TFG3600 Series

Radio frequency signal generator


Adopting DDS and PLL technique, with FPGA and SOPC system, TFG3600 Series synthesized signal generator can measure max 1.5GHz frequency, frequency accuracy up to 1ppm. It is indeed a strong assistant in the areas of education, laboratory, telecommunication and metrology.


Product Model



* Perfect combination of DDS and PLL techniques

* Frequency upper limits to 1.5GHz

* Higher level of frequency accuracy,up to 1ppm

* Complete AM/FM/FSK/PSK modulation function

* Standard communication interface: USB Device, RS-232



TFG3605                       TFG3615                    TFG3610                          
RangeSine1μHz ~ 500MHz         1μHz ~ 1500MHz      1μHz ~ 1000MHz                      
Square1μHz ~ 80MHz
Resolution1μHz  (carrier frequency≤80MHz)
1Hz    (carrier frequency>80MHz)
Accuracy±1ppm, Frequency≥1.0kHz, 18℃ to 28℃
±50ppm, Frequency<1.0kHz, Min. output 1μHz
Sine Output Level
RangeFreq≤500MHz-127dBm ~ +13dBm(-127dBm ~ -117dBm typical)
Freq≤1000MHz-110dBm ~ +13dBm(-100dBm ~ -110dBm typical)
Freq≤1500MHz-105Bm ~ +10dBm(-100dBm ~ -105dBm typical)
AccuracyFreq≤300MHzsetting ±1dBm (output level +13dBm~-100dBm)
Freq≤1500MHzsetting ±2.2dBm (output level +13dBm~-80dBm, setting value±1.5dBm typ. )
setting ±2.7dBm (output level -80dBm~-100dBm, setting value±2.0dBm typ.)
Stationary Wave Ratio (SWR)< 1.8 (output level≤0dBm)
Spectrum Purity
Harmonic< -33dBc (output level≤4dBm,typical value)
Non-Harmonic< -40dBc (output level≤4dBm, deviation CF≥5kHz)
Sub-Harmonic< -40dBc (output level≤4dBm)
Residual FM< 100Hz(BW: 0.3 ~ 3kHz, RMS< 120MHz)
Rise/Fall Time≤15ns
External Modulation Input

Voltage Range: 5V full scale,Input Impedance: 10kΩ,

Frequency: DC to 10kHz

Frequency Sweep
Sweep Rate1ms ~ 800s Linear (carrier ≤80MHz)
100ms ~ 800s Logrithm(carrier ≤80MHz)
Step Time50ms ~ 10s  Linear (carrier>80MHz)
Burst(Carrier Frequency≤80MHz)
Burst Count1 to 10000 cycles
Interval0.1ms to 800s
Range1μHz ~ 10MHz
Accuracy±1ppm, Frequency≥1.0kHz, 18℃ to 28℃
±50ppm, Frequency<1.0kHz, Min. output 1μHz
TypeSine, Square, Ramp, Pulse, Sinc, Exp, Noise, DC
SquareRise/Fall Time≤50ns
Duty Cycle0.01% ~ 99.99%
PulseRise/Fall Time≤50ns
Pulse Width20ns ~ 20s
RampSymmetry0.0% ~ 100.0%
Amplitude1mVpp to 10Vpp(50Ω), 2mVpp to 20Vpp(High Z)
Offset±5Vpk ac+dc(50Ω), ±10Vpk ac+dc(High Z)
Accuracy±(1% of setting + 10mVpp)(1kHz Sine)
Flatness± 0.5dB(1MHz Sine, 1Vpp)
General Characteristics
PowerAC100V~240V, 50/60Hz,50VA Max
Dimension & Weight254×103×374 mm,  4.2 kg

TFG3600 Radio Frequency Signal Generator

A radio frequency signal generator, commonly known as an RF signal generator, is a critical tool in the field of electronics and telecommunications. It is used to generate precise radio frequency signals with various waveforms for testing and calibration purposes. From simple sine waves to complex modulated signals, RF signal generators play a vital role in the development, testing, and verification of electronic systems.

Applications of RF Signal Generators

RF signal generators find applications in various industries and fields, including:

Electronics Testing: Testing and characterizing electronic components, such as amplifiers, filters, and mixers.

Telecommunications: Verifying the performance of communication systems, including mobile networks and wireless devices.

Research and Development: Prototyping and testing RF circuits, conducting experiments, and exploring new designs.

Aerospace and Defense: Evaluating the performance of radar, satellite communication systems, and electronic warfare equipment.

The Technology Behind RF Signal Generators

To understand the technology behind RF signal generators, we need to explore the techniques and components that enable their precise signal generation.

Direct Digital Synthesis (DDS)

DDS is a key technique used in RF signal generators to produce precise waveforms digitally. It involves generating a digital representation of the waveform and converting it to an analog signal using a high-speed digital-to-analog converter (DAC).

Frequency Synthesizers

Frequency synthesizers are crucial components that provide stable and accurate frequency control in RF signal generators. They use phase-locked loops (PLLs) to generate precise frequencies based on the reference clock.

Modulation Techniques

RF signal generators employ various modulation techniques, such as amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM), to create modulated signals for testing communication systems.

Questions & Answer

Q: What is a Radio Frequency Signal Generator?

A: An RF signal generator is an electronic device designed to produce radio frequency signals with specific characteristics. These signals are used in various applications, including testing electronic components, calibrating systems, and evaluating communication devices.

Q: What types of Radio Frequency Signal Generator?

A: RF signal generators come in different types, each catering to specific applications and requirements.

Analog Signal Generators

Analog signal generators produce continuous wave (CW) signals and basic modulated waveforms. They are simple and cost-effective but have limited flexibility in generating complex signals.

Vector Signal Generators (VSG)

Vector signal generators offer more advanced capabilities, enabling the generation of complex modulated signals used in modern communication systems. They can simulate multiple communication standards and are widely used in telecommunications testing.

Arbitrary Waveform Generators (AWG) with RF Output

AWGs with RF output combine the flexibility of arbitrary waveform generators with the capability of generating RF signals. They allow users to create custom waveforms and modulate them to generate complex RF signals.

Q: How do RF Signal Generators Work?

A: RF signal generators typically use direct digital synthesis (DDS) or frequency synthesis techniques to generate precise waveforms. The core components of an RF signal generator include:

Oscillator: The oscillator generates a stable and accurate RF carrier signal. It serves as the starting point for generating different types of modulated signals.

Frequency Control: RF signal generators offer precise frequency control, allowing users to set the desired frequency within a specified range.

Modulation Source: For generating modulated signals, the RF signal generator incorporates modulation sources such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM).

Amplitude Control: The amplitude control feature allows users to adjust the output power level of the generated signal.

Q: Why do I need a signal generator?

A: A signal generator is a useful tool for various applications, including:

Testing and calibrating electronic devices: A signal generator can be used to send a known signal to an electronic device to test its performance or to calibrate it.

Generating reference signals: A signal generator can be used to produce a stable, accurate reference signal for use with other equipment.

Debugging circuits: A signal generator can be used to troubleshoot problems in a circuit by sending known signals and observing the behavior of the circuit.

Research and Development: A signal generator can be used in R&D to generate signals for testing new ideas or technologies.

Transmitting data: A signal generator can be used to transmit data in various applications, such as communication systems or in industrial control systems.

Standard Accessories

power cable:1pcs

BNC Test cable:1pcs
CD   (Software + User's Guide):1pcs

Frequency Counter

(upper limits to 2.5GHz, only for TFG3605)