Programmable Signal Generators of 2025
Best Choice1
GoupchnGoupchn Programmable DDS Signal Generator 60MHz Dual Channel Arbitrary Waveform Function Generator Frequency Meter Cell Phone Control Signal Source
Main highlights- Voltage Controlled: The frequency, amplitude and duty cycle of the output can be controlled by an external analog voltage signal to achieve voltage-controlled sweeping frequency, sweeping amplitude and sweeping duty cycle, which are widely used in industrial debugging.
- Programmable Output: The type of waveform output such as sine wave, square wave, triangle wave, arbitrary wave, output time and output sequence can be freely formulated to realize automatic work. You can use the mobile phone software to control the signal source to work.
- Package include: 1 set PSG9060 signal generator, 1PC charger cable, 1PC bnc male to male test lead, 1PCS USB data cable, 1PC bnc to alligator clips test leads, one quick start manual.
- Modulation: The modulated waveform can be output in single channel or dual channel. The process of adding information from a signal source to the carrier to make it suitable for channel transmission. It is the technology that makes the carrier wave change with the signal.
- Firmware Update: Firmware upgrade can be updated at any time to fix bugs, or used for your special customization needs. Press the corresponding soft key to confirm entering the update mode, and perform a one-key firmware upgrade by connecting with the PC software.
9.8Exceptional
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Value for Money2
RiiaiRiiai 4 20ma 0 24V Signal Generator, Programmable Current Voltage Generator, Resistance Millivolt Thermocouple Tester, Real-time Curve, Historical Record, 3000mAh USB Rechargeable, for PLC Simulator
Main highlights- Real-time Curve & Historical Record： Riiai 004 model 4-20ma signal generator supports 4 groups of commonly used signal values that can be preset to facilitate quick adjustment of output. The current-voltage analog simulator is designed to automatically display the changing trend of input and output signals by the real-time curve, and the sampling time of the curve can be set. Compared with the 003 model, it supports recording and viewing a certain amount of historical data in an easier way
- Programmable Output & Wide Application： The 0 24v DC signal generator has the output function of auto, continuously changes the size according to the set parameters, and chooses three modes: monotonous rise, monotonous fall, and cycle. 4 groups of commonly used signal values can be preset to facilitate quick adjustment of output. It is widely used for PLC and panel debugging, device testing, frequency converter, flow valve, servo motors speed regulation, light dimmer, etc
- Multiple Interface Terminals：The 0 to 24V DC signal generator kit adopts 4 inner diameters and 4mm wiring ports on the top surface that are represented by different color rings. The Blue port (IN-) is an alternate function, and it is also an input that can be switched to a 24V independent test power supply. The Red (OUT) port and Black (COM) port form an output port. Yellow (IN+) and Blue(IN-) form the input port. Users can choose the correct color cables and ports to start testing
- More Conversion Choices：Riiai 004 pocket millivolt generator can support switching more signal modes under different signal types: mA Current Signal (0 to 24 mA, resolution 0.001mA), V Voltage Signal (0 to 24V, resolution 0.001V), XMT Passive Current Signal (0 to 24mA, resolution 0.001mA), Hz Pulse Signal (Frequency Output 0 to 9999 Hz, resolution 5 digits), Resistance (0-390Ω, resolution 0.1Ω, temperature unit set to Celsius or Fahrenheit), Millivolt (-10-100mV, resolution 0.01mV)
- 3000 mAh USB Rechargeable & TFT Screen： With a 3000mAh 3.7V USB rechargeable battery (charged via a micro 5V USB port, the adapter is not included), the thermocouple calibrator can be fully charged within 4-6 hours, with a working time of up to 26 hours. It takes longer time to use and makes it easier to know the value changes through the clear 2.4-inch TFT screen display, and users can adjust the screen backlight according to the field
9.7Exceptional
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3
Seesii18% OffProfessional Upgraded DDS Signal Generator Counter, Seesii 60MHz LCD Display High Precision 200MSa/s Dual-Channel Arbitray Waveform Function Generator Frequency Meter
8.7 Simple to use8.2 Precision8.0 DurabilityWhy we love it
Enhanced signal stability with advanced FPGA and MCU.
Stores 99 custom settings; user-friendly software included.
Precise, low-distortion output with multiple waveform options.
9.6Exceptional
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4
FNIRSIFNIRSI SG-003A Signal Generator - 0-24mA 0-24V Current Voltage Adjustable Analog Simulator, Preset Value, Real-time Curve, Historical Record, Multiple Signal Programmable Function Generator
Main highlights- 【Signal Conversion】FNIRSI SG-003A signal generator can convert input signals into an output signal, and converted into different physical quantities. The input signal is converted into a current signal, and the input range is 0-1000 hz into 4-20 mA
- 【Real-time Curve】The change trend of input and output signals can be displayed by drawing a curve, and the sampling time of the curve can be set.The current-voltage analog simulator can also adjust the curve within the range of the max and min values
- 【Preset Value & Output】FNIRSI SG-003A supports 4 groups of signal values can be preset and the output function of continuously changing the size according to the setting parameters, and can select three modes: monotonous rise, fall and cycle
- 【Physical & Engineering】Signals are displayed as physical or engineering (ie pure quantity) values. For example: the current signal of 4-20 mA corresponds to 0-100, that is 4 mA corresponds to 0, 12 mA corresponds to 50, and 20 mA corresponds to 100
- 【Multiple Port Signal Generator】The Blue (IN-) is an alternate and it is also an input port that can be switched to a 24 V test power supply. Red(OUT) and black(COM) form an output port. Yellow(IN+) and Blue(IN-) form the input port
9.5Excellent
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5
HOBBYINHOBBYIN Upgraded 15MHz DDS Signal Generator Counter,JDS6600 Dual Channel Programmable DDS Function Arbitrary Waveform Signal Generator Pulse Signal Source Frequency Meter
Main highlights- 5. Convenient Measurement Features: The signal generator also includes a frequency meter function for accurate frequency measurement in the range of 1Hz to 100MHz, as well as a counter function with manual operation for counting tasks.
- 4. Wide Frequency Range: This signal generator supports various waveforms with frequencies ranging from 0~15MHz for normal modes and square/triangle waves, and 0~6MHz for sawtooth/arbitrary/TTL digital signal waves.
- 3. Adjustable Duty Cycle: Each channel of this signal generator can have its duty cycle adjusted separately with a precision of 0.1%, allowing for precise control and customization.
- 2. Versatile Functionality: With a full range of 0.01Hz frequency resolution and various waveform options including sine, square, triangle, and more, this signal generator can meet a wide range of testing and experimental needs.
- 1. High Precision: This signal generator offers high frequency precision up to 10-6 orders of magnitude, ensuring accurate and reliable results.
9.3Excellent
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6
SeesiiSeesii Upgraded SG-003A Signal Generator, 4-20mA 0-24V Adjustable Analog Current Voltage Generator Simulator with Real-time Curve, Historical Record, Multiple Signal Programmable Function Generator
Main highlights- Versatile Signal Options: The SG-003A signal generator supports multiple signals, including 0-24mA current, 0-24V voltage, XMT passive current, and Hz pulse. This versatility ensures you have the right signal for various professional applications
- Real-time Curve Display: View input and output signal trends with a real-time curve; set the sampling time for the curve; the simulator adjusts the display curve automatically within a set range
- Quick Preset Adjustments: SG-003A features 4 groups of preset signal values for fast adjustments. It also converts input signals into different output types, making it a highly practical and reliable tool for professionals across different fields
- Programming Output: Automatically adjusts output size based on settings; select from three modes: monotonous rise, monotonous fall, or cycle
- Multiple Port Signal Generator: Features 4 inner diameters and 4mm ports; Blue(IN-) is an alternate function/input, switchable to a 24V test power supply; Red(OUT) and Black(COM) form output; Yellow(IN+) and Blue(IN-) form input; color coding for easy identification
9.2Excellent
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7
GenericGeneric FY6900 DDS Signal Generator, 60MHz Frequency Meter Counter, 250MSa/s Double Channel Function Generator, Arbitrary Waveform, High Precision, LCD Display with Graphics
Main highlights- Signal generator can sweep 4 properties of signals (frequency, amplitude, offset and duty cycle), and has 2 sweep types (linear and logarithm), sweep time of 0.01S~999.99s, and up/down/roundtrip sweep directions
- Signal generator can be used independently or controlled via computer host software, providing 3 windows - waveform window, text window, and control window
- Function generator has a built-in high D/A converter chip to provide high anti-interference, sampling rate of 250MSa/s, vertical resolution of 14bits
- Frequency generator features a 2.4” TFT color LCD display to show parameters and graphics of the two channels at the same time
- DDS-based signal generator (Direct Digital Synthesizer) offers high stability, high precision, and low distortion
9.1Excellent
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8
RiiaiRiiai Upgraded 4-20mA 0-24V Current Signal Generator, Current Voltage Adjustable Analog Simulator, Real-time Curve, Multiple Signal Types, 3000mAh USB Rechargeable, Preset Value, for PLC Testing
Main highlights- 【Programmable Output】 The 4-20 ma signal generator has the output function of auto, continuously changes the size according to the set parameters, and chooses three modes: monotonous rise, monotonous fall, and cycle
- 【Precise Conversion of Various Signal Types】 The 4-20ma signal generator is upgraded to support switching various signal modes available under different signal types: mA Current Signal (0 to 24 mA, precision 0.01mA), V Voltage Signal (0 to 24V, 0.01V), XMT Passive Current Signal (0 to 24mA, precision 0.01mA), Hz Pulse Signal (Frequency Output 0 to 9999 Hz, precision 5 digits). The input signal can be converted into an output signal among different physical quantities
- 【Multiple Interfaces to Choose】 Main interface programmable output. Input waveform interface: switchable input current graph display, input voltage graph display. VCA conversion interface: switchable voltage to active current, voltage to passive current, current to voltage. Automatic interface: automatic mode can be set for single ascent, single drop, and loop. PWM interface: Output PWM signal, voltage, frequency, and duty cycle can be set
- 【Built-in 3000 mAh USB Rechargeable】 With a 3000 mAh 3.7V built-in USB rechargeable battery embedded inside (charged via a micro 5V USB port), the function generator can be fully charged within 4-6 hours. Its working length of up to 26 hours allows for a longer working period
- 【2.4 Inch TFT Colorful Screen】 Designed with an adjustable pressing button backlight and a high-definition 240*320 TFT color LCD screen, it makes the signal generator kit for PLC testing easier for users to operate at night and during the day
8.9Very Good
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9
N\PLB78 Current Voltage Signal Generator, 4-20mA /0-10V/mV Signal Source Calibrator Tester, LCD Display
Main highlights- 【Special design】Rational key layout, all functions have independent corresponding keys, which are easily to be operated. Fast speed and zero delay for key response.
- 【Self-protection signal generator】Built-in one-time quick-break fuse can avoid instrument damages caused by misinserting electric supply with 110V or 220V.
- 【Long working time】Built-in Battery, low power dissipation and long stand-by time. It has long-term stability and high precision.
- 【High quality calibrator】LB78 functions cover most functions required for maintenance of PLC, DCS, ESD, field instrument, regulating valve and frequency changer. Some key chips such as DA, reference voltage and operational amplifier adopts stable chips with high temperature and high temperature, to improve temperature stability of instrument and long-term aging performance index.
- 【Compact and portable】It adopts a brand shell and chooses grit finish, resistance soiling and anti-scratch. Its size is small and is easy to be carried.
8.7Very Good
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10
TestHelperTestHelper TH-71B Handheld Signal Generator Source Simulator Meter,DC Voltage Current Thermocouple K/E/J/T/B/R/S/N,24V Loop,V/mA Step Output
Main highlights- Voltage and current and thermocouple measurement and source output
- The display screen is backlit and the meter has a flashlight on the back
- Manual step output for V and mA and auto waveform output.
- Basic accuracy 0.2% for measure and source output
- 24V loop supply
8.6Very Good
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