Description:
AD9954 DDS Signal Generator 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.
400MHz DDS Signal Source Is 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.
Specifications:
- Module model: AD9954
- Module type: digital synthesis frequency source
- Power supply module: DC-5V
- Module current: 100mA (MAX); quiescent current 48mA (TYPE) normal stick current 92mA (TYPE)
- Communication protocol module: SPI serial
- Module offers routines: STM32F103RCT6
- Routine platform: STM32F103X-M3 KEIL5 version source code
- Module system main frequency: 400MHz (MAX)
- DAC resolution digits: 14 digits
- Phase accumulator bits: 32 bits
- Module output interface: SMA; 24 hour salt spray anti-oxidation
- Output impedance: 75 ohms
Features:
- Module output signals: sine wave, square wave; sine wave with 150MHz low-pass filter. Square shaft coupling output.
- Module output channel: 2 channel differential; phase difference is 180 degrees, high-frequency output will have phase shift due to filter
- The signal characteristics of the module: 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
- Highest main frequency output sine signal range: 1Hz-140MHz
- Maximum main frequency output square wave signal range: 1Hz-120MHz 10MHz or more requires an oscilloscope input impedance of 50 ohms
- Output amplitude: sine wave 200mVpp (MAX) square wave 3.3 Vpp; sine wave amplitude decreases with increasing frequency, square wave waveform changes with increasing frequency
- Module features: several; high-performance DDS sine signal generator, high-order elliptical filter,
- Low noise regulator chip, etc.
Package Included:
1 x AD9954 DDS Signal Generator Development Board