The Best Adjustable Frequency Generator of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best Adjustable Frequency Generator of 2022. Check our ranking below.
2,730 Reviews Scanned
Rank No. #1
DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module
- PARAMETER --- working voltage range 3.3V-30V; frequency range 1Hz-150kHz/1Hz-15kHz; output current 5-30mA; frequency accuracy 2% in each range.
- APPLICATION --- as square wave signal generator for experimental development; as square wave signal generator for motor driver; as adjustable pulse generator for MCU; as adjustable pulse generator for PWM dimming, speed regulating, etc.
- DISPLAY--- clear LCD displays frequency & duty ratio value.
- MODE --- 2 modes, normal mode & accurate mode.
- FEATURE --- with lock function; PWM output, can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto saved after setting.
Rank No. #2
Signal Generator, MiOYOOW 1Hz-150KHz 1-Channel Adjustable PWM Pulse Frequency Generator Module DC 3.3V-30V 5-30mA LCD Display Module
- Adjustable Frequency Range: from 1Hz to 150KHz
- Shell Protection and Clear LCD Display: Display both Frequency and Duty Cycle in more clear status
- Support power-down memory function: no need to set the data after power-off
- Support UART, DC 3.3V-30V voltage, 5-30mA output current
- Wider Application: Square wave signal generator, generating square wave signal for experimental development;generating square wave signal that controls the motor driver; Generating adjustable pulses for MCU and so on
Rank No. #3
DKARDU PWM Signal Generator Module 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display with red and Black Cable
- 【Parameters】: Work voltage range is DC 3.3V-30V; the frequency range is 1Hz-150kHz/1Hz-15kHz; the output current is 5-30mA.
- 【Dual Work Mode】: Normal mode & accurate mode.Regular mode with 1% duty cycle steps.Precision mode with 0.1% duty cycle steps.
- 【Support power-down memory function】: no need to set the data after power-off. Knob supports lock function to avoid misoperation.
- 【With lock function】: PWM output can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto-saved after setting.
- 【Wider Application】: Square wave signal generator, generating square wave signal for experimental development, generating square wave signal that controls the motor driver, and generating adjustable pulses for MCU Dimmer; Dimmer; Speed governor, and so on.
Rank No. #4
Coliao 2pcs Signal Generator XY-KPWM 1-Channel 1Hz-150KHz PWM Pulse Frequency Generator DC 3.3V-30V 5-30mA Function Generator Duty Cycle Square Wave Generator Adjustable Module LCD Display
- 【PWM Pulse Frequency Generator】 Work voltage range: DC 3.3V-30V; frequency range: 1Hz-150kHz/1Hz-15kHz; output current: 5-30mA.
- 【XY-KPWM Signal Generator】PWM frequency supports 2 working modes. Normal mode with 1% duty cycle steps, . Precise mode with 0.1% duty cycle steps. High frequency range, high precision.
- 【With Locking Function】Knob supports lock function to avoid misoperation. Can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto-saved after setting.
- 【Square Wave Signal Generator】Generating square wave signal for experimental development, generating square wave signal that controls the motor driver, and generating adjustable pulses for mcu dimmer; dimmer; speed governor, and so on.
- 【Function Generator Module 】PWM signal generator use potential encoder to adjust, easy to use; shell protection and clear LCD display, PWM with switch. (Package contains 2pcs signal generator)
Rank No. #5
DAOKI 5 Pack NE555 Pulse Generator Adjustable Frequency Single Channel Output Module for Arduino Smart Car with Dupont Cable
- On-board chip NE555.
- A single channel output, the output duty cycle square wave is about fifty percent.
- Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.
- Working voltage: 5-12V
- Size:1.0*0.5"
Rank No. #6
Digital 2 Channel PWM Square Wave Pulse Signal Generator Adjustable Frequency Duty Cycle 100% 1Hz-150KHz Module by Envistia Mall
- Digital square waveform generator module support 1Hz-150KHz frequency and 0%-100% duty cycle adjusting independently through the on-board momentary push button
- Dual channel fequency signal and duty cycle complementary output
- 5V - 30V input (supports micro USB 5V input), 3 digit LED displays the parameters, serial communication interface to connect and controlled with an MCU
- Used as a square wave generator to generate square wave signals for experimentation and control, driving stepper motors, generating adjustable pulses for microcontroller use, or generating adjustable pulses for PWM control of lighting and LEDs
Rank No. #7
Onyehn XR2206 High Precision Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Adjustable Frequency Amplitude + Transparent Case Box
- High Precision, can generate sine/triangle/square waveforms.
- Output frequency range: 1Hz-1MHz and Adjustable frequency and amplitude.
- Wide power supply range, use 9-12V external power or 9V battery(NOT Included).
- This is a DIY kit with All are through hole components,easily assemble the Function Generator by yourself.
- Sine wave parameters:Amplitude: 0-3V at 9V DC input; Distortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kHz.
Rank No. #8
Coliao 2pcs ZK-PP1K PWM Pulse Signal Generator Frequency Generator 1Hz-150kHz Dual Mode LCD Display 3.3-30V 5-30mA PWM Pulse Frequency Duty Cycle Adjustable Square Wave Signal Generator
- 【Signal Generator Parameters】Work voltage: DC 3.3v~30v, with anti-reverse polarity protection; Frequency range:1Hz~150KH, the accuracy is about 2%; Duty cycle range:0-100%, 1% step; Number of pulses: 1-9999, or infinite (display '----' means infinite); Delay output time: 0.000s-9999s, the minimum can be set to 1ms; Positive and negative pulse width length: 0.000s-9999s, the minimum can be set to 1ms; Signal carrying capacity: ZK-PP1K: less than 30mA.
- 【Dual Mode】Signal Generator ZK-PP1K PWM controller has 2 modes: PWM mode: adjusting frequency, duty cycle. The number of pulses is not adjustable, and the waveform is continuously sent; PULSE mode: positive pulse width time, negative pulse width time, delay start time, and the number of pulses are adjustable; With the start and stop button (ZK-PP1K can be connected to an external switch to control the output signal ON/OFF); Wide voltage input 3.3V-30V, with anti-reverse connection protection.
- 【PWM Pulse Generator】Instruction: 1. An output waveform when powered on; 2. Waveform amplitude = power supply voltage; 3. When the number of output pulses reaches the set value, the output will be automatically stopped, and 'OUT' will disappear; 4. Press the ON key to control the presence or absence of the waveform, the disappearance of OUT means that there is no output waveform, and the output is 0; 5. Power on and restart or ON key to turn on the output, and recalculate the number of pulses.
- 【Frequency Generator Features】ZK-PP1K can be matched with drivers to realize dimming, speed regulation, control solenoid valves, etc., but cannot directly drive loads such as electric light motor solenoid valves, etc.
- 【Function Generator Applications】PWM signal generator, square wave rectangular wave signal generator can be used used to generate square wave and rectangular wave signals to control DC motor or stepper motor driver; it is used for servo motor, stepper motor, electric gripper, replace PLC pulse, etc.
Rank No. #9
Signal Generator ECUTEE Low Frequency Signal Generator 10Hz-1MHz Audio Adjustable Signal Generator TAG-101 110V
- Our low frequency signal generator uses reliable circuitry to ensure high stability and accuracy. Sine and square waveforms are available. The output level can be adjusted by a 6-step attenuator with 10dB steps and a level regulator.
- The signal generator has a frequency range from 10Hz to 1MHz, with a choice of 5 ranges, and is calibrated with a single graduated scale.
- The sine wave of this audio adjustable signal generatord is greater than 5Vrms at no load and greater than 2.8Vrms at 600Ω load.
- The vertical type panel integration used in our audio signal generator ensures the ease of use of the device and makes operation easier and more convenient. It is easy to operate on vertical type panel assembly.
- The signal generator is made of high-quality materials, durable and wear-resistant for long-term use. Use as a sine wave oscillator. Measures the gain of the amplifier.
Rank No. #10
Anmbest 5PCS DC5-15V 4.2V V-PP to 11.4V V-PP NE555 Pulse Frequency Duty Cycle Adjustable Generator Module Square Wave Rectangular Wave Signal Generator
- Main chip: N5555;Input voltage: DC5-15V; Output amplitude: 4.2V V-PP(5v input) to 11.4V V-PP(12V input); Output frequency 1Hz-50Hz, 50Hz-1KHz, 1KHz-10KHz, 10KHz-200KHz Four Optional.
- There are 4 jumpers and 2 variable resistors on the module, users can adjust the output wave with these components, to get their ideal wave easily.
- Output LED indicator,: low-level LED light, high-level LED off, the frequency is low when the LED flashes.
- Capacitive capacity determines the frequency range, the user can calculate the adjustment according to their own needs.
- The output duty cycle can fine-tune. Duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency.
Last update on 2024-01-25 / Affiliate links / Images from Amazon Product Advertising API
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