 GHz. AD9914 is designed to provide fast frequency hopping and precise tuning resolution (32-bit in standard mode, 64-bit in programmable modulus mode). This device also implements fast phase and amplitude frequency hopping. Frequency tuning and control words are loaded into AD9914 through serial or parallel I/O ports. It also supports working in a user-defined linear sweep mode, which can generate highly linear sweep waveform of frequency, phase or amplitude. In addition, a high-speed parallel data input port is integrated to support the high data rate of the polar modulation scheme and the fast programming of phase, frequency and amplitude tuning words.
Module Introduction:
1. Support 10 modulation modes.
2. Adopt STM32F401+ADF4350+AD9914 (ADF4350 provides 3.5GHZ local oscillator signal, ADF4350 uses 10MHZ temperature compensated crystal oscillator).
3. The power supply adopts +5V/2A.
4. Output frequency range: 1MHZ-1GHZ (sine wave output), if the customer needs frequency below 1MHZ, please explain in advance.
5. The output amplitude is adjustable, the maximum amplitude output is 600mVPP (50 ohm load).
Functions:
1. Single frequency output
2. FSK/ASK/PSK modulation mode
3. Triangular wave frequency sweep, amplitude sweep and phase sweep
4. Sawtooth wave sweep frequency, sweep amplitude, sweep phase
Application:
1. LO Agile Frequency Synthesis
2. Programmable clock generator
3. FM chirp source for radar and scanning system
4. Test and measurement equipment
5. Acousto-optic device driver
6. Polarization modulator
7. Fast frequency hopping
Package List:
-1 x AD9914 Core Board
-1 x STM32 Main Control Board
-1 x 5V/2A Power Supply
-1 x Type-C Cable
Note: The STM32F4 control board in this product package is not open source.
