Three Channel DDS Function Waveform Signal Generator Sine/Square + Big LCD

Description

• 1), three channel output mode function
• 1, three completely independent channels, and each channel hardware parameters are consistent.
• 2, each channel can output sine wave, square wave, triangle wave, sawtooth waveform .
• 3, the three channel waveform, frequency, amplitude, initial phase can be independently set by keyboard.
• The phase between 4 arbitrary three channel, two channel difference can be set.

2) PWM mode
1, design of a road of independent PWM wave output, PWM frequency and duty cycle can be set independently.
3), sweep frequency mode function
1, there are three kinds of linear scanning mode: ascending zigzag scanning, descending sawtooth scanning, triangle scan.
2, sweep function:
Scanning the dwell time: 1uS to 16S (due to the use of FPGA pure hardware
implementation sweep function, so it can realize the dwell time, very wide i.e. scanning speed can be set very quickly, you can also set the very slow, flexible adjustment, convenient for users to more easily meet user requirements)
Sweep bandwidth: the bandwidth of the signal source output
Scanning step value: the minimum 0.1HZ
3, each kind of scanning mode, the phase of the output signal is continuous.
4, sweep frequency output channel, can be arbitrary choice of three channels in a.
5, sweep frequency signal waveform type, initial phase, amplitude can be set.
6, the initial frequency sweep in and stop frequency, according to the scanning mode setting, automatic judgment by the program. Users only need to set the initial frequency and stop frequency value, to determine the sweep frequency bandwidth can be.
7, if the user to set the frequency sweep parameters are not appropriate, the program automatically judgment, and gives the reference.
8, the three scanning modes, have increased the frequency sweep remain locked function,
a control signal input from the outside, when the control signal is low, frequency sweep can real-time remain locked in a certain frequency point, when the external signal is high level, continues to start again from the frequency sweep point to keep
9, the three scanning modes, have increased the sweep sync signal output function, each of the synchronization signal rising edge, began a sweeping period.

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