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RF

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Key Features of RF Signal Generators
 
 

Control and Precision

Users can finely tune the signal's frequency, amplitude, and phase. This precise control is crucial for applications requiring detailed signal characteristics.

 
 
 

Modulation Capabilities

RF signal generators can modulate signals in several ways (AM, FM, PM) to simulate different communication scenarios.

 
 
 

Signal Purity

They typically produce signals with low phase noise and high stability, which is essential for accurate testing and measurement.

 

 

Technical specifications of rf signal generator

 

Frequency Range 100 kHz to 2.5 GHz or better
Frequency setting Resolution 0.1 Hz or better
Reference frequency IN & OUT 10MHz, BNC female should be available at rear panel.
Reference Frequency aging

1 ppm/year or better
Minimum output power (>5 MHz) -120 dBm or better
Maximum output power (> 5 MHz) +13 dBm or better
Resolution of level setting +/- 0.1 dB or better
Reverse power protection Min. 2 W in the band of 5 MHz to 1.0 GHz
SSB Phase noise (at 20 KHz offset) -120 dBc/Hz or better @1GHz
Residual FM (0.3 KHz to 3 KHz) Less than or equal to 5 Hz
Residual AM (0.3 KHz to 3 KHz) Less than or equal to 0.02%
Modulations a) AM: Modulation depth 0 to 99% or better
b) FM: Max FM deviation/ (Modulation Depth) 50 KHz or better (for frequency greater than or equal to 30MHz)
Interfaces GPIB (IEEE488), LAN & USB
Connectors a) RF 50 Ohms: N type female (on Front panel)
b) LF: Connector on front or rear panel (Connector type: BNC female or with compatible BNC female adapter)
Power Supply 230V AC±10%, 50Hz±3%.
Warranty Min. 3 years.
Hard Copy of Calibration certificate and user manual are to be provided in English.  
19 inch Rack mount kit along with its accessories to be provided.  
Suitable Power Chord  
SCPI Code Compatibility with Old Agilent, Rohde &Schwarz Signal generators option is required.  
Calibration procedure and maintenance manual to be provided along with the item.  

 

The core components of an RF signal generator

 

Oscillator.

At the heart of any signal generator, the oscillator generates the basic sine wave signal at a specific frequency. An analog oscillator is used in analog generators, while digital and vector generators use a numerically controlled oscillator (NCO) in combination with digital techniques.

01

Frequency Control.

This component allows for fine-tuning of the oscillator's frequency, enabling you to set the desired output frequency. In digital and vector generators, the frequency control is often digitally programmable, providing precise and accurate frequency control.

02

Modulator.

The modulator circuit applies the desired modulation to the generated continuous wave (CW) signal. This component varies depending on the type of modulation supported by the generator, such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM).

03

Digital-to-Analog Converter (DAC).

Primarily found in digital and vector signal generators, the DAC converts the digitally generated electrical waveform into an analog signal. This component plays a critical role in ensuring the accuracy and stability of the generated signals.

04

Output Amplifier and Filter.

The output amplifier boosts the signal to the desired power level while the filter removes any unwanted frequency components, ensuring a clean output signal.

05

 

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Types of RF signal generators

Function Generators: Can create multiple waveforms like sine, square, and triangle waves. Function generators are commonly used in audio applications but not so much in RF applications.
 

Pulse Generators: Designed to produce square waves with quick rise and fall time, making them perfect for testing digital circuits.
 

Sweep Generators: It produces a signal that continuously varies across a range of frequencies and is helpful for testing the frequency response of filters and amplifiers.
 

Vector Signal Generators: These generators are capable of producing complex modulated signals, including QAM, QPSK, and OFDM. They are frequently utilized in wireless communication systems and RF test labs.


Arbitrary Waveform Generators: This generator has the ability to create custom waveforms using equations or algorithms specified by the user. It is frequently utilized in advanced testing such as LTE, 5G, and research and development projects.
 

Video Signal Generators: These signal generators are used to produce video signals essential for testing (synchronization signals) of an older generation of television units.

 

 
 
Applications of Signal Generators
01.

Research and Development

Engineers and scientists use signal generators to simulate conditions and test the performance of various designs and hypotheses.

02.

Manufacturing

Signal generators are used to test electronic devices during manufacturing. They’re particularly useful in ensuring that devices are working as expected and meeting quality standards.

03.

Servicing and Repair

Technicians often use signal generators to troubleshoot and repair electronic equipment. By simulating various signals, they can identify and fix issues with the equipment.

04.

Education

In educational settings, signal generators help students understand the principles of waveforms and electronics. They serve as a practical tool for demonstrating various electronics concepts.

 

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Add items to the shopping cart.
This can be done on the product pages of each product, by clicking the shopping cart symbol. The contents of the shopping cart will be shown in the upper right corner of the screen. The amount of items in the shopping cart can be changed on the details page.
Checkout.
This will show a form that has to be filled with the indicated information. Please make sure to enter a valid email address as this will be used to contact you.
Send order.
This will send the order to the sales department and a copy to the email address that was provided. The sales department will then send a invoice by email including shipping cost and payment methods.
Payment.
Payment can be done in the ways indicated on the invoice. International orders require payment in advance. When the payment has arrived, will ship the product(s).

 

FAQ

Q: What is the RF signal generator?

A: RF is generated by a transmitter and detected by a receiver. The transmitter antenna turns electrical signals into radio waves, giving it the ability to travel long distances. The receiver antenna catches the radio waves and turns them back into electrical signals, which feed into a radio, television, telephone, etc.

Q: What are the basics of signal generator?

A: A signal generator is an electronic device that generates repeating or non-repeating waveforms used to test and evaluate electronic test equipment. It simulates real-world signals and conditions, enabling you to test the performance and behavior of electronic systems.

Q: What is the voltage of an RF generator?

A: Input high voltage - up to 500 V, model dependent.
Input low voltage - 24 V DC.
Output power - 300-1500 W.
Frequencies - 6.78, 13.56, 27.12, 40.68, 81.36 MHz, factory fixed (0.5-4 MHz on request)

Q: Is signal generator AC or DC?

A: Signal generators produce alternating currents (and voltages) or AC and signal generators play the role of batteries for AC circuits. Oscilloscopes are basically voltmeters to measure alternating voltages.

Q: What is the principle of RF generator?

A: Many RF signal generators rely on the electrostriction (or inverse piezoelectricity) property of crystalline quartz as a reference oscillator (also known as an XO) to produce a reference frequency. Its stability will ensure that the frequency output of the source remains accurate between calibrations.

Q: How is RF power generated?

A: The RF amplifier extracts power from high-charge, low- energy electron bunches. The transmission components (couplers, windows, circulators, etc.) convey the RF power from the source to the accelerator, and the accelerating structures use the RF power to accelerate low-charge bunches to high energies.

As one of the leading rf manufacturers and suppliers in China, we warmly welcome you to buy high-grade rf in stock here from our factory. All our products are with high quality and competitive price. For more information, contact us now.

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