Video Signal Generators of 2025
Best Choice1
ALTINEX2K, 4K, 8K HDMI Signal Generator and Analyzer (TE460-138)
Main highlights- TEST PATTERNS AND RESOLUTIONS: The TE460-138 offers 40 selectable output resolutions and 20 static test patterns in Test Pattern mode, including a cable test function that is available only to TE460-402.
- HDMI SUPPORT: The TE460-138 includes HDMI input/output with 40 Gbps 8K UHD support.
- EASY AND ADVANCED MODE OPTIONS: The TE460-138 is designed with EASY and ADVANCED modes of operation. EASY MODE provides users with quick access to the most used features. All information is available on a single screen without the need to navigate the submenus for information. If users need to access more detailed information or features, ADVANCED MODE can be selected.
- COMPREHENSIVE ANALYSIS AND TESTING: The TE460-138 features include source video, audio, and timing analysis, EDID data emulation, HDMI packet analysis, and HDCP/SCDC monitoring functions. Cable Test is only available in EASY MODE with the TE460-402.
- AUDIO AND EDID MANAGEMENT: The TE460-138 supports LPCM audio output with customizable sinewave frequencies and provides comprehensive EDID management with built-in and user-defined options.
9.6Exceptional
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Value for Money2
gofancogofanco Prophecy Portable HDMI Tester Signal Pattern Generator Analyzer, Up to HDMI 2.0a 4K @60Hz 4:4:4 HDR 18Gbps, Battery Powered, HDCP 2.2, Firmware Upgradeable, TAA Compliant (PRO-HDMI2Gear)
Main highlights- In CABLE mode – Verifies the wire condition of HDMI cables and provides a cable quality indicator to help understand the cable condition before deployment. This is especially important with high bandwidth HDMI 2.0 signals
- HIGH QUALITY COMPONENTS – FCC, CE & RoHS compliant. Made in Taiwan. ESD Protection prevents malfunction or breakdown. Our products are backed with a 1-year limited warranty and experienced tech support team in Silicon Valley. If you have any questions or concerns, visit our gofanco website or click on our name in the buy box and select "Ask a Question".
- Emulating SOURCE device – Provides video patterns up to HDMI 2.0a 4K @60Hz 4:4:4 or 4K HDR, and also HDMI 1.4 resolutions, such as 1080p and 720p. With adjustable color space, color depths and HDCP, installers can instantly test the connected display’s capability
- Emulating SINK device – Detects HDMI fundamental information from the source device, such as resolution, frame rate, and HDCP version. Take the guess work out of tedious HDMI compatibility issues
- 3 MAJOR FUNCTIONS – (1) Generate popular HDMI signals; (2) Detect important HDMI features; (3) Examine cable quality. Hand-held, pocket size and battery powered for portability. Up to 3 operation hours with a full charge. A great tool for installer.
9.3Excellent
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3
gofancogofanco Prophecy SDI to HDMI Converter Scaler with 3.5” LCD Panel – 1080p 3G/HD/SD-SDI to HDMI - SDI Loopout, On-Screen Monitoring and Control, Eye Diagram, Test Pattern Generator, TAA Compliant
Main highlights- Supports eye diagram scanning for input signal integrity, and generates a variety of test patterns
- MADE IN TAIWAN & HIGH QUALITY COMPONENTS – FCC, CE & RoHS compliant. Our products are backed with a 1-year limited warranty and experienced tech support team in Silicon Valley. If you have any questions or concerns, visit our gofanco website or click on our name in the buy box and select "Ask a Question"
- Features audio level bars, cable length indicator, de-interlacing, noise reduction, video enhancements, video H/V mirror, active video area adjustment
- Equipped with an SDI loopout, Stereo audio extraction (PCM, 48KHz up to 8-channel), control buttons, firmware upgradable via Micro-USB
- 3G/HD/SD-SDI to HDMI Converter/Scaler with a 3.5” LCD panel to monitor and control through OSD, such as resolution and image adjustments. Supports up to 1080p @60Hz and other VESA standard resolutions
9.1Excellent
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4
Gam3GearGam3Gear HDMI Scanline Generator Portable Audio Video Output HDMI Image Scan Line Generator Function Board for All Retro Games/Gamers/Mame/Arcade Game/Emulator
Main highlights- Note: If you experience screen cutoff or display issues, please try adjusting the output resolution settings on your game console for optimal compatibility and full screen display.
- D：WIDTH--->Width switch（Dual or Singular scan lines）
- B：HDMI In（HDMI Video-Signal In Interface）.
- A：HDMI OUT（HDMI Video-Signal/Audio-Signal Out Interface）
- Arcade game video image produces the scan line effect，classic，nostalgia，Perfect recall of CRT.15KHZ video image display effect，Re-experience arcade game classic picture，Feel again the wonderful image of the scan line.
Scan Line Generator Function Switch
8.8Very Good
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5
ComimarkComimark 2Pcs VGA Signal Generator LCD Display Tester 7V-12V Power Input
Main highlights- We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
- Resolutions:640*480 800*600 1024*768 1280*1024,With frequency switch and image switching button(All are independent micro switch control).
- Package Included: 2Pcs VGA Signal Generator LCD Display Tester 7V-12V Power input(If the number of products received is incorrect, please contact us . we will refund or give you a replacement).
- Main chip dual in-line with a socket, ideal for electronics enthusiasts upgrade or replace the chip.
- Application: LCD monitor, LCD TV.
8.7Very Good
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6
Seesii1Hz-500kHz DDS Signal Generator with Schumann Resonator, Portable Multifunction Waveform Generator with AC/DC Power, Ideal for Oscilloscope Calibration, Audio Testing, and Stress Relief
Why we love it
Portable with dual power options.
Versatile waveform generation.
Includes stress-relieving Schumann resonator.
8.4Good
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7
HaldzemoHaldzemo DC5-15V NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Rectangular Wave Signal Generator Compatible for Arduino (9 Pack)
Main highlights- Used to generate a square wave signal to drive a stepper motor driver.
- Used as a square wave signal generator to produce square wave signals for experimental development.
- Main Chip: NE555, Input voltage: 5V-15VDC (When power supply is 5V, the output current can be 15 MA around. When power supply is 12V, the output current can 35MA around.)
- High level, LED will off. Low frequency, the LED flashes.
- Generates adjustable pulses for use by the MCU. Generate adjustable pulses to control related circuits.
8.2Good
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8
WeewoodaySignal Generator Kit, XR2206 Precise Function Signal Generator Frequency Module DIY Kit Sine Triangle Square Output Adjustable 1Hz-1MHz, 9-12V Direct Current Input(1 Piece)
Main highlights- Triangle wave: Amplitude: 0-3V at 9V DC input; Linearity: less than 1% (up to 100 KHz) 10 mA
- Square wave parameters: Amplitude: 8V (no load) at 9V DC Input; Rise Time: less than 50ns (at 1KHz); Fall Time: less than 30ns (at 1KHz); Symmetry: less than 5% (at 1KHz)
- Sine wave parameters:Amplitude: 0-3V at 9V DC input; Distortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kHz
- Parameters: Voltage Supply: 9-12V DC Input; Waveforms: Square, Sine, Triangle; Impedance: 600 Ohm + 10%; Frequency: 1Hz-1MHz; Amplitude: 0-3V at 9V DC; InputDistortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kaHz
- Good precision: the XR2206 function signal generator is precise, with a transparent case box shell for good assemble; Amplitude: 0-3V at 9V DC input; Distortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kHz
8.1Good
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9
SeesiiUpgraded MR9270S+HART 4-20mA Signal Generator,Seesii Current Voltage Adjustable Analog Simulator, Real-time Curve, Historical Record,PT100 Thermocouple Pressure Transmitter Recorder Function Generator
Main highlights- Real-time Curve Display:The changing trend of input and output signals can be displayed by drawing a real-time curve, and the sampling time of the curve can be set. The current-voltage analog simulator can also automatically adjust the display curve within the range of the maximum and minimum values within a certain period of time
- Programmed Output: The user can make the MR9270S+HART signal generator rise and fall automatically with two modes, the first mode: set the start point, end point and number of cycles to start working; Advanced mode, where the signal changes are set by the parameters
- High Performance Configurations: This function generator is designed with a 2.4 inch high-definition LCD screen and functionally distinct silicone buttons, providing clear display and easy operation. Features long standby time, high horizontal accuracy, programmable output, etc. Faster and more accurate measurement performance, you can easily cope with measurement testes in various fields
- Converting Signal & USB Firmware Update: Input can be converted into another kind of output. For example, Input Hz signal, then convert them into current output.And the device can get bug fixed and new function through firmware update via usb
- 2023 Version Signal Generator:The upgraded signal calibrator can measure and output various signals, including voltage, current, thermocouple, resistance, and thermal resistance signals. It support multiple signal switching, 0-24mA Current Signal,0 to 24V Voltage Signal, XMT Passive Current Signal,Hz Pulse Signal and other signal. With a wide range of functions,HART communication, MODBUS master station, paperless recorder,signal conversion, real-time curve, programming output, etc
8.0Good
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10
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.
7.9Good
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