This signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels. It is used as a signal source or excitation source for testing, and is widely used in production practice and technology.
Application:
Square wave signal generator, generating square wave signal for experimental development;
Used to generate a square wave signal that controls the motor driver;
Generate adjustable pulses for use by the MCU;
Dimmer;
Speed governor (controller)
Features:
1>.With outer casing
2>.LCD high definition display
3>.Supports UART
4>.Supports frequency adjustment
5>.Supports duty cycle adjustment
6>.High precision detection
7>.Supports power-down memory function
8>.1-Channel PWM output signals
9>.Dual Work Mode
10>.Knob supports lock function to avoid mis-operation
11>.Supports enable output
Parameters:
1>.Work Voltage: DC 3.3V-30V;
2>.Frequency range(Normal mode):1Hz~150KHz;
3>.Frequency range(Precise mode):1Hz~15KHz;
4>.Frequency accuracy: 2%;
5>.Duty cycle accuracy: 1% at Normal mode;
6>.Duty cycle accuracy: 0.1% at Precise mode;
7>.Duty cycle range: 0.00%-100%;
8>.Output Current: About 5-30mA;
9>.Output amplitude: Same to input voltage;
10>.Work Temperature: -40℃~85℃;
11>.Work Humidity: 0%~95%RH;
12>.Dimensions: 79*43*37mm.
Frequency set range:
There are two work modes, so it has two frequency ranges.
Normal mode: Frequency range 1Hz~150KHz.Duty cycle range 000%-100%. Duty cycle accuracy 1%.
Precise mode: Frequency range 1Hz~15KHz.Duty cycle range 0.00%-100%. Duty cycle accuracy 0.1%.
Enter the settings interface, then a quick press of the rotary switch in the normal running status to select frequency range.
Rotary potentiometer will set frequency value.
Keep pressing rotary switch for 10 seconds to switch Normal mode and Precise mode.
Keep pressing for 5 seconds to locking parameters to protect the parameters from being modified.
Pay attention to the position where the decimal point moves when rotary potentiometer is pressed.
Display 'XXX'. No decimal point. The minimum frequency is 1Hz.The frequency range is 1Hz ~ 999Hz.
Display 'X.XX'. The decimal point is the penultimate. The minimum frequency is 0.01KHz.
The frequency range is 1.00KHz ~ 9.99KHz.
Display 'XX.X'. The decimal point is the third last. The minimum frequency is 0.1KHz.
The frequency range is 10.0KHz ~ 99.9KHz.
Display 'X.X.X'. The decimal point is fully lit. The minimum frequency is 1KHz.The frequency range is 1KHz ~ 150KHz.
For example:
Display '100' means PWM output frequency is 100Hz;
Display '1.91' means PWM output frequency is 1.91KHz;
Display '52.1' means PWM output frequency is 52.1KHz;
Display '1.3.4' means PWM output frequency is 134KHz;
Duty cycle set range:
Quick pressing of potentiometer to select set duty cycle and rotary potentiometer to set duty cycle value.
Use steps:
1>.Connect to power supply;
2>.Press rotary switch for 10 seconds to switch Normal mode and Precise mode;
3>.Short press rotary switch to set frequency and change value by rotating switch;
4>.Press rotary switch for 2 seconds to set duty cycle;
5>.Keep press for 5 seconds to lock the set parameters;
6>.Test;
7>.Press button 'ON/OFF' to turn on or off PWM output;
8>.Remove power and connect load to use module.
Tutorial video: https://www.youtube.com/watch?v=5Ti6b5pBcT4
WARNING
