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They provide normal analog modulation such as AM, FM, and PM. Push your device and system within and beyond its limits. A block diagram of a simple sine wave/ square wave AF signal generator is given below: To test these types of communication systems, users will often create their own custom waveforms and download them into the vector signal generator to create the desired test signal. In combination with a remote control software, external power amplifiers and directional couplers, further applications can be covered, such as testing of conducted disturbances induced by high . Our technology operates up to the 70 GHz range, and includes bench top and portable options for greater flexibility in design and development. They also provide pulse modulation and pulse train generator. Common generator types include: continuous wave. What are the different types of signal generator? We will use it to determine the function of various . The signal generator, which produces the periodic signal having a frequency of Audio Frequency (AF) range is called AF signal generator. The term synthesizer is used for a device that generates audio signals for music, or that uses slightly more intricate methods. In the event of AM radio repairs. 1-16 of 302 results for "Rf Signal Generator" RESULTS Price and other details may vary based on product size and color. Test Tone Generator Confirm your country to access relevant pricing, special offers, events, and contact information. In addition, when used with baseband generator such as the SDG6000X, they can generate IQ modulated signals. We'd love to hear your thoughts. The Essential Signal Generator Guide: Building a Solid Foundation in RF-Part 1, Basics of Vector Signal Generators Part 1: Real-time waveform generation mode. The signal produced by a signal generator can be calibrated according to user specifications and adjusted on the basis of its frequency, impedance, waveform, modulation, and output voltage. It is different from a "pulse/pattern generator", which refers to signal generators able to generate logic pulses with different analog characteristics (such as pulse rise/fall time, high level length, ). The FES modules are designed to interface with your existing microwave signal generator operating up to 20 GHz and multiply its output frequency range to 500 GHz. pulse. Modern general-purpose signal generators will have a microprocessor control and may also permit control from a personal computer. A signal generator is an electronic device (or equipment) that generates repeating or non-repeating electronic signals (in either the analog or digital domains). . For an electronic musical instrument, see, "The Standard-Signal Method of Measuring Receiver Characteristics", "A History of the General Radio Company 1915-1965", Capacitor Sounds 1 - Low Distortion (sub 1PPM ) 1 kHz Test Oscillator, C Bateman, Electronics World July 2002, expanded March 2003, Function Generator & Arbitrary Waveform Generator Guidebook, Understanding signal generator specifications, Electrical and electronic measuring equipment, https://en.wikipedia.org/w/index.php?title=Signal_generator&oldid=1094927712, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 25 June 2022, at 11:17. Radio Frequency (RF) Signal Generator . Generates your desired frequency sound. 10 bids. The N9310A RF signal generator covers a frequency range from 9 kHz to 3 GHz. You can find out the resonance of the objects in your listening room, you can check by ear the linearity of the amplifier and of the . And our advanced LMS series offers low noise, fast 100 ms switching time, 100 Hz frequency resolution, phase-continuous frequency sweep (LFM), and high-speed internal and external pulse modulation. . Its performance-optimized reference signals-validated by Keysight-enhance the characterization and verification of your devices. Available 9 AM - 5 PM CET, Contact us with comments, For example, if a signal has to travel through a very long cable out to an antenna, a high output signal may be needed to overcome the losses through the cable and still have sufficient power at the antenna. An arbitrary waveform generator (AWG or ARB) is a sophisticated signal generator that generates arbitrary waveforms within published limits of frequency range, accuracy, and output level. Product Overview. Copyright 2022 Total Phase, Inc. All rights reserved. No product matches found - System Exception. Many people prefer the sound of 432Hz citing a calmer, more natural sound compared to its harsher relative, 440Hz. Advanced signal generators delivering unmatched performance in areas such as switching speed and phase control, enabling you to accurately simulate multi-emitter scenarios for radar, EW, and antenna test. 2018.01.11, Understanding Phase Noise Needs and Choices in Signal Generation, 3 Tactics for Configuring Phase-Coherent RF Signal Generation, Application Notes This has led to the development of the vector signal generator, which is also known as a digital signal generator. The rang. But when testing receiver sensitivity, a low signal level is required to see how the receiver behaves under low signal-to-noise conditions. Enable browser cookies for improved site capabilities and performance. For "Sync Trigger Source," select "Signal Generator". Every versatile signal generator can create unlimited number of signals to meet the debug challenges. Unlike a function generator that produces a small set of specific waveforms, an AWG allows the user to specify a source waveform in a variety of different ways. Some models go as high as 70GHz with a direct coaxial output, and up to hundreds of GHz when used with external waveguide source modules. Chat with Sales We are the measurement insight company committed to performance, and compelled by possibilities. Frequency Accuracy (Hz) = Output Frequency (Hz) x Aging Rate (ppm/year) x Time since last calibration = 10 GHz x 0.152 ppm/year x 1 (year) = 152 Hz In general, no device is suitable for all possible applications. B&K Precision's selection of signal generators--both handheld and benchtop--with a frequency range up to 120 MHz--include analog and digital function generators, pulse generators, and true arbitrary waveform generators in both analog and DDS (direct digital synthesis) architectures. The IFR 2031 Signal Generator, operates in the frequency range from 10 kHz to 2.7 GHz with a resolution of 0.1 Hz. Generate complex waveforms with the best overall signal fidelity, memory depth, and sample rate. Set the analyzer domain to "Time". An AWG is used in higher-end design and test applications. Other common names are signal sources, sources, and sig gens. These signal generators are capable of generating digitally-modulated radio signals that may use any of a large number of digital modulation formats such as QAM, QPSK, FSK, BPSK, and OFDM. Low Frequency Audio Signal Generator Power cord Test clip + Instruction manual. This frequency generator allows you to generate sine, square, sawtooth, or triangle waves in the 50HZ to 16000 HZ range. Our solutions range from the top-performance models capable of handling the most demanding signal generation tasks to midrange models featuring remarkably good RF characteristics, as well as compact solutions. Accuracy = F Set x t Aging x t Cal. the range of audio frequencies is 20Hz to 20KHz. Hse Audio Signal Generator and Analyzer for Win 8.1 Phone (For Windows10 Universal App - Phone - Tablet - PC: look in store for Signal Generator Analyzer. Vaunix LSG series Signal Generators can be configured to linearly sweep through a range of frequencies. Choose a country or area to see content specific to your location. The frequency modulated signal is produced by the VCO when the audio input signal is applied across the control voltage. With the advent of digital communications systems, it is no longer possible to adequately test these systems with traditional analog signal generators. 1. Signal generators are great instruments to use for evaluating applications that rely on radio frequencies to operate. Any RF signal generator that covers the required frequency range (80-1000MHz and above for IEC 61000-4-3, 150kHz-80MHz for IEC 61000-4-6) will be useable. In addition, since modern commercial digital communication systems are almost all based on well-defined industry standards, many vector signal generators can generate signals based on these standards. Audio Signal Generator Signal Source Low Frequency Signal Generator 10Hz-1MHz . If it can modulate the frequency amplitude or frequency makes it non replaceable tool for RF design works. Function generators are capable of arbitrary compiled waveforms. With its low price, reliable performance, and straight-forward functionality, it is well-suited for start-up research and development (R&D), service maintenance, manufacturing, and education. Advanced frequency synthesis with fractional-N divider makes for low SSB phase noise and sub-Hertz frequency resolution. Learn how to minimize measurement uncertainty with the right RF signal generator and measurement software to test your DUT effectively. There are a number of different types of signal generators, including RF signal generators, function generators, arbitrary waveform generators, and vector signal generators. A source that can produce a sine wave is referred to as a CW source. DDS Signal Generator. 2. A signal generator is an electronic device that generates either analog or digital electronic signals. Its output level must match the input requirement of the power amplifier with a margin of a few dB. It is also called an oscillator, since it produces periodic signals. Careers. This easy to build signal generator will generate signals covering a wide range from audio to RF. While circuits in an AF Generator can be somewhat complex, RF Signal Generators can be very complex. Pitch generators are typically used in conjunction with sound level meters, when measuring the acoustics of a room or a sound reproduction system, and/or with oscilloscopes or specialized audio analyzers. A signal generator is a generic term for a wider family of instruments. Regardless of the specific type, the output of a video generator will generally contain synchronization signals appropriate for television, including horizontal and vertical sync pulses (in analog) or sync words (in digital). With metrology-grade performance and evolving capabilities, they can serve your test needs now, and in the future. State-of-the-art signal generation for 5G and satellite communications testing. RF signal generators are required for servicing and setting up radio receivers, and are used for professional RF applications. The RF signal generator is a must to have tool when playing with radio receivers. These products offer a clean signal, broad frequency coverage, and high output power for multiple applications, with competitive functionality and performance against other signal generators in their class. The output frequency can be set precisely and it can be used as a sweep generator to test the frequency response of audio circuits, IF filters and more. The frequency range of a sweep-frequency generator usually extends over three bands, 0.001 Hz - 100 kHz (low frequency to audio), 100 kHz - 1,500 MHz (RF range), and 1-200 GHz (microwave range). For "Signal Source," Select "Microphone". Optimized for RF or microwave design validation and manufacturing test environments. More than 5Vrms at no load and more than 2.8Vrms on 600 loading (sine wave). There may also be some random variation in the output frequency. Chat with Sales, AFG31000 series arbitrary function generator. The usual voltage standards are: LVTTL, LVCMOS. Frequency range Output distortion: 400Hz-20KHz, 0.1% or less. This tutorial includes descriptions of signal generator terminology and specifications. A flexible, scalable modular platform that equips you with fast amplitude and frequency switching to reduce test time. An AF Signal Generator is a low frequency generator and an RF Signal Generator generates much higher frequencies. It will help you make an informed choice when selecting your next RF source. As signal modulation becomes more complex, you need a vector signal generator (VSG) to create intricate digital signals. 2018.01.25, Testing and Troubleshooting Digital RF Communications Receiver Designs. Learn how to address five fundamental challenges in the development of wireless receivers. The basic tools that are usually found the IF signal frequency generator. Another common type of signal generator, this one is used to produce signals in a specific range of bandwidth. Video signal generators are available for a wide variety of applications, and for a wide variety of digital formats; many of these also include audio generation capability (as the audio track is an important part of any video or television program or motion picture). A signal generator creates voltage waveforms at a desired frequency and applies them to a device under test (DUT). Otherwise, the developer will have to further investigate the anomalous or unexpected behavior of the device. Function generator: The most common signals created by a function generator are the sine wave, square wave, triangular wave, and sawtooth shapes. RF signal generators produce continuous wave radio frequency signals of defined, adjustable, amplitude and frequency. In contrast, military communication systems such as JTRS, which place a great deal of importance on robustness and information security, typically use very proprietary methods. An early example was the HP200A Audio Oscillator, the first product sold by the Hewlett-Packard Company in 1939. Contact Sales for product demos and consultations. Learn about phase noise signal generator fundamentals and ways to optimize phase noise for your application. The wide frequency range of the signal generator and the power meter offer the possibility to connect external amplifiers and directional couplers. And control fixed frequency using the crystal-3.579 MHz. Signal Generator XYZ-Apps Contains ads 4.6 star 1.96K reviews 100K+ Downloads Everyone info Install About this app arrow_forward Free Signal / Tone / Frequency Generator Features -. O, High-Speed Digitizers and Multichannel DAQ Solutions, Parameter and Device Analyzers, Curve Tracers, LCR Meters and Impedance Measurement Products, Instrument Control and Connectivity Software, Application-Specific Test Systems and Components, Laser Interferometers and Calibration Systems, Monolithic Laser Combiners & Precision Optics, MMIC Millimeter-Wave and Microwave Devices, Modern Slavery Act Transparency Statement, Meet your test requirements with the widest selection of signal generators-from essential signal generation to traceable, metrology-grade solutions, Stimulate your device and system using realistic signals with the highest signal integrity, Lower your cost of ownership with long calibration cycles and the most comprehensive solutions for self-maintenance, Create performance-optimized reference signals, Validate component, transmitter, and receiver testing, Speed signal creation and reduce simulation time. Koolertron Signal Generator The Koolertron Signal Generator offers high frequency precision of up to 20ppm x 10 -6 orders of magnitude. Set the "Carrier" level to mid-range. One type of RF signal generator is an analog signal generator (ASG), that creates amplitude modulated (AM), frequency modulated (FM), phase modulation, and pulse modulation signals. Use the headphone jack on your computer or smartphone as the output source from the signal generator. are needed. Keysight offers a wide range of instruments to help you generate the signals required to effectively test your device. RF signal generators are helpful in terms of testing and troubleshooting purposes, especially in the development stages of consumer electronics devices, such as mobile phones. sets the signal generator to the gated trigger mode, which causes the waveform (modulating signal) to repeatedly start and stop in response to an externally . The 2031 RF output can be exactly adjusted from -144 dBm to 13 dBm with a resolution of 0.1 dB. Signal Studio reduces the time you spend on signal generation with Keysight's performance optimized signals and signal creation software. 1HZ-500KHZ DDS Functional Signal Generator, Seesii DDS Function Low Frequency Signal Generator Sine/Triangle/Square/Sawtooth Waveform 222 $29 99 Between $100 and $200 Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz) 817 $100 99 $105.99 Popular modulation formats for vector signal generators are quadrature phase shift keying (QPSK), quadrature amplitude modulation (QAM), and binary phase shift keying (BPSK). This is typically 0dBm and is not a problem. The frequency and amplitude of the sine wave can be set in most CW sources. Although consuming only 16 W of power, they contain the instrument grade performance of large box instruments. Computer programs can be used to generate arbitrary waveforms on a general-purpose computer and output the waveform via an output interface. Audio frequency belongs from 20 Hz to 20kHz. These types include function generators, RF and microwave signal generators, pitch generators, arbitrary waveform generators, digital pattern generators, and frequency generators. This is a Simple IF AM signal generator circuit with, 455kHz output frequency. At the heart of this generator will be the ADF4351 synthesizer chip from Analog Devices. Rohde & Schwarz also provides a line of ultracompact and fast signal generators for automated production tasks, as well as mid-range solutions for multiple use cases. The maximum output power reaches up to 1W at 20GHz carrier, and the dynamic output power range gets 150dB. Such programs may be provided commercially or be freeware. Vector signal generators are commonly used for receiver sensitivity testing. RF and microwave signal generators can be classified further as analog or vector signal generators. In June 1928, the General Radio 403, was the first commercial signal generator ever marketed. Learn more in this brochure. AF Sine and Square Wave Generator Signal generators are great instruments to use for evaluating applications that rely on radio frequencies to operate. Applications include checking frequency response of audio equipment, and many uses in the electronic laboratory. Use the Tone Generator below to listen to the 432Hz . There are a few different types of signal generators. A signal generator is set to 480 MHz, and has an aging rate of 0.155 ppm/year. Selecting the right, reliable instrument for the job can make a difference. RF vector signal generators support both analog and vector modulation on RF carriers for digital communication applications. A signal generator may be as simple as an oscillator with calibrated frequency and amplitude. The signal applied to the control input gives the frequency of the oscillator. Each tutorial in this series, will teach you a specific topic of common measurement applications, by explaining the theory and giving practical examples. They also give the flexibility of testing for real-world impairments and receiver fading. Pulse generator: Pulse generators produce . It has been six months (0.5 year) since the last calibration. The app is easy to use. A wide range of output power is desirable, since different applications require different amounts of signal power. It will do this with 1kHz frequency resolution and adjustable output power levels. Audio-frequency signal generators generate signals in the audio-frequency range and above. To adjust the frequency by 0.01 Hz, press Ctrl + and Ctrl + ; to adjust it by 0.001 Hz, press Ctrl + Shift + and Ctrl + Shift+ To halve/double the frequency (go down/up one octave), click and 2 . signal. A signal generator is an analog or digital type electronic test device that generates accurately standardized signals which have the frequency range from audio to microwave. $148.50. 8.1.1.1 Signal source. It is the wave form with the minor harmonic content and it has got a soft sound. To find technical documents by model, try our, Real-time waveform monitoring, built-in ARB waveform creation, low noise, Low-level Instrument/Sensitive and Specialty Instruments, Need help on product selection? Download Frequency Generator for free. It is based on a low cost (US$10), fully assembled DDS module and will . Need help on product selection? Signal Generator Output Frequency = Frequency - Frequency Offset. It achieves this wide band signal generation by using a phase locked loop (PLL) with a reference oscillator and number of divider circuits. The signal generators are used in designing, repairing of electronic devices, and in troubleshooting. But, in this case, the amplitude of the signal is kept constant with the variation on frequency. Generators of composite video signals (such as NTSC and PAL) will also include a colorburst signal as part of the output. The output signal will be received by a measurement device like a. or logic analyzer, enabling the developer to see whether the expected output was, in fact, received. 5 Top-Rated Signal Generators for your Electronics Lab 1. TSG4100A Series RF Signal Generator offer mid-range RF performance and up to 200MHz super wide modulation bandwidth at an entry-level radio frequency signal generator price. Signal Sources & Conditioning Signal Generators Signal Generators Best Selling Fy6900-60m Function DDS Signal Generator 2 Channel Arbitrary Waveform 60mhz AU (2) AU $195.34 New JDS6600-60M 60MHz DDS Signal Generator 1Hz-100MHz Frequency Color LCD 266MSa/s (4) AU $161.30 New Portable 0 5v 0 10v 4 20ma Generator With LED Display High Precision Z2a8 Tektronix AFG1062 Function Generator (1) 1 product ratings - Tektronix AFG1062 Function Generator. The signal generator program turns the RFzero into a semi-professional GPSDO controlled signal source from 2289 Hz to 290 MHz and beyond. : A signal generator is a vital component in a test setup, and in electronic troubleshooting and development, whether on a service bench or in a research laboratory. An RF signal generator would be ideal but if you cannot access one then you may be able to pick up the local oscillator signal of a shortwave set if you have one, even a portable will do. A general-purpose RF signal generator that is ideal for manufacturing, education, and service maintenance. In automated and production testing, web-browser access, which allows multi-source control, and faster frequency switching speeds improve test times and throughput. Services View services offerings Support A signal generator, when used to test an electronic device, is typically deployed in conjunction with some kind of measurement device. Very useful feature of the RF Signal generator is its modulation capability. RF Signal Generators are characterized by their frequency bands, power capabilities (-100dBc to +25dBc), Single Side Band phase noise at various carrier frequencies, spurs and harmonics, frequency and amplitude switching speeds and modulation capabilities. In addition to the above general-purpose devices, there are several classes of signal generators designed for specific applications. 2019.05.20, How to Minimize Measurement Uncertainty Using RF Signal Generators, Basics of Vector Signal Generators Part 2: Waveform playback mode, Application Notes The 8654A was introduced in the 1972 catalog. The 432Hz Frequency. This tutorial is part of the National Instruments Signal Generator Tutorial series. From the world's only direct synthesis of high-speed serial data waveforms for simplified receiver testing to the world's most versatile arbitrary function generatorfor common stimulus signals to flexible RF signal generators for analog and digital applications, Tektronix has a signal generator to meet any debugging challenge. It also has a 0.01uHz frequency resolution with a minimum amplitude resolution up to 1mV. Frequency stability :- 0.05%. Values range from 1.44 MHz to 32 MHz. XSeries Signal Generators MXG, EXG, and CXG, The pure and precise alternative to the analog PSG, with advantages in size, speed, and cost. The generator outputs a selection of waveforms, with adjustable amplitude, and adjustable frequency within audible hearing range (20Hz to 20kHz). Simple systems use a standard computer sound card as output device, limiting the accuracy of the output waveform and limiting frequency to lie within the audio-frequency band. The Model 845 Microwave RF Signal Generator offers a wide and accurately-leveled output power range with high spurious suppression. is the ideal bus monitoring tool for use with your chosen signal generator. $6.00 shipping. These delivered signals can be modified based on impedance, modulation, frequency, waveform, and output voltage. Product testing and software debugging are two of the biggest challenges that embedded systems engineers face when creating a new product. Purpose A low phase noise output of -137 dBc/Hz at 10 kHz offset from a 1 GHz carrier, a 1 Hz . Vector signal generators offer precise and stable test signals for receiver tests and RF component characterization. Rohde & Schwarz leverages decades of test and measurement excellence to provide you with a wide portfolio of RF vector signal generators. Binary signal generator circuit (150) includes programmable waveform generator (PWG) (155), the input stage (210) with received serial clock signal, Frequency Synchronization and clock signal for receiving digit data stream, for controlling numerical data.PWG includes register (220), and register (220) includes the first and second registers, and being respectively used to storage indicates . These generated signals are used as a stimulus for electronic measurements, typically used in designing, testing, troubleshooting, and repairing electronic or electroacoustic devices, though it often has artistic uses as well. 2020.05.12, Receiver Test: Overcoming Five Fundamental Challenges, Application Notes To change the wave type from a sine wave (pure tone) to a square/triangle/sawtooth wave, click the button. A pitch generator is a type of signal generator optimized for use in audio and acoustics applications. If the device responds as expected, the test was passed. This could include AM, FM, M (phase modulation) and pulse modulation. Block diagram of functions generator. Depending on the manufacturer and model, output powers can range from -135 to +30 dBm. 1996-2022, Amazon.com, Inc. or its affiliates, Siglent Technologies SDG1032X Arbitrary Waveform - Function Generator, Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz), 1HZ-500KHZ DDS Functional Signal Generator, Seesii DDS Function Low Frequency Signal Generator Sine/Triangle/Square/Sawtooth Waveform, Frequency Generator, DROK DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module, Sponsored | Based on star rating and number of customer ratings, Siglent Technologies SDG2042X Arbitrary Waveform Function-Generators, 40 MHz, Grey, Signal Generator, DROK DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator, Nobsound 7.83HZ Schumann Resonance Earth's Brain Waves Ultra-Low Frequency Pulse Generator Relexation Sleep (Wood), White Noise Machine Sleep Helper Sound Relaxation Machine Rekome Sleep Therapy Sound Machine with 9 Unique Natural Sounds, Sleep Disorders Noise Cancelling for Home, Office, Spa, Yoga, Kids, Professional Upgraded DDS Signal Generator Counter, Seesii 60MHz LCD Display High Precision 200MSa/s Dual-Channel Arbitray Waveform Function Generator Frequency Meter, 1HZ-500KHZ FG-100 DDS Functional Signal Generator Frequency Meter Signal Source Module Frequency Counter, ICQUANZX XR2206 High Precision Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Adjustable Frequency Amplitude, allsun 2 in 1 Handheld Digital Storage Oscilloscope Automotive Diagnostic Lab Scope Protable Digital Multimeter Color Screen Scope DMM Meter 2 Channels,25MHz, HiLetgo 2pcs 3 Channel PWM Pulse Generator Signal Generator Module Adjustable Frequency Square Wave Rectangular Wave Signal Generator Duty Cycle with LCD Display 1Hz-150Khz, DC 36V 150MHZ Electromagnetic Pulse Generator EMP Frequency Transmitter US Plug 110220VAC, SeeSii Professional DDS Signal Generator Counter, Koolertron Upgraded DDS Signal Generator Counter, The Best Value in Electronic Test & Measurement, HiLetgo Si5351A I2C 25MHZ I2C High Frequency Signal Generator Breakout Board Square Wave Frequency Generator Signal Generator 8KHz to 160MHz 3-5VDC for Arduino, Portable TinySA Spectrum Analyzer,SEESII Upgraded V0.3.1 Handheld Tiny Frequency Analyzer 100kHz to 960MHz MF/HF/VHF UHF Input,Signal Generator with 2.8 inch Touch Screen with ESD Protect Function. A Keysight test expert describes the fundamentals of signal generators in the white paper, below. Sophisticated pitch generators will also include sweep generators (a function which varies the output frequency over a range, in order to make frequency-domain measurements), multipitch generators (which output several pitches simultaneously, and are used to check for intermodulation distortion and other non-linear effects), and tone bursts (used to measure response to transients). Generic category name for analog and digital electronic signal sources. Set the "Modulation" level to zero. The Model 845 is available in 12, 20, & 26.5 GHz frequencies with a touch screen display. i4cy Signal Generator Frequency Hz Amplitude % 20 - 200 Hz 200 - 2000 Hz 2 - 20 kHz Waveform RF Signal Generator: An RF signal generator, when used for alignment and testing of the RF and IF stages of a TV receiver, permits recording of circuit performance at one frequency at a time. 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